Name _____________________________________________________________

A Miss is as Good as

1.61 Kilometers!

(Worksheets)

[1]

Metric Unit Objectives At the end of this unit, the student will:

Explain the metric system. Identify which metric units are used to measure length, area, mass, volume,

and temperature. Select the appropriate metric unit for a given problem.

State of Utah Intended Learning Objectives covered in this Unit 1. Use Basic Science Process Skills

a. Make observations and measurements (uses instruments as appropriate).

5. Understand Science Concepts, Principles, and Systems

a. Know science terminology appropriate to grade level.

6. Communicate Effectively Using Science Language and Reasoning

a. Use the language and concepts of science as a means of thinking and communicating.

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Metric Unit Prefixes

Prefix Means kilo Base Unit * 1000

hecto* Base Unit * 100 deka* Base Unit * 10 deci* Base Unit * .1 centi Base Unit * .01 milli Base Unit * .001

*these prefixes are seldom used

Pre-Lesson • ENGAGE • Explore • Explain • Evaluate • Extend

Name: Date: .

NESPA Lesson Two SW EG-2007-02-202-ARC 5

Minimum and Maximum Values

Imagine you are in Chicago in January. During one day, you check the outside temperature each hour between 7am and 7pm.

The temperature readings in degrees Fahrenheit are:

6º, 5º, 7º, 10º, 11º, 11º, 14º, 16º, 18º, 20º, 16º, 12º, 10º

1. What is the minimum (least) temperature reading? Why?

minimum reading: º

2. What is the maximum (greatest) temperature reading? Why?

maximum reading: º

3. Based on the minimum and maximum temperatures, write a number interval that contains all of the temperature readings.

≤ x ≤

4. Create a number line showing your interval of values. Remember to label your line in uniform (equal) segments.

PRE-LESSON • Engage • Explore • Explain • Evaluate • Extend

NESPA Lesson One SW 4 EG-2007-01-202-ARC

Name: Date:

Math Review: Converting Units

Length Volume Mass

1 kilometer = 1,000 meters 1 gallon ! 3.78 liters 1 pound ! 454 grams

1 meter = 100 centimeters 1 gallon = 4 quarts 1 kilogram = 1,000 grams

1 centimeter = 10 millimeters 1 quart ! 0.95 liter 1 gram = 100 centigrams

1 mile = 5,280 feet 1 liter = 1,000 milliliters 1 centigram = 10 milligrams

1 yard = 3 feet 1 pint = 0.5 quart

1 meter ! 3.28 feet 1 pint = 16 fluid ounces

1 foot = 12 inches

1 inch ! 2.54 centimeters

Directions: Use the table of relationships above to solve practice problems 1-5

below. You may use additional paper for doing calculations.

1. Yna bought 3 gallons of milk at the store. How many liters did she buy? liters

2. Jamal caught a pass and ran 57 yards to make a touchdown.

How many feet did he run? feet 3. A car weighs 850 pounds. How much does it weigh in kilograms? (Hint: change pounds to grams, then change grams to kilograms) kilograms 4. Jessica runs the 100-meter dash at the track meet.

How many feet does she run? feet 5. Bonus: Juan and his family traveled 339 miles from San Jose to Los Angeles.

How many kilometers did they travel? kilometers

Pre-Lesson • ENGAGE • Explore • Explain • Evaluate • Extend

NESPA Lesson One SW 5 EG-2007-01-202-ARC

Name: Date: ______________

Unit Conversion: Building the Concept

1. Looking at the picture of the ruler marked with inches and centimeters, we see that there are approximately 2.54 centimeters in 1 inch. Write this in the spaces below.

1 inch ! ___.___ ___ centimeters

2. Now that you know there are approximately 2.54 centimeters in one inch, use this information to solve the problems below. There are many ways to find the answers. For example, you may use a ruler, or draw a picture, or add, multiply, or divide. Show your work, and then discuss your method (or strategy) with the class.

Solve Show your method (strategy).

5 inches ! ________ centimeters

10 inches ! ________ centimeters

________ inches ! 15 centimeters

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Little Millie Metric When making measurements, it is important to use the correct metric unit. Read the story below and fill in the blanks with the right unit. Choose the unit from the following list. Each unit will be used only once.

