G3 - Science Revision

8/8/2019 G3 - Science Revision

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Assessment Book Chapter 1 Test 1

Chapter 1 Test

Read each question and choose the best answer.Then fill in the circle next to the correct answer.

Choose the word that belongs in the sentence.

have long narrow leaves and do not have woodystems.

Trees

Grasses

Flowers

Evergreens

What kind of tree grows cones to make seeds? spring

summer

deciduous

coniferous

Choose the word that belongs in the sentence.

Tubes that carry water and minerals from the roots toother parts of the plant are in the .

leaf

stem

thorn

flower

What structures help keep a cactus from losing too muchwater?

tubers

thorns

woody stems

stems with a thick, waxy covering

Name



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2 Chapter 1 Test Assessment Book

Name Chapter 1 Test

Which seed part stores food for the seed?

the fruit

the flower

the seed leaf

the seed coat

In the forest, Jan picked burs off her pants and droppedthem. What did she do by dropping burs?

She pollinated a plant.

She did nothing important.

She left food for the forest animals.

She helped to scatter a plant’s seeds.

Look at the illustration below.

What is the bee doing to the flower?

pollinating it

eating its fruit

germinating it

scattering its seeds



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Name Chapter 1 Test

Many plants that lived long ago are extinct. How doscientists know about these plants?

They grow plant fossils.

They found plant fossils. They grow plants like them in space.

They found living plants that are like them.

Look at the object shown in the illustration below.

How was this object formed? A plant grew in rock.

A plant was pressed into a rock.

A plant grew in wood. The wood became rock.

A plant was pressed into mud. The mud became rock.

µ Scientists have learned many interesting things about

plants that lived long ago. What is one difference betweenearly plants and those of today?

Early plants had more fruit.

Early plants had more seeds.

Early plants did not have leaves.

Early plants did not have flowers.



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Name Chapter 1 Test

¸ When a seed starts to grow into a new plant, what is itdoing?

pollinating

germinating growing leaves

creating seedlings

Write the answers to the questions on the lines.

¹ How do plants get food? (2 points)

How do plants get water? (2 points)

Write the answer to the question on a separate sheet of paper.

Jacob knows that the different parts of a plant help theplant to live and grow. He decides to put two of the sametype of plant in his garden. Both plants get the same

amount of water. Jacob covers one plant with a cardboardbox. Soon the covered plant appears weak and unhealthy.

Explain why covering the plant with the box prevents itfrom growing.(4 points)



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Chapter 2 Test


What do sea jellies, earthworms, and spiders have in

common? They all have eight legs.

They all have stinging body parts.

They are all animals with backbones.

They are all animals without backbones.

A pelican’s bill has a pouch that hangs from it. How does

this adaptation help it survive? It helps the bird catch fish.

It helps the bird store water.

It helps the bird attack other animals.

It helps the bird balance itself when it walks.

Complete the sentence.

Body parts, such as webbed feet, are inherited, or

learned.

never changed.

passed on from parents to offspring.

not adapted to different environments.

Complete the sentence.

An instinct is a behavior that animals

copy.

are born to do.

teach each other.

must learn so they can survive.

Name



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Name Chapter 2 Test

Which sentence is true?

Chimpanzees cannot learn from other chimpanzees.

Chimpanzees have trouble adapting to new

environments. Chimpanzees are born already knowing how to use

sticks to capture insects to eat.

Chimpanzees watch other chimpanzees to learn how touse sticks to capture insects to eat.

Look at the illustration below. Think about the life cycle of

a monarch butterfly.

What do we usually call a butterfly when it is a larva?

egg

pupa

chrysalis

caterpillar

Egg Larva Pupa Adult



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Name Chapter 2 Test

Which kind of animal usually develops inside its mother?

bird

insect

mammal

amphibian

Chris finds something that looks like a rock. It is hardand yellow. A dead insect is inside it. What did Chris mostlikely find?

a trilobite

a fossil cast

a fossil mold

a piece of amber

Look at the illustration below of a T. rex. Think about thetraits of this dinosaur and the traits of living animals.

