Science QA #2

Front

Which two forms of energy does the earth receive directly from the sun? Options: Mechanical and thermal, Light and thermal, Light and sound, Electrical and heat

Back

Light and thermal

Front

An object that contains a lot of thermal energy can be recognized because it ________________.

Back

is warm to the touch

Front

This boy is using a bow and arrow.  What form of energy does a bow and arrow demonstrate? 

Back

mechanical

Front

__________________ energy is the energy of motion or stored energy.

Back

Mechanical

Front

Which of these items converts electrical energy to heat energy? refrigerator, shower, hair dryer, calculator

Back

hair dryer

Front

Water flowing downhill is demonstrating what form of energy?

Back

mechanical

Front

______________ energy is produced by vibrations.

Back

sound

Front

What kind of force is illustrated in the picture?

Back

Contact Force

Front

What Force does the picture represent?

Back

Non-Contact Force

Front

What is the main force acting on the ball as it rolls down the ramp?

Back

gravity