It was a beautiful day. The temperature was a mild (temperature) 27 _____________. Little Millie Metric was packing a lunch basket to take to Grandma's house. She carefully poured (volume) 500 _____________ of homemade lemonade into a bottle, which she put in the basket. Then she placed (mass) 0.5 ___________ of cheese, (mass) 200 ________________ of roast beef and several large chocolate chip cookies in the basket. She strapped the basket on the back of her moped and took a quick check of the gas tank. There were several (volume) _____________________ of gasoline left. After traveling a little more than 5 (distance) ____________________, Millie discovered she had lost her way. At the next corner she spotted a very hairy character leaning against a lamppost. He looked to be only (height) 1.5 ______________ tall. He had a wolfish grin and dark piercing eyes. He introduced himself as Mr. W and offered to help Millie. Mr. W's directions turned out to be the long way to Grandma's house. So Millie arrived an hour late. She let herself in ad found Grandma in bed. Grandma did not look well. Had she always been so hairy? And those ears! "My goodness," Millie gasped, "what big ears you have, Grandma-and least (length) 15 _____________." to which Grandma replied, "The better to hear you, my dear." Then Millie spotted the teeth. "My, Grandma, what big teeth you have--longer than (length) 25 _____________________.' This last observation made Grandma very angry. She jumped out of bed and snarled, "The better to eat you!" Now Millie realized that this was not Grandma, but the hairy Mr. W! Unfortunately for Mr. W, Millie held a black belt in karate. In just a few seconds, she took care of him. Millie found grandma in the closet. When they finally sat down to eat lunch, Millie couldn't help thinking that maybe next time she'd just have lunch delivered.

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The Metric System In science, the Metric System (grams, meters, etc.) is used instead of the English System (feet, ounces, miles, etc.). For most objects, we can measure its volume, length, and mass. Below are the units we use to measure these. They are called “base units.” Base Units

Liters: Volume (how much space something takes up)

Meters: Length (how long something is) Grams: Mass (amount of matter in an object; how much it weighs) Directions: Write the base unit you would use to measure the following objects: Example: meter The length of your skis. ____________ The volume of Dr. Pepper in a can. ____________ The mass of the contents in a cereal box. ____________ The length of a soccer field. ____________ The mass of the moon. ____________ The height of a ladder. ____________ The volume of gasoline in a container. Now, for the cool part! In the metric system, it’s really easy to change the name for small measurements to big measurements (or the other way around) simply by adding a prefix. Prefixes: Kilo – 1,000 times the base unit. Hecto – 100 times the base unit. Deka – 10 times the base unit.

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Deci – 1/10 of the base unit. Centi – 1/100 of the base unit. Milli – 1/1,000 of the base unit. Directions: Change the following names by adding the appropriate prefix.

Example – 100 grams is called a hectogram. 100 meters is called a ______________. 1,000 meters is called a ______________. 1/1,000 of a gram is called a ______________. 10 liters is called a ______________. 1/10 of a gram is called a ______________. 1,000 meters is called a ______________. 1/1,000 of a meter is called a ______________. 1/100 of a meter is called a ______________. 1/10 of a liter is called a ______________. 10 meters is called a ______________. Would you use centimeters of meters for the following lengths and heights? Write centimeters or meter near each length. Example: The length of your nose – centimeters. Your height

The height of a tree

The length of a swimming pool

The length of a table

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The distance between the floor and ceiling

Measurement Activity

millimeters (10mm per/cm) Directions: Get a ruler and measure using the appropriate length. You may work with one partner for this activity. Round your numbers to the nearest 0.5 cm or mm. Be careful with your units! 1. The length of your left shoe (cm): _______________ 2. The length of one of YOUR hairs (mm): _______________ 3. The length of one of your PARTNER’S hair (mm): _______________ 4. The width of a door (cm): _______________ 5. The distance from your partner’s elbow to the end of his/her pinky finger (cm): _______________ 6. The distance from YOUR elbow to the end of your pinky finger (cm): _______________ 7. The length of one of your partner’s eyebrows (mm): _______________ 8. The length of your partner’s nose (mm): _______________ 9. The width of YOUR thumbnail (mm): _______________ 10. The length of the pen or pencil YOU are writing with (cm): _______________ 11. The width of YOUR smile (cm): _______________

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12. The width of your partner’s smile (cm): _______________ 13. How tall YOU are (cm): _______________ 14. Your partner’s height (cm): _______________

Treasure Hunt Congratulations! The fact your have opened these sealed orders indicate that you have arrived at your destination, “Safe Landing.” Be careful,

however, for the most difficult part of your journey remains! Use the following directions to locate the treasure you have been sent to find. Measure carefully! A very small error can cause you to miss the pirate’s treasure! 1. Starting from Safe Landing, draw a line 6 cm towards Crocodile Swamp and make a dot. 2. From that dot, draw a line 3 cm towards Vampire’s Cave and make another dot. 3. 12 cm towards Sailor’s Tree (make a dot after each measurement).

