Front

Which molecules move the slowest?

Back

Solid

Front

What does 'soluble' mean?

Back

Able to dissolve in water or another liquid.

Front

Are sugar and citric acid soluble in water?

Back

Yes, sugar and citric acid are soluble in water because they dissolve and there is no sediment.

Front

Are pepper and cumin soluble in water?

Back

No, pepper and cumin are not soluble in water because they do not dissolve and there is sediment.

Front

What happens to the speed of molecules when a liquid turns into a gas?

Back

Molecules move faster.

Front

What does a model showing dissolving indicate?

Back

It indicates that the two different molecules are attracted to each other.

Front

What is the state of matter where molecules are tightly packed and move slowly?

Back

Solid.

Front

What is the state of matter where molecules are loosely packed and can flow?

Back

Liquid.

Front

What is the state of matter where molecules are far apart and move very fast?

Back

Gas.

Front

What is an example of a soluble substance?

Back

Sugar.