Science:Grade 4Quarter (1) Revision Sheet(2016/2017)

Multiple ChoicesIdentify the choice that best completes the statement or answers the question.

____ 1. Which adaptation of this mountain lion enables it to catch the deer?

A. thick furB. a long tailC. strong legsD. small ears

____ 2. The animal shown below has webbed feet and a paddle-like tail. Where does this animal most likely live?

A. in a treeB. in the desertC. near a streamD. on the polar ice

____ 3. Which adaptation would you expect in animals that live in caves?

A. very good hearingB. poor hearingC. very good eyesightD. brightly colored full

____ 4. Which adaptation will help the rabbit detect the wolf so that it can escape?

1

A. thick furB. large earsC. cotton tailD. sharp teeth

____ 5. What adaptation keeps the plant below from losing water?

A. long, deep rootsB. flat, waxy leavesC. long, shallow rootsD. bright, colorful flowers

____ 6. In a grassland food chain, grasshoppers eat grass and meerkats eat grasshoppers. What is the main role of the meerkat in this food chain?

A. It provides energy to the grass.B. It obtains energy from the grass.C. It provides energy to grasshoppers.D. It obtains energy from grasshoppers.

____ 7. Mrs. Anticoli’s students are testing conditions for germinating bean seeds. Which is the best way for them to study how the amount of water affects the germination of the bean seeds?

A. give the seeds large amounts of water and watch to see if any of them will germinate

B. give the seeds no water and wait to see if any of the seeds will germinateC. give the seeds different amounts of water and record when each seed germinatesD. give each seed the same amount of water and watch to see which one germinates

first

____ 8. Marshall planted two bean seeds in the same kind of soil. He kept them at equal temperatures and gave them the same amount of water, but exposed them to different amounts of sunlight. What is Marshall trying to demonstrate?

2

A. that plants will grow when wateredB. that soil affects plant growth rateC. that temperature affects plant growth rateD. that sunlight affects plant growth rate

____ 9. The magnolia is a flowering plant. The pine tree is a nonflowering plant. Both trees have similar life cycles. What is the order of events in the life cycles of both plants?

A. seed, pollination, seed dispersal, fertilizationB. pollination, fertilization, seed, seed dispersalC. fertilization, pollination, seed, seed dispersalD. pollination, seed, seed dispersal, fertilization

____ 10. Maya is observing the growth of different bean seedlings. She places each seed on a wet paper towel and seals it in a plastic bag. She puts all the seeds in a warm place to germinate. After they germinate, she places a seed in the refrigerator, one in the middle of the room, and one on top of a hot radiator. Which factor is Maya investigating?

A. the effect of water on plant growthB. the effect of lack of soil on plant growthC. the effect of temperature on plant growthD. the effect of lack of oxygen on plant growth

____ 11. Elijah is preparing for a test on animal life cycles. He needs to remember how some animals go through metamorphosis. Which animal would be an example of an animal that goes through metamorphosis?

A. CoyoteB. sea turtleC. grasshopperD. nurse shark

____ 12. A female manatee usually has only one pup at a time. Which word best describes this part of the life cycle?

A. DeathB. GrowthC. MaturityD. Reproduction

____ 13. A beach mouse and her pups are in a burrow. The pups are small and are still getting milk from their mother. What stage in the life cycle of the pups is this?

A. Birth

3

B. GrowthC. MaturityD. Reproduction

____ 14. An animal’s life cycle includes the stages of birth, growth, maturity, reproduction, and death. Which of the following is an example of maturity?

A. A hognose snake hatches from an egg.B. A bald eagle grows to its full adult size.C. A crocodile lays a clutch of eggs near the banks of a swamp.D. A white-tailed deer’s heart stops beating after living many years.

____ 15. Animals can be born and raised in many ways. Some animals lay eggs, others give birth to live young, and others are born and raised in pouches. Which animal gives birth to live young?

A. AntB. ChipmunkC. BullfrogD. Clownfish

____ 16. While hiking, Lori finds a quail’s nest. She notices that there are eggs in the nest. What is likely to happen next in the life cycle of the quail eggs?

A. FlyingB. GrowingC. HatchingD. Reproducing

____ 17. The bald cypress tree produces seeds that are protected within cones. This tree is found in Florida swamps, where heavy rains create floods. The flood waters spread the cones throughout the swamps. What role do the flood waters play in the life cycle of the bald cypress?

A. PollinationB. FertilizationC. seed dispersalD. removal of dead leaves

____ 18. An empress tree is a flowering plant. This tree’s flowers have blue and violet markings. What is the main role of the colored markings on the flowers?

A. to protect the plant from the sunB. to produce pollen for reproductionC. to attract insects to carry pollenD. to disperse seeds to other parts of the local environment

_ 19. The table lists some features of the green briar vine.

Green Briar Vine PlantFeatureDescription

4

flowersmall, green-whitegrowth patterntall, twiningLeafpointed, shinyStemwoody, with thorns

The life cycle of a green briar vine includes sexual reproduction. Which feature of the plant is used for sexual reproduction?