4. 55 mm towards Sand Dune Beach. 5. 30 mm towards Pirate’s Cove. 6. 4 cm towards Shark Tooth Rock. 7. 1 dm (10 centimeters) towards Ship Wreck Reef. 8. 6 cm towards Shark Tooth Rock.

9. 20 mm towards Light House Bay. 10. Make an “X” to make the location where you believe the treasure is. Check your measurements to make sure you are looking for the treasure in the right location! Have your teacher check your location to see if you have found the treasure. The center of your “X” MUST be within 1 cm of the treasure for you to have found it.

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[12]

The Metric Map Use your centimeter ruler to find distances between cities. The map scale is 1 cm = 200 km. On the map, the distance between Portland Oregon and Helena, Montana is 4 cm. Since 1 cm = 200 km, 4 cm = 800 km. The distance between Portland and Helena is 800 km. Round the distance you measure to the nearest .5 cm. Find the distances between the following cities in kilometers: 1. Chicago, Illinois and ST. Louis, Missouri - __________ km 2. New York, New York and Raleigh, North Carolina - __________ km 3. Memphis, Tennessee and Little Rock, Arkansas - __________ km 4. Milwaukee, Wisconsin and Miami, Florida - __________ km 5. Salt Lake City, Utah and Las Vegas, Nevada - __________ km 6. Buffalo, New York and Dodge City, Kansas - __________ km 7. Pittsburgh, Pennsylvania and New York, New York - __________ km 8. Dodge City, Kansas and Albany, New York - __________ km 9. Helena, Montana and Reno, Nevada - __________ km 10. Montreal, Canada and Miami, Florida - __________ km 11. Seattle, Washington and Omaha, Nebraska - __________ km 12. San Francisco, California and San Diego, California - __________ km 13. Los Angeles, California and Topeka, Kansas - __________ km 14. Dallas, Texas and Jackson, Mississippi - __________ km 15. New Orleans, Louisiana and Casper, Wyoming - __________ km

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16. Denver, Colorado and El Paso, Texas - __________ km 17. Toronto, Canada and Tulsa, Oklahoma - __________ km 18. Washington, DC and Salt Lake City, Utah - __________ km 19. Mobile, Alabama and Los Angeles, California - __________ km 20. Portland, Oregon and Tulsa, Oklahoma - __________ km

[14]

[15]

Abbreviations of Metric Units

Gram g Kilogram kg Meter m

Kilometer km Centimeter cm Millimeter mm

Liter L Kiloliter kL Milliliter mL

Cubic Kilometer/Meter/

Centimeter/Millimeter

km3,m3, cm3, mm3

Conversion of Metric Units

Prefix Means kilo Base Unit * 1000

hecto* Base Unit * 100 deka* Base Unit * 10 deci* Base Unit * .1 centi Base Unit * .01 milli Base Unit * .001

*these prefixes are seldom used

[16]

Length Lab (from The Science Spot)

1. What does each unit represent? (a) mm = ________________________ (b) m = ________________________ (c) cm = _________________________ (d) km = ________________________ 2. How much does each one equal? (a) 1 m = _______ cm (b) 1 cm = _______ mm (c) 1 km = _______ m 3. Which measurement is the largest? Circle your answer for each pair. (a) 14 mm or 1 cm (d) 145 m or 145 km (b) 334 m or 1 km (e) 3.4 cm or 30 mm (c) 1 m or 990 cm (f) 10 km or 1000 cm 4. Use a metric ruler or meter stick to find each measurement.

(a) Length of the line in centimeters ______ (b) Length of the line to the nearest centimeter _______

(c) Height of the rectangle to the nearest millimeter _______ (d) Width of the rectangle to the nearest millimeter _______ Hint: If it says “nearest”, you need to round your answer so you don’t have a decimal point. If not, you should have one decimal point in your answer.

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(e) Radius of the circle to the nearest millimeter _______ (f) Diameter of the circle in centimeters ________ (g) Diameter of the circle to the nearest centimeter _______ Hint: If it says “nearest”, you need to round your answer so you don’t have a decimal point. If not, you should have one decimal point in your answer.