What modern-day animal looks like the dinosaur above?

deer

lizard

spider

elephant



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Name Chapter 2 Test

µ A walking stick looks like a real twig. What type of adaptation does a walking stick use for protection?

armor

poison mimicry

camouflage


¸ Amphibians spend part of their lives in water and part on

land. Name two members of this group. (2 points)

¹ What are the four things all animals need to live?(2 points)


Long ago, the Badlands of South Dakota were hot and wet.Today the Badlands are dry.

Explain how this change in habitat might harm animals.(4 points)



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Chapter 3 Test


Plants get energy to make food from which of the

following? water

climate

sunlight

nutrients

Which word best completes the sentence?

Sunlight, water, soil, and climate are the parts of an ecosystem.

living

growing

nonliving

interacting

Read the paragraph below about a chaparral community.Then answer the question.

Each part of a chaparral community affects the other parts.With a lot of rain, more plants grow in the chaparral.Many animals eat these plants. With much food, thenumber of animals increases. In dry years, fewer plantsgrow. With less food, the number of animals decreases.

What happens to the number of animals in years whenthere is little rain?

The number increases.

The number decreases.

The number does not change.

The number decreases and then it increases.

Name



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Name Chapter 3 Test

Grasshoppers and bison live in which type of ecosystem?

desert

tundra

grasslands

tropical forest

What is the biggest difference between a desert and atropical forest?

how cold each gets

how warm each gets

how much life each has

how much rain each gets

In which ecosystem would you find wolves, caribou, brownbears, and eagles?

desert

prairie

tundra

tropical forest

Oak, maple, and beech trees drop their leaves in the fall.In which ecosystem are they found?

tundra

tropical forest

deciduous forest

coniferous forest



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Name Chapter 3 Test

Choose the best word to complete the sentence.Lakes, ponds, rivers, and streams are examples of ecosystems.

dry wetland

saltwater

freshwater

Read the chart. Use what you learn to answer the question.

Water Ecosystems

Type of Water Examples of Plantsand Animals

Saltwater Corals, sea dragons, cuttlefish,clams, crabs, algae, otters, seals,shrimp, whales, starfish

Freshwater Manatees, bass, cormorants,alligators, red mangrove trees,grasses, bears

Where Freshwaterand Saltwater Meet

Fish, crabs

In which type of water would a whale live?

saltwater

freshwater

in any kind of water ecosystem

where freshwater and saltwater meet



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Name Chapter 3 Test


µ Why does a tundra have few trees? (2 points)

¸ What are two ways plants in an animal’s habitat helpmeet its needs? (2 points)


¹ Look at the illustration below.

Explain ways the coastal redwood trees depend on thenonliving parts of this ecosystem. (4 points)



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Chapter 4 Test


What is the main reason prairie dogs live together?

for protection

to move faster

for appearance

to raise their young together

Which word best completes the sentence?The population of lemmings changes when the amountof in their environment changes.

habitats

resources

food chains

competition

Which word best completes the sentence?A is a living thing that breaks down wasteand things that have died.

predator

producer

consumer

decomposer

Small trees trying to get the same resources as taller trees isan example of which of the following?

producers

consumers

interaction

competition

Name



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Name Chapter 4 Test

Look at the chart below. Think about how each livingthing gets the energy it needs to live.

sunlight cattail crayfish raccoon

Which term describes the food-getting interactions amongthe living things in this chart?

food web

producers

food chain

consumers

In which part of the digestive system does most digestionhappen?

mouth

stomach

large intestine

small intestine

When plants burn, they can turn to ash. How does the ashleft by a fire affect other plants?

It has no effect.

It helps plants grow.

It stops plants from growing.

It prevents new plants from growing.



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Name Chapter 4 Test

Look at the illustration below. It shows a place that wasonce dry.

How did a beaver’s dam change the environment?

There is more grass.

There are more fish.

There are fewer trees.

There are more flowers.

Choose the term that belongs in the sentence.keeps a person’s heart, lungs, and muscles strong.

Sitting

Exercise

Clean air

Sugary food

µ What is one way to stop the spread of germs? Never go outside.

Always wear a jacket.

Wash your hands often.

Never go outside when it is cold.

