Properties of Matter Review

Front

What effect do hot temperatures have on the speed of a chemical change?

Back

Hot temperatures can increase the speed of a chemical change.

Front

If a magnet breaks into tiny pieces, will all the pieces still be magnetic?

Back

Yes, all the individual pieces will still be magnetic.

Front

In an experiment testing which brand of marker lasts the longest, what is the independent variable?

Back

The brand of marker.

Front

What type of change occurs when a powder is completely dissolved in water?

Back

This is an example of a physical change.

Front

Is the statement 'The box had a volume of 400 cm³' an observation or an inference?

Back

Observation.

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Front

What are the three states of matter?

Back

Solid, liquid, and gas.

Front

What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What is a chemical change?

Back

A chemical change is a change that results in the formation of new chemical substances.

Front

What is density?

Back

Density is the mass of an object divided by its volume.