8th Grade Final Exam - Multiple Choice

Front

One example of a physical change is:

• burning paper
• baking cookies
• heating table sugar
• dissolving salt in water

Back

dissolving salt in water

Front

One example of a chemical change is

Back

burning wood.

Front

The energy of matter in motion is called

Back

kinetic energy.

Front

Radio waves, visible light from the sun, infrared “rays” from heat lamps, the waves that heat food in a microwave oven, ultraviolet rays, and X-rays are all considered types of

Back

electromagnetic energy.

Front

Table sugar and table salt are examples of

Back

pure substances.

Front

Substances that CANNOT be broken down chemically into other substances are

Back

elements.

Front

The measurement of the force of gravity on an object is the object’s

Back

weight.

Front

The measurement of how much matter an object contains is its

Back

mass.

Front

The measurement of how much mass is contained in a given volume is called

Back

density.

Front

All elements are composed of extremely small particles called

Back

atoms.