(h) Volume of the box in cubic centimeters

________ x ________ x ________ = _________ (Measure to the nearest centimeter before multiplying.)

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5. Find the length of an unsharpened pencil (including eraser) in millimeters. ________ 6. What is your height in centimeters? ________ What is your height in meters? _______ 7. Use your shoe and a metric ruler to complete this section. Keep your shoes on for this one! (a) What is the length of your shoe to the nearest centimeter? ________ (b) How many shoes would it take (heel to toe) to make 1 meter? _______ (c) How many shoes would it take to make 1 kilometer? ________ 8. Use ten pennies and a metric ruler to complete this section. (a) How tall is a stack of ten pennies in centimeters? _______ (b) How tall would a stack of 100 pennies be in centimeters? ________ (c) How tall would a stack of 1000 pennies be in centimeters? _______ 9. Circle the BEST metric unit for each. (a) The length of an eyelash mm cm m km (b) The height of a flagpole mm cm m km (c) The length of a strand of spaghetti mm cm m km (d) The distance from Chicago, IL, to Peoria, IL. mm cm m km

Smile Metric Style Materials Ruler Yarn Smiles

Procedures 1. Take a piece of yarn and measure your partner's smile straight across from corner to corner.

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2. Keep your fingers on the yarn as you transfer the yarn to the ruler. 3. Record measurements. 4. Throw yarn away. Data

Table 1: Smile Length

cm mm My Smile

Partner’s Smile Ask six other students to let you measure their smiles. Record the information in the table below:

Table 2: Six Student’s Smile Length

cm mm Student 1 Student 2 Student 3 Student 4 Student 5 Student 6

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Table 3: Summary of Data

Number of Students

Largest Smile

Smallest Smile

Total Length of Smiles

Average Length of Smiles

Volume Lab Part A: Count your drops! Take a guess - How many drops of water will it take to equal 1 milliliter? _______ drops Follow the directions to find the number of drops in 1 milliliter of water, and then answer the questions. You will need a small graduated cylinder (25 ml), a beaker of water, and an eyedropper for this section. (1) Fill a small graduated cylinder with 10 ml of water. (2) Count the number of drops it takes to raise the water to 11 ml. Record the number in the chart. (3) Leave the water in the graduated cylinder and count the number of drops it takes to raise the water to 12 ml. Record the number in the chart. (4) Leave the water in the graduated cylinder and count the number of drops it takes to raise the water to 13 ml. Record the number in the chart. (5) Calculate your average and round to the nearest tenth.

Based on your average, how close were you to your guess? ____________

Based on your average, how many drops would it take to make 1 liter? (1,000 mL) _________

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Part B: Water Displacement Follow the directions to find the volume of three marbles using water displacement. (1) Add 20 ml of water to a 100 ml graduated cylinder. Record this amount in the chart. (2) Add three marbles to the cylinder and measure the volume. Record this amount in the chart. (3) Find the difference between the two measurements and record in the chart. The difference between the two measurements will be the volume of the three marbles.

Part C: Volume by Formula Use the formula to find the volume of the box. Measure to the nearest centimeter (no decimals) before calculating your answer.

Volume = length x width x height __________ x __________ x

__________ = _______

Part D: Color Challenge Materials

Three beakers with colored water- 25 ml of each color (red, blue, and yellow)

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Graduated cylinder Pipette Six test tubes labeled A, B, C, D, E, and F

Procedure Perform each step outlined below using accurate measurements. (1) Measure 17 ml of RED water from the beaker and pour into test tube A. (2) Measure 21 ml of YELLOW water from the beaker and pour into test tube C. (3) Measure 22 ml of BLUE water from the beaker and pour into test tube E. (4) Measure 5 ml of water from test tube A and pour it into test tube B. (5) Measure 6 ml of water from test tube C and pour it into test tube D. (6) Measure 8 ml of water from test tube E and pour it into test tube F. (7) Measure 5 ml of water from test tube C and pour it into test tube B. (8) Measure 2 ml of water from test tube A and pour it into test tube F. (9) Measure 4 ml of water from test tube E and pour it into test tube D. 2. Complete the chart.

[23]

Metric Conversion: Ladder Method (from http://www.nwr1biology.com & The Science Spot)

Prefix Means kilo Base Unit * 1000

hecto* Base Unit * 100 deka* Base Unit * 10 deci* Base Unit * .1 centi Base Unit * .01 milli Base Unit * .001

*these prefixes are seldom used

Base Units will include the gram (g), liter (L), and meter (m) and will have no prefix.