Beaver’s dam



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Name Chapter 4 Test


¸ People obtain the things they need to live from theenvironment. What do people need to survive? (2 points)

¹ Look at the illustration. Explain how yucca moths andyucca plants help each other. (2 points)


In a food web, prairie dogs eat grass. Ferrets eat the prairiedogs. Golden eagles eat prairie dogs and mice. Badgers eatthe ferrets. Ranchers brought cattle into the food web andremoved many prairie dogs. How did the ranchers’ actionsaffect the other animals?(4 points)



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Chapter 5 Test


What makes up two-thirds of your body?

skin

water

oxygen

muscles

Choose the term that belongs in the sentence.People use the power of moving water to make .

electricity

generators

wind power

solar power

About how much of Earth’s surface is covered with water?

10% 25%

67%

75%

What is water that seeps down and collects in undergroundspaces called?

saltwater well water

water vapor

groundwater

Name



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Name Chapter 5 Test

Why are wetlands an important environmental resource?

They help to flood dry areas.

They are homes for many animals.

They decrease the water vapor supply.

They decrease the groundwater supply.

What process occurs when water changes to a gas?

melting

evaporation

precipitation condensation

At what temperature does water freeze solid?

0°C

10°C

32°C

100°C

During the water cycle, what generally happens to thewater after evaporation?

It falls to Earth as precipitation.

It condenses and forms a cloud.

It evaporates until it is entirely gone.

It seeps into Earth as groundwater.



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Name Chapter 5 Test


What will happen to the water in the plastic bottle whenit freezes?

It will expand.

It will contract.

It will evaporate.

It will remain the same.

µ What kind of water is found in the air? saltwater

well water

water vapor

groundwater

¸ Choose the words that complete the sentence.

Some of the chemicals that are added to water at a water-treatment area .

kill germs

remove dirt

harm your teeth

turn water into water vapor



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Name Chapter 5 Test

Write the answer to the question on the lines.

¹ Why must water that people use be clean? Give tworeasons. (2 points)



Part A Label the three arrows on the picture identifyingprecipitation, evaporation, and condensation.

Part B Describe what occurs during precipitation,evaporation, and condensation. (4 points)



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Assessment Book Unit A Test 17

Unit A TestName


Plants need leaves to

shade the plant from the Sun.

make sugar as food for the plant.

take in water for the plant to live.

make carbon dioxide for us to breathe.

What plant part takes water and minerals from the soil,holds the plant in its place, and stores food?

seeds

leaves

root system

stem system


What kind of tree does the picture show?

grassy

coniferous

evergreen

deciduous

Name



Unit A Test

18 Unit A Test Assessment Book

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Name

A pika is a vertebrate animal that has hair, breathesair through its lungs, and feeds milk to its young. Whatanimal group does a pika belong to?

fish birds

reptiles

mammals

A bear does not have to learn how to hibernate. Knowinghow to hibernate is

an instinct. an adaptation.

a practiced skill.

a previously learned trait.

How does a mammal usually develop?

as a larva

as a tadpole

inside its mother

inside a chrysalis

If a habitat does not have the right kind of food for acertain kind of animal, what is most likely to happen?

The animal will change its diet.

The animal will bring its own food.

The animal will move to a new habitat.

The animal will have its young there but not live there.



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Assessment Book Unit A Test 19

Unit A TestName

Grasshoppers eat grass. Which ecosystem is best for grasshoppers?

forest

desert tundra

prairie

A bass lives among the weeds of lakes and streams. Whichwater ecosystem is best for a bass?

pond

saltwater

freshwater

where freshwater and saltwater mix

µ Look at the illustration below.

How do prairie dogs interact with their group?

They hunt for food together.

They run away from the group.

They prefer to live away from the group.

They stand watch and warn the group of danger.



Unit A Test

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Name

¸ Living things that eat plants and animals are called

producers.

carnivores.

omnivores.

herbivores.


¹ List the following plants and animals in the order thatthey would be in a food chain: ferret, prairie dog, bobcat,

grass (2 points)

A tree in a forest fell to the ground and started decaying.Why is it a good idea to leave the tree there and notremove it? (2 points)

Write your answers to the question on a separate sheet of paper.

Several of your classmates have the flu. Some stay home.Some come to school.

Explain which is the better thing to do and why. Alsoname something you can do to stop the spread of germs.(4 points)

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G3 - Science Revision