Physical Properties of Matter Review

Front

What is a producer in an ecosystem?

Back

A producer is an organism that can make its own food, typically through photosynthesis, such as plants and algae.

Front

What can scientists learn from an animal's teeth?

Back

Scientists can determine what kind of food the animal ate when it was alive by examining its teeth.

Front

What is condensation?

Back

Condensation is the process where water vapor in the air cools and changes into liquid water, forming droplets.

Front

Why does oil float on water?

Back

Oil floats on water because it is less dense than water.

Front

How can you separate salt from water?

Back

You can separate salt from water by evaporating the water, which leaves the salt behind.

Front

What is density?

Back

Density is the mass of an object divided by its volume, indicating how compact the matter is.

Front

What is evaporation?

Back

Evaporation is the process where liquid water turns into water vapor, usually when heated.

Front

What is a solution?

Back

A solution is a mixture where one substance (solute) is dissolved in another (solvent), like salt in water.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance but not its chemical composition, while a chemical change results in new substances being formed.

Front

What is the role of decomposers in an ecosystem?

Back

Decomposers break down dead organisms and waste, returning nutrients to the soil.