Science 7 Final Review

What is the basic building block of all matter?

• cells

• molecules

• atoms

• compounds

Salt, water, and sugar are all examples of...

• compounds

• mixtures

• molecules

• elements

Tags

NGSS.MS-PS1-1

The periodic table is sorted into categories such as...

• solids, liquids and gases

• matter, compounds and mixtures

• metals, non-metals and metalloids

What state of matter has the greatest attractive force?

• solid

• liquid

• gas

What state of matter has the least attractive force?

• solid

• liquid

• gas

Which activity involves only a physical change?

• ripping paper

• fizzing baking soda with vinegar

• acid bubbling on rock

• iron rusting

As water is cooled, the motion of the water molecules will generally...

• decrease

• increase

• remain the same

Tags

NGSS.MS-PS1-4

Hydrogen and oxygen are classified as...

• minerals

• organisms

• elements

• energy

How can you increase the rate at which salt dissolves in water?

• increase temperature

• decrease temperature

• add more water

• add more salt

Acceleration is...

• the rate of change in velocity

• how fast something speeds up

• the change in speed

• the change in displacement