Free Printable Review 9/30/22

Worksheets

Review 9/30/22

Total questions: 20

Worksheet time: 16mins

Name

Class

Date

What is Dependent VARIABLE?

Variables that remain constant

A variable that is changed in an investigation.

A variable that is observed in an investigation.

This variable in an experiment is the one being deliberately changed by the scientist.

dependent variable

independent variable

data

control group

A custodian notices some dirty tables and wants to know which cleaner is the best to use. He tests three different cleaners and looks at how well they clean compared to tap water. What is the independent variable?

type of cleaner

tap water

type of cleaner

tap water

What statement is true?

Mass never changes. Weight does.

Weight never changes. Mass does.

Both mass and weight change because they are affected by gravity.

Neither mass nor weight change. They are always the same.

Volume is

the amount of space an object takes up.

the amount of matter in an object.

the distance from one point to another.

the amount of heat in a substance.

What two types of measurements make up DENSITY?

Mass and Volume

Temperature and Mass

Grams and Centimeters

Volume and Weight

Look at this image. Which object has the LOWEST density in water? How?

The Ping Pong Ball because it floats to the top

The bolt because it has sunk to the bottom

The soda cap because it is not just full of air like the Ping Pong ball

Jack has a rock. The rock has a mass of 14g and a volume of 2cm³. What is the density of the rock?

7 mL

7 g/cm³

28 g/cm³

1/7 g/cm³

10.

Put the liquids in order from most dense to least dense?

4, 3, 2, 1

1, 2, 3, 4

3, 4, 2, 1,

4, 3, 1, 2

11.

Which property of air did the ballons on the balance scale prove?

air takes up space

air can be compressed

air has mass

air is a fluid

12.

If I place a crumpled up piece of paper in a glass and place it upside down in a bowl of water, what happens?

It will get wet

It will stay dry

It will float

It will sink

13.

What 2 gasses make up 99% of the air we breathe?

Oxygen & Methane

Nitrogen & Methane

Nitrogen & Oxygen

Methane & Krypton

14.

TRUE or FALSE: Air pressure is created by the column of air pushing down on us.

TRUE

FALSE

15.

What happens to air pressure as you move upward into the atmosphere?

increases

decreases

stays the same

16.

A device that is used to measure atmospheric pressure is a ___________.

barometer

thermometer

kilometer

micrometer

17.

Air pressure is greater _______.

at the top of the mountain

at the bottom of the mountain

at the center of the mountain

18.

Density of air is greater ________.

at the top of the mountain

at the bottom of the mountain

at the center of the mountain

19.

What is altitude?

how much something weighs

the distance above sea level

how big something is

how far away something is

20.

78% of earth's atmosphere is composed of ______________.

methane

oxygen

argon

nitrogen

Reset

Review 9/30/22

Total questions: 20

Worksheet time: 16mins

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