8th Physical Science GA Milestones Review

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

Moisture that collects on the outside of a cold glass results from the process of: evaporation, condensation, sublimation, vaporization

Back

condensation

Front

Why does a hot air balloon rise?

Back

molecules move faster and farther apart when heated

Front

How do the solid, liquid, and gaseous states of water differ from each other?

Back

The average speed of movement of the individual molecules.

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

Front

Which symbolizes a molecule of a compound? Options: He, Be, N2, NaCi

Back

NaCi

Front

When is a different chemical substance formed?

Back

Candle burns

Front

What is carbon dioxide CO2?

Back

a compound

Front

A chemical change combining two elements results in...

Back

a compound

Front

All plant and animal life on Earth contains what element?

Back

carbon