8th grade Georgia Milestones practice test

Front

Which statement about molecules in ice and the molecules in water is? Options: The molecules in ice have more energy than the molecules in liquid water, The molecules in ice contain different atoms than the molecules in liquid water, The molecules in ice have more electric charge than the molecules in liquid water, The molecules in ice are less free to move than the molecules in liquid water

Back

The molecules in ice are less free to move than the molecules in liquid water

Front

Which of the following is a compound? Oxygen, Water, Nitrogen, Air

Back

Water

Front

Which of the following is a mixture? Oxygen, Water, Nitrogen, Air

Back

Air

Front

Which symbol represents carbon? Options: Ca, N, K, C

Back

C

Front

Evidence of a chemical change would be a: melting popsicle, spinning top, spilled bucket of water, rusting car fender

Back

rusting car fender

Front

How does moisture that collect on the outside of a cold glass?

Back

condensation

Front

Why does a hot air balloon rise?

Back

molecules in the balloon move faster and farther apart when heated (Less Dense than the outside air)

Front

The solid, liquid, and gaseous states of water differ from each other in

Back

the average speed of movement of the individual molecules

Front

The solid, liquid, and gaseous states of water differ from each other in that

Back

Solids and Liquids of the same substance are more densely packed than the gaseous state of matter.

Front

Compare and contrast mixtures and compounds. Which statement is true about mixtures and compounds?

Back

Mixtures contain two or more elements physically combined and compounds contain two or more elements chemically combined.