Investigating Force and Forms of Energy

The energy that an object has because of its movement or position is

• light energy

• magnetism

• thermal energy

• mechanical energy

Students fill 2 bottles with cool water. The bottles are placed in direct sunlight. Students make observations and record the data. Most likely, the students are investigating -

• force

• thermal energy

• gravity

• colors of water

To collect the data shown in this table, what tools would the students have used?

• thermometer and a magnet

• timer and a ruler

• thermometer and a timer

• hand lens and a ruler

Which is not a good conductor of heat?

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• 
• 
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A pair of cymbals makes sound when they are struck together because the cymbals -

• vibrate

• lose mass

• grow

• are magnetic

A student wraps a soda can with newspaper to keep the drink cold. The newspaper is used -

• as a reactor

• as a conductor

• as an insulator

• as an evaporator

Which appliance converts electrical energy to mechanical energy?

• calculator

• blender

• telephone

• stove

Megan uses a blow dryer in the morning to dry her hair. She thinks about the forms of energy and the conversion that is taking place when she uses it. Which is correct?

• electrical energy into thermal energy and mechanical energy

• electrical energy into sound energy and chemical energy

• sound energy into electrical energy and mechanical energy

• mechanical energy into electrical energy

A form of energy which our eyes can detect is called

• sound energy

• potential energy

• electrical energy

• light energy

Matter that light travels through is called

• sound energy

• medium

• energy

• electric current