The Metric System of measurement is based on multiples of 10. Prefixes are used to indicate what multiple of 10 the base unit is being multiplied by.

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Using the Ladder Method

Try these conversions, using the ladder method. 1000 mg = _______ g 1 L = _______ mL 160 cm = _______ mm 14 km = _______ m 109 g = _______ kg 250 m = _______ km Compare using <, >, or =. 56 cm 6 m 7 g 698 mg Write the correct abbreviation for each metric unit. 1) Kilogram _____ 4) Milliliter _____ 7) Kilometer _____ 2) Meter _____ 5) Millimeter _____ 8) Centimeter _____ 3) Gram _____ 6) Liter _____ 9) Milligram _____

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Try these conversions, using the ladder method. 10) 2000 mg = _______ g 15) 5 L = _______ mL 20) 16 cm = _______ mm 11) 104 km = _______ m 16) 198 g = _______ kg 21) 2500 m = _______ km 12) 480 cm = _____ m 17) 75 mL = _____ L 22) 65 g = _____ mg 13) 5.6 kg = _____ g 18) 50 cm = _____ m 23) 6.3 cm = _____ mm 14) 8 mm = _____ cm 19) 5.6 m = _____ cm 24) 120 mg = _____ g Compare using <, >, or =. 25) 63 cm 6 m 27) 5 g 508 mg 29) 1,500 mL 1.5 L 26) 536 cm 53.6 dm 28) 43 mg 5 g 30) 3.6 m 36 cm

Metric Mania ~ Survey Modified from a worksheet by T. Trimpe 2000 http://sciencespot.net/

Length 1. What is the basic unit for length? ______________ 2. Circle the best unit for measuring each distance: a. Thickness of an eyelash: mm cm m b. Length of a pencil: cm m km 3. Use a meter stick or metric ruler to find each measurement. a. Width of this page ____________ mm or ____________ cm b. Length of an unsharpened pencil _____________cm 4. Convert the following measurements: a. 34 mm = _______ cm b. 3 km = _______ m c. 234 cm = _______ m d. 35 m = _______ mm

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Mass 5. What is the basic unit for mass? ______________ 6. Circle the best unit for measuring each mass: a. Amount of spices in a batch of cookies: mg g kg b. Your mass: mg g kg c. Mass of 10 pennies: mg g kg 7. Use a triple-beam balance to find each measurement. a. Mass of an ink pen __________ g b. Mass of a can of soda __________ g 8. Convert the following measurements: a. 16 mg = _______ g b. 4.7 kg = _______ g c. 12,345 g = _______ kg d. 2 g = _______ mg Volume 9. What is the basic unit for volume? _______________ 10. Circle the best unit for measuring each volume: a. Amount of soda in one can: mL L b. Water in a bathtub: mL L 11. Determine the volume for each object. a. Use L x W x H to find the volume of a chalkboard eraser ___________ cm b. Use water displacement to find the volume of four marbles ____________ mL or ___________ cm3 12. Convert the following measurements: a. 160 mL = _______ L b. 23 kL = _______ L c. 456 cL = _______ mL d. 120 mL = _______ cm3

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Metric Measurement Mega Quiz 1. What unit is used to measure mass or weight? ___________________________________ 2. What instrument is used to measure milliliters? __________________________________ 3. Which prefix means 1/100 of the base unit? ____________________________________ 4. What unit would you use to measure the volume of gold in a barrel? ___________________ 5. Which prefix means 1,000 times the base unit? _________________________________ 6. What unit would you use to measure the amount of soda in a small bottle? _______________________ 7. What unit is used to measure volume? ________________________________________ 8. What instrument is used to find the length of something? _________________________ 9. What is the abbreviation for milliliters? ______________________________________ 10. What unit would you used to measure the amount of blood in your veins? ______________ 11. Which prefix means 1/10 of the base unit? ____________________________________ 12. What unit is abbreviated mg? _____________________________________________ 13. What unit would you use to measure the distance from here to Salt Lake? _______________________ 14. The formula L x W x H measures this _______________________________________ 15. This unit measures how much something weighs. ________________________________ 16. What does the prefix “milli-“ mean? _________________________________________ 17. This is the best unit for measuring the height of a building. _______________________ 18. This is the best unit for measuring the length of a book. _________________________