November 05, 2018

Heat Transfer & States of Matter (Pre-Test)

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Heat Transfer & States of Matter (Pre-Test)

Day 1

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States of MatterDay 2

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*What are the states of matter?

Essential Question:

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Matter

Matter is anything that has mass and takes up space.

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*Matter is anything that has mass and takes up space.

Key Words: MATTER = ANYTHING THAT TAKES UP SPACE

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How do you Define MatterMatter is Defined by it's properties. The properties of matter are, mass, volume, weight, and density. Mass is the amount of matter in an object. Volume is how much space an object takes up. Weight is the force of gravity on an object, and density is how heavy or light something is for its size.

*Mass: amount of matter in an object*Volume: How much space an object takes up*Weight: the force of gravity*Density: How heavy or light something is for its size

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What are the States of MatterThere are three states of matter. Solids, Liquids, and Gases.

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SOLIDSIn order for an object to be classified as a solid it must possess these properties. Solids must retain their shape, have the same volume regardless of the container, and can not be poured.

*Retain their shape*Constant volume*Can not be poured

Key Words: SOLID = FIRM & STABLE

NOTES:

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LIQUIDSIn order for an object to be classified as a liquid it must possess these properties. Liquids take the shape of their container, do not have a definite volume, and can be poured.

*Take shape of container*No definite volume*Can be poured

Key Words: LIQUID = FLUID

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GASESIn order for an object to be classified as a gas it must possess these properties. Gases fill the volume of their containers, can be poured, and do not have a fixed volume.

*Fill the volume of their container*No fixed volume*Can be poured

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States of MatterDay 3

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*What are physical changes?

Essential Question:

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Physical ChangeA physical change is when matter changes in size, shape, or state without changing it's identity.

*Physical change is when matter changes size, shape, or state without changing it's identity

Key Words: PHYSICAL CHANGE = CHANGE IN SIZE, SHAPE, or STATE

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Examples of a Physical ChangeExamples of a Physical Change:

-Melted-Frozen-Condensed-Evaporated-Crushed-Cut-When Salt or Sugar are dissolved in water

*Physical Changes can usually be reversed.

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Can objects change their state?Yes, objects can change their state of matter by adding or removing heat.

*Can change their state by adding of removing heat*Add Heat:

*Cool:

SOLID LIQUID GAS

GAS LIQUID SOLID

NOTES:

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So Lets check out some different experiments?

Quicksand....A solid or a liquid?

Instant Ice

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What happens to the weight if an object changes.

If an object changes it state or breaks apart, the weight of the object does not change, which means the weight stays the same. So, let's look at an example.

Shrinking Styrofoam Cup

Even though the styrofoam cup shrunk in size it's weight did not change. The pressure compressed the tiny air pockets within the cup reducing it's size.

*If an object changes state:*Weight DOES NOT change

EXAMPLE:

NOTES:

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What happens when objects are heated and cooled?

When the temperature of a material increases the particles move faster and expand or spread out. When the temperature of a material decreases the particles move slower and contract or shrink.

Examples:

*Increase in temp. particles expand or spread out*Decease in temp. particles contract or shrink*Water Expands when frozen

Key Words: EXPAND = SPREAD OUT CONTRACT = SHRINK

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Day 4

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*What are chemical changes?

Essential Question:

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What is a Chemical ChangeA chemical change is a change that results in the formation of a new substance. There are two parts to a chemical change. You have the reactant and you have the product. The reactant is the original substance. The product is the new substance. Some everyday examples are; Rust, Tarnish, Baking a Cake, and Engines.

*Chemical Change is a change that results in a new substance being formed*Reactant: Original substance*Product: New substance*Usually Cannot be Reversed*Examples:- Rust- Tarnish- Baking a cake- Engines (Cars and Rockets)Key Words: CHEMICAL CHANGE = CREATES SOMETHING NEW

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How Do You Know A Chemical Change Has Occurred

A Chemical Change has occurred when you see one of these signs. There will be a color change, gas or bubbles will be produced, or you will see light or it will give off heat.

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Color ChangeNOTES:

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Formation of a GasNOTES:

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Formation of Light or HeatNOTES:

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So Let's Recap What We've Learned...

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Next week we will be doing some science experiments. So, before we begin we need to talk about how to set up notebook.

Experiments

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How To Set Up Your Notebook

TITLE ?????????????Directions: 1. Write ____________ at the top of the page

2. Glue down your lab sheet

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Now let's go through what you'll do for each part of the lab report.

Experiments

What do you think will happen

Write down the steps of the experiment

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Describe What you SAW

Take your observations and create a conclusion....

What Happened? Why?

Was your hypothesis correct?

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WHAT DID YOU LEARN...... What did you find interesting? What was your favorite part?

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Here are some other examples!

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