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SCIENCE YEAR 3

Total questions: 55

Worksheet time: 36mins

Name
Class
Date
1.

Eating egg provide ...................... for my growth.

a)

protein

b)

fibre

c)

carbohydrate

2.

Rice classified as.................

a)

fats

b)

sugars

c)

carbohydrates

3.

Potatoes provide me

a)

fibre

b)

protein

c)

carbohydrate

4.

The food above is classified as

a)

protein

b)

fats

c)

carbohydrate

d)

vitamins

5.
1. A student uses a mirror and a flashlight. What type of energy is the student exploring?
a)
light energy
b)
sound energy
c)
electrical energy
d)
mechanical energy
6.
2. There are many sources of heat in our homes.  Which one is the BEST example of heat energy?
a)
stove
b)
can opener
c)
blender
d)
refrigerated air
7.
The type of energy that moves objects is...
a)
Thermal Energy
b)
Sound Energy
c)
Mechanical Energy
8.
The music that  high school band plays at the football games is a form of what energy?
a)
light energy
b)
heat energy
c)
thermal energy
d)
sound energy
9.
All forms of energy can be described as which two types of energy?
a)
mechanical and kinetic
b)
sound and thermal
c)
kinetic and potential
10.
Many common devices use a plug and a socket.  What kind of energy are they using?
a)
Heat/Thermal
b)
Light
c)
Electrical
d)
Mechanical
11.
What is energy?
a)
The ability to do work or cause change
b)
The rate at which work is done
c)
The rate at which energy is transferred 
12.
1. What is the ability to do work?
a)
Energy
b)
Kinetic energy
c)
Potential energy
d)
Energy forms
13.

What is NOT a form of energy?

a)

light

b)

sound

c)

electrical

d)

plastic

14.

What form of energy is used when someone plugs in a tv into an outlet to work?

a)

sound

b)

electrical

c)

heat

d)

light

15.

Choose the right answer

a)

Light bulb.

b)

Battery.

c)

Switch.

d)

Wire.

16.

Choose the right answer

a)

Switch.

b)

Battery.

c)

Wire.

d)

Light bulb.

17.

Can the electricity go through ?

a)

Yes.

b)

No, because it is open.

c)

Yes, because it is closed.

18.

What is potential energy?

a)

moving energy

b)

stored energy

c)

renewable energy

d)

non renewable energy

19.

Why is a battery important in an electrical circuit?

a)

As a source of energy.

b)

As a path for electricity to flow through.

c)

As a connector to connect all parts of a circuit.

20.

The flow of electric charge in a circuit is called _______.

a)

Heat

b)

Sound

c)

Electric Current

d)

Magnetic

21.

The source of energy needed to move the windmills is ____

a)

The sun

b)

Wind

c)

Air

d)

Batteries

22.

Kinetic energy is _____

a)

Produced when an object vibrates

b)

The energy due to the movement of an object

c)

The energy stored in substances such as food and fuels

d)

Produced by luminous objects

23.

Fisherman need kinetic energy for ____

a)

Moving the boat

b)

Drying rice

c)

Catch fish

d)

Drying salted fish

24.

The picture is an example of ____energy

a)

Kinetic

b)

Light

c)

Heat

d)

Sound

25.

Energy giving foods are-

a)

Carbohydrates

b)

Proteins

c)

Fats

d)

Minerals

e)

Vitamins

26.

Protective foods are-

a)

Fats

b)

Vitamins

c)

Minerals

d)

NOTHING

27.

Energy storing foods are-

a)

Proteins

b)

Minerals

c)

All of the above

d)

None of the above

28.

Wheat, Rice, Potatoes, Sugar, Breads, Butter are which type of nutrient.

a)

Proteins

b)

Vitamins

c)

Minerals

d)

Carbohydrates

29.

Eggs, Pulses, Milk, Curd, Paneer, Meat, Fish, Cheese are which kind of nutrients.

a)

Protein

b)

Minerals

c)

Fats

d)

Energy storing foods

30.

