Properties of Matter and Mixtures

Front

What can be said about the density of an object that floats in water?

Back

The density of the object is less than 1 g/mL.

Front

What happens to the kinetic energy of particles when heat is added?

Back

The kinetic energy of particles increases.

Front

What type of mixture is evenly mixed throughout?

Back

A homogeneous mixture.

Front

How can you increase the rate of dissolving a solid?

Back

By adding heat.

Front

What type of reaction releases energy and makes the surroundings warmer?

Back

An exothermic reaction.

Front

What is density?

Back

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

Front

What is a heterogeneous mixture?

Back

A mixture that is not evenly mixed and has different compositions in different parts.

Front

What is an endothermic reaction?

Back

A reaction that absorbs energy and makes the surroundings cooler.

Front

What is the boiling point of water at sea level?

Back

100 degrees Celsius (212 degrees Fahrenheit).

Front

What is a solution?

Back

A homogeneous mixture where one substance is dissolved in another.