Quiz about 3rd Grade Science Practice Questions

Question 1

Has a definite shape, mass, and volume

Accepted Answer

solid

Answer

matter

Answer

gas

Answer

liquid

Question 2

Has a definite mass and volume, but not a definite shape

Accepted Answer

liquid

Answer

gas

Answer

ice

Answer

solid

Question 3

Has neither a definite shape or volume

Accepted Answer

gas

Answer

liquid

Answer

solid

Answer

water

Question 4

How many states of matter are there?

Accepted Answer

3

Answer

1

Answer

10

Answer

2

Question 5

Liquids take the shape of their

Accepted Answer

container

Answer

mass

Answer

matter

Answer

water

Question 6

All matter is made up of very tiny particles called

Accepted Answer

atoms

Answer

air

Answer

matter

Answer

particles

Question 7

What state of matter is this

Accepted Answer

gas

Answer

liquid

Answer

solid

Question 8

What state of matter is this

Accepted Answer

solid

Answer

liquid

Answer

gas

Question 9

What state of matter is this

Accepted Answer

liquid

Answer

solid

Answer

gas

Question 10

What state of matter is this (inside)

Accepted Answer

gas

Answer

liquid

Answer

solid

Question 11

What makes vertebrates different from invertebrates?

Accepted Answer

Only vertebrates have a skeleton,which includes a spine.

Answer

Only vertebrates can live on land,in water, or in the air

Answer

Vertebrates are living things,but invertebrates are non living things

Question 12

Which of these is not a kind of vertebrate?

Accepted Answer

Insect

Answer

Amphibian

Answer

Fish

Answer

Reptile

Question 13

Which statement is true?

Accepted Answer

All vertebrates have backbones

Answer

All animals are vertebrates.

Answer

No vertebrates have backbones.

Answer

All vertebrates are animals.

Question 14

What is a drought?

Accepted Answer

A long period of time with very little rain

Answer

Having the perfect amount of living things in an environment

Answer

A long period of time with lots of rain.

Answer

Having too many animals and plants living in an environment

Question 15

Why is a drought harmful to living things?

Accepted Answer

It can cause plants to die

Answer

It helps plants to grow quickly

Answer

It helps animals to find more food

Question 16

How are fires harmful to an environment?

Accepted Answer

It destroys living things

Answer

It opens space for new plants to get sunlight

Answer

Allows plants to reproduce or grow.

Answer

The ashes provide nutrients to the soil.

Question 17

Why is having a balance between living things important?

Accepted Answer

There is just enough of each kind of living thing

Answer

Plants will overpopulate when there are more animals in the environment

Answer

Animals will survive when there are too little of plants to eat

Question 18

What is the effect of too many animals on an environment?

Accepted Answer

There are fewer plants for the animals to eat

Answer

There are more plants for the animals to eat

Answer

Animals will be happier to have more animals in their tribe

Question 19

A living thing.

Accepted Answer

organism

Answer

oxygen

Answer

environment

Answer

cell

Question 20

The process through which plants make food.

Accepted Answer

photosynthesis

Answer

reproduce

Answer

energy

Answer

food

Question 21

To make more of one's kind. (baby)

Accepted Answer

reproduce

Answer

oxygen

Answer

structure

Answer

organism

Question 22

A gas that plants use to make food.

Accepted Answer

carbon dioxide

Answer

oxygen

Question 23

Mammals have all of these characteristics EXCEPT....

Accepted Answer

They lay eggs.

Answer

They have live babies.

Answer

They have hair or fur.

Answer

They feed their babies with milk.

Question 24

How would you classify an alligator?

Accepted Answer

reptile

Answer

amphibian

Answer

mammal

Question 25

Which animal is NOT a mammal?

Accepted Answer

snake

Answer

Horse

Answer

polar bear

Answer

monkey

Question 26

Can a plant grow in the dark?

Accepted Answer

no

Answer

yes

Question 27

What does electricity do for us?

Accepted Answer

All of the above

Answer

It can heat things up.

Answer

It can make light or sound.

Answer

It can make things move.

Question 28

TRUE or FALSE: A battery has electricity.

Accepted Answer

TRUE

Answer

FALSE

Question 29

This type of energy collects sunlight to produce electricity. What is this energy?

Accepted Answer

Solar energy.

Answer

Nuclear energy.

Answer

Thermoelectric energy.

Answer

Hydroelectric energy.

Question 30

Which of the following is a property of sound?

Accepted Answer

Pitch

Answer

Color

Answer

Hardness

Answer

Sharpness

Question 31

What must change to get a higher pitch?

Accepted Answer

Raise the frequency

Answer

Raise the volume

Answer

Lower the frequency

Answer

Lower the volume

Question 32

If the pitch is low, the wave frequency is?

Accepted Answer

Low

Answer

Loud

Answer

High

Answer

Soft

Question 33

Which place could you not hear sound?

Accepted Answer

Space

Answer

Underwater

Answer

In a cave

Answer

In the space shuttle

Question 34

Which of the following can sound travel through?

Accepted Answer

Solid, Liquid, Gas

Answer

Liquid, Solid, Space

Answer

Gas, Space, Liquid

Answer

Space, Solid, Gas

Question 35

Which of the following types of energy travel in the form of waves away from a vibrating object?

Accepted Answer

Sound

Answer

X-Rays

Answer

Light

Answer

Microwaves

Question 36

What is sound?

Accepted Answer

A wave of energy that travels in space

Answer

Work

Answer

Matter

Answer

A wave of energy that has to travel in a medium

Question 37

If a tree falls in the woods, does it make a sound?

Accepted Answer

Yes, because sound has a medium to move through.

Answer

No, because no one hears it.

Answer

No, because sound has no medium to move through

Answer

Yes, because there is sound whenever something happens.

Question 38

In a piano, there are short and long strings. The short strings have a high frequency. How does that change the pitch?

Accepted Answer

The pitch gets higher

Answer

The pitch lowers

Answer

The pitch gets louder

Answer

The pitch gets softer

Question 39

What does vibrate mean?

Accepted Answer

to move back and forth quickly

Answer

to listen carefully

Answer

to be easily damaged by sound

Answer

to create a loud sound

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