A. FlowerB. LeafC. growth patternD. stem

____ 20. Millions of honeybees have vanished from their hives throughout the country recently. No one is sure why the bees have disappeared. However, many people are concerned. Why are people concerned about what is happening to the honeybees?

A. Bees help with seed dispersal.B. Bees help protect seeds in nonflowering plants.C. Bees pollinate many flowering plants.D. Bees protect seeds until they start to germinate into seedlings.

____ 21. In a grassland food chain, grasshoppers eat grass. Then meerkats eat grasshoppers. What is the main role of the grasshopper in this food chain?

A. make a new habitatB. be a source of energyC. clear grass for space to liveD. lay eggs to make more grasshoppers

____ 22. Which statement best describes this picture?

A. A population of elephants lives in the savanna.B. A community of elephants lives in the savanna.C. Elephants and grasses make up a savanna population.

____ 23. Which identifies the nonliving parts important in all ecosystems?

A. air, heat, rocks, water, and soilB. air, water, soil, sunlight,trees, and temperature

5

C. grass, temperature, sunlight, heat, and rocksD. water, soil, sunlight, rocks, and sheep

____ 25. Which statement is true about a community?

A. A community is all the same species living in different ecosystems.B. A community is made up of one kind of population living in one place.C. A community is made up of different populations that depend on one another.D. A community is made up of different populations that do not interact with one

another.

____ 26. This picture shows the life cycle of a frog. How does a frog’s niche change when it is fully grown?

A. The frog uses legs to move and live on land.B. The frog uses a tail to move and live on land.C. The frog uses legs to swim and live in water.D. The frog uses a tail to swim and live in water.

____ 27. Ecosystems have producers, consumers, and decomposers. Why are producers important in an ecosystem?

A. They produce food for consumers.B. They break down remains of dead plants.C. They produce food for other producers.D. They consume food for other consumers.

____ 28. Which statement about nonvascular plants is correct?

A. They have roots that take in water.B. They have roots that anchor the plant in the soil.C. They make up the majority of all plants.D. They do not use photosynthesis to make food.

30. Which of the following vegetables is a root?

6

A.

B.

C.

D.____ 31. Which part of a vascular plant produces food through photosynthesis?

A. FlowerB. RootC. VeinsD. Leaves

____ 32. The picture shows the steps that happen during photosynthesis.

What is happening at Step 4 in the picture?

A. Sugar is entering the leaf, and water vapor is exiting.B. Carbon dioxide is entering the leaf, and water vapor and oxygen are exiting.C. Carbon dioxide and chlorophyll are entering the leaf, and oxygen is exiting.D. Water vapor and chlorophyll are entering the leaf, and carbon dioxide is exiting.

____ 33. Which part of a vascular plant anchors the plant in the ground?

A. StemB. RootC. VeinsD. Leaves

7

____ 34. Len has two green plants. He keeps one on a sunny windowsill. He keeps the other one in a shady part of the same room. He gives both plants the same amount of water. What will happen to the two plants?

A. The plant in the sun will grow faster.B. The plant in the sun will die.C. The plant in the shade will grow faster.D. The plant in the shade will die.

Complete the following statements:

1. The process by which plants make their own food ………………………………

2. Plants with tubes that move water, minerals and sugar are called

………………………………

3. The substance in leaves that capture sunlight is called ………………………………

4. Mosses are examples of ……………………………… plants

5. When a sperm joins an egg, ……………………………… process takes place.

6. When the seed sprouts, it ………………………………

7. The underside of the fern leaves has ………………………………

8. From the pollinators ……………………………… and ………………………………

9. Animals that have a larva stage and a pupa stage goes under

……………………………… metamorphosis.

10. The type of behavior that the animal do without learning ………………………………

11. The woodpecker would be the best for picking ……………………………… out of

wood

12. A rain forest is an ………………………………

13. A lion is a ………………………………

14. Bacteria are ………………………………

15. Sunlight + ……………………………… + ……………………………… Sugar

+ ………………………………

8

Choose:

1- An ostrich has long, strong leg ( physical adaptation – behavioral adaptation)

2- A male penguins huddle together to stay worm ( physical adaptation –

behavioral adaptation)

3- A monkey is ( producer – decomposer – consumer)

4- When a sperm joins an egg ( Fertilization – Pollination – Germination)

5- From pollinators ( Snail – Butterfly – plant )

6- Some seeds are covered in little hooks are called ( Burs – fruit – cone)

7- The name of the male part in the flower is ( pistil – petal – stamen )

8- Butterflies go through ( Complete metamorphosis- incomplete

metamorphosis)

Short answersCompare between vascular and non vascular plants.…………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………List three ways a seed forming plant can be pollinated………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………

Compare between pollination and fertilization………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………

9

Compare between complete metamorphosis and incompletemetamorphosis………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………Monkey lives in the forest, what physical adaptations does it have that

help it to survive in this environment?………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………A penguin lives in arctic polar environment, What physical adaptations

does it have that help it to survive in this environment?………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………Write the four non- livings things in the ecosystem……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………

10