NC EOG Physical Science Review

Which of the following is an example of a physical change?

• Burning wood

• Melting ice

• Rusting iron

• Baking a cake

What force pulls objects toward the center of the Earth?

• Magnetism

• Gravity

• Friction

• Electricity

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Which term describes the amount of matter in an object?

• Volume

• Mass

• Density

• Temperature

Which of the following best describes friction?

• A force that pushes objects together

• A force that pulls objects apart

• A force that slows down moving objects

• A force that speeds up moving objects

Drag and drop: Match each process to the correct type of change. 1. Melting butter 2. Burning paper 3. Dissolving sugar in water 4. Rusting nail

• 1-Physical, 2-Chemical, 3-Physical, 4-Chemical

• 1-Chemical, 2-Physical, 3-Chemical, 4-Physical

• 1-Physical, 2-Physical, 3-Chemical, 4-Chemical

• 1-Chemical, 2-Chemical, 3-Physical, 4-Physical

Tags

NGSS.MS-PS1-4

A student mixes vinegar and baking soda in a beaker. Bubbles form and the mixture fizzes. What does this most likely show?

• A new substance is formed

• The substances are unchanged

• Only a physical change occurred

• The temperature decreased

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A ball is rolling on the floor and eventually stops. Which force is mainly responsible for stopping the ball?

• Gravity

• Friction

• Magnetism

• Air pressure

A student heats a metal rod and observes that it becomes easier to bend. What does this show about the effect of heating on materials?

• Heating always makes materials harder

• Heating can change the properties of materials

• Heating has no effect on materials

• Heating makes all materials melt

Tags

NGSS.MS-PS1-4

A toy car moves faster when pushed with more force. Which statement best explains this observation?

• The car’s mass increases

• The car’s speed increases with more force

• The car’s direction changes

• The car’s friction decreases

Tags

NGSS.MS-PS2-2

A student places a metal spoon in hot soup. After a few minutes, the handle of the spoon feels warm. What is the best explanation for this?

• The spoon is melting

• Heat is transferred from the soup to the spoon

• The soup is cooling down

• The spoon is losing mass

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4