Ghee,Butter, Oil, are which type of nutrients.

a)

Proteins

b)

Protective foods

c)

Energy storage foods

d)

Fats

31.

Proteins are also called --------------------------------- foods

(a)  

32.

Just like fish, birds are reproduced by ... .

a)

giving birth

b)

birth

c)

have baby

d)

laying eggs

33.

Female mammals produce... .

a)

tea

b)

coffee

c)

water

d)

milk

34.
Plants need sunlight to ________.
a)
breathe
b)
keep the plant warm
c)
make food for the plant
d)
plants do not need sunlight
35.

Animals, Plants, Fungi, and Bacteria are examples of...

a)

Food

b)

Toys

c)

Living Things

d)

Non-living things

36.
__________ pollution is when unwanted chemicals, gasses, and particles enter the air and the atmosphere causing harm to animals and damaging the natural cycles of the Earth.
a)
air
b)
water
c)
land
37.
I can cut down on pollution by_____
a)
Walking to the store
b)
Driving to the store
c)
Throwing everything away
38.
What could happen if people threw their trash into a stream?
a)
The animals would live longer
b)
Animals would drink all of the water
c)
The environment would not be affected
d)
Animals would not have clean water to drink
39.
Which is NOT a harmful change?
a)
pollute the water
b)
cut down trees
c)
plant flowers
d)
pollute the air
40.
The car is creating ____________________.
a)
air pollution
b)
land pollution
c)
water pollution
d)
an oil spill
41.
The types of pollution are...
a)
local, state, and federal
b)
landfills and recycling centers
c)
plastic, paper, and metal
d)
air, land, and water
42.
The types of pollution are...
a)
local, state, and federal
b)
landfills and recycling centers
c)
plastic, paper, and metal
d)
air, land, and water
43.

What do you call one attempt to preserve or protect an environment from harmful changes?

a)

nutrients

b)

soil

c)

conservation

d)

lawns

44.

Which of these help plants grow?

a)

Water, air, soil, sunlight

b)

water, bicycles, soil, animals

c)

hamburgers, water, sunlight, soil

d)

crops, webs, water, meat

45.

Which one of these natural resources is found underground?

a)

dirt

b)

coal

c)

wind

d)

grass

46.

What is a nonrenewable resource?

a)

A resource that could be replaced

b)

A resource that is made of plastic

c)

A resource that cannot be replaced once it is used up

d)

A resource that cannot break

47.
Which of the following is NOT a fossil fuel?
a)
coal
b)
minerals
c)
natural gas
d)
oil
48.
Which of the following resources is collected by the panels on the roof of his home?
a)
air
b)
water
c)
wind
d)
sunlight
49.
Rocks that are made from bits of rock that have been pressed together under water are called:
a)
Metamorphic
b)
Igneous
c)
Sedementary
d)
Moonstone
50.
Rocks that have been changed into a different kind of rock from heat, time and pressure are called:                                                                                                                                                                  
a)
Metamophic
b)
Igneous
c)
Sedementary
d)
Rocky
51.

What are the 3 major types of rocks?

a)

Igneous, Metamorphic, Sedimentary

b)

Metamorphic, Igneous, Dragonglass

c)

Brown, Red, Grey

d)

Streak, Hardness, Breakage

52.
This rock was formed by smaller pieces of rock that settled at the bottom of a lake millions of years ago. What type of rock is this?
a)
Sedimentary
b)
Igneous
c)
Metamorphic
53.

Hot, molten rock inside the earth is called ...

a)

lava

b)

magma

c)

igneous rock

d)

minerals

54.

A person who studies the properties of rocks to tell how the rocks may have been formed are ____________.

a)

mineralists

b)

geologists

c)

rock stars

d)

rockologists

55.

How do people use rocks?

a)

for building materials, cleaning, making glass and decorating

b)

for building and decorating

c)

for cleaning

d)

to play rock, paper,scissors

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