Question 1

Matter is anything that has mass and

Accepted Answer

takes up space

Answer

holds water or air

Answer

is not broken

Answer

is alive

Question 2

You are making a solution when you mix

Accepted Answer

liquid soap and water

Answer

fruit in a salad

Answer

macaroni and cheese

Answer

sugar and cinnamon

Question 3

Which of these units in NOT used to measure length?

Accepted Answer

cubic meter

Answer

kilometer

Answer

millimeter

Answer

meter

Question 4

The prefix kilo-means

Accepted Answer

one thousand

Answer

one hundred

Answer

ten

Answer

one

Question 5

How many milligrams equal one gram?

Accepted Answer

1,000

Answer

10

Answer

100

Answer

1

Question 6

Which of these is an example of a physical change?

Accepted Answer

water boiling

Answer

wood burning

Answer

start to boil

Answer

metal rusting

Question 7

When a liquid is cooled to its freezing point, the tiny particles of matter that make up the liquid

Accepted Answer

come closer together

Answer

escape into the air

Answer

move faster

Answer

form bubbles

Question 8

A chemical change always results in a

Accepted Answer

different kind of matter

Answer

change in size

Answer

decrease in temperature

Answer

loss of matter and energy

Question 9

If two liquids of different densities are placed in a container, the liquid with the greater density will

Accepted Answer

sink to the bottom

Answer

gain energy

Answer

rise to the top

Answer

start to boil

Question 10

The amount of material that an object contains is its

Accepted Answer

mass

Answer

solution

Answer

matter

Answer

volume

Question 11

A force causes an object to

Accepted Answer

change its motion

Answer

fall down

Answer

do work

Answer

stop moving

Question 12

the force that pulls any two objects towards each other is

Accepted Answer

gravity

Answer

potential energy

Answer

inertia

Answer

kinetic energy

Question 13

The force that slows down moving objects is

Accepted Answer

friction

Answer

inertia

Answer

gravity

Answer

work

Question 14

The child who has the most potential energy is the one who

Accepted Answer

is sitting at the top of a slide

Answer

is riding a bicycle

Answer

has just kicked a soccer ball

Answer

has just begun to swing

Question 15

Which of the following uses chemical energy?

Accepted Answer

battery powered car

Answer

windup toy

Answer

television

Answer

rubber-band racing car

Question 16

You are doing work when you

Accepted Answer

carry the laundry downstairs

Answer

watch TV

Answer

watch a science experiment

Answer

try to move a large rock

Question 17

A nail is an example of a

Accepted Answer

wedge

Answer

fulcrum

Answer

complex machine

Answer

pulley

Question 18

Which simple machine would you use to move a heavy box up a ramp?

Accepted Answer

inclined plane

Answer

wedge

Answer

lever

Answer

wheel and axle

Question 19

A compound machine is something that contains

Accepted Answer

more than one simple machine

Answer

more than one wheel

Answer

ropes and pulleys

Answer

an electrical socket or battery

Question 20

When a person starts to  move, potential energy changes to

Accepted Answer

kinetic energy

Answer

friction

Answer

chemical energy

Answer

work

Question 21

Explorers map the ocean floor using a sounding devices

Accepted Answer

sonar

Answer

radar

Answer

a bathysphere

Answer

telephone

Question 22

Ocean currents flowing from the North and South Poles

Accepted Answer

carry cold water

Answer

travel slowly

Answer

carry warm water

Answer

travel very fast

Question 23

The Gulf Stream flows from

Accepted Answer

the United States to Europe

Answer

Europe to Canada

Answer

the poles to the United States

Answer

the Gulf of Mexico to Africa

Question 24

Most places along the ocean have tides

Accepted Answer

twice a day

Answer

twice a week

Answer

once a week

Answer

once a day

Question 25

All of these cause waves EXCEPT

Accepted Answer

temperature

Answer

earthquakes

Answer

tides

Answer

wind

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