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Gr 4 Science Chapter 4 Lesson 3

Total questions: 10

Worksheet time: 3hrs 30mins

Name
Class
Date
1.

Which word means: a diagram that shows the amount of energy that flows from producers to consumers?

a)

food pyramid

b)

food web

c)

food chain

d)

McDonalds

2.

Which word means: a system of overlapping food chains in which the flow of energy branches out in many directions?

a)

Energy Pyramid

b)

Food Web

c)

Food Chain

d)

Grocery Stores

3.

Which word means: a transfer of energy from one organism to another by eating and being eaten?

a)

energy pyramid

b)

food web

c)

food chain

d)

let's eat some meat

4.

Producers and consumers are only eaten by one kind of organism in an ecosystem.

a)

True

b)

False

5.

A food chain always begins with WATER.

a)

TRUE

b)

FALSE

6.

Which order correctly describes how energy flows in an ecosystem?

a)

Sun--->Producers--->Consumers

b)

Producers --->Sun--->Consumers

c)

Consumers --->Producers--->Sun

d)

Producers --->Consumers--->Sun

7.

Which of the following is an example of a predator and its prey?

a)

mushroom & carrots

b)

owl & mouse

c)

tree & owl

d)

house cat & dog

8.

What is passed along when animals eat plants?

a)

energy

b)

chlorophyll

c)

fiber

d)

photosynthesis

9.

Would a mouse still be able to get food if all the insects in an ecosystem were gone?

a)

No, without insects the ecosystem would not survive

b)

No, insects are a vital part of the ecosystem

c)

Yes, the mouse could still get food from plants.

d)

Yes, the insects would come back to life.

10.

How might a forest fire affect the mountain lion population? SELECT TWO

a)

The mountain lions could die in the fire if they can't escape.

b)

The mountain lions would run away and never return.

c)

It wouldn't affect them at all. They would be just fine.

d)

The mountain lions could warm up.