2023 6th Grade Fall Semester Test

What action in the science laboratory transforms chemical energy to thermal energy?

• Using a hot plate to boil a beaker of water

• Using a candle to melt sulfur in a test tube

• Growing potted plants near a window

• Flipping the light switch to turn on classroom lights

Tags

6.9C

Which of the following energy transformations is most similar to an electric pencil sharpener?

• 
• 
• 
• 

Tags

6.9C

When a hawk eats a mouse and then uses the energy from the mouse to fly, the hawk's body converts -

• mechanical energy to chemical energy

• thermal energy to mechanical energy

• chemical energy to mechanical energy

• mechanical energy to thermal energy

Tags

6.9C

The diagram shows a hot plate and an electrical outlet. What energy transformation occurs when the hot plate is plugged into the outlet and the control knob is in the "on" position?

• thermal energy to electrical energy

• electrical energy to thermal energy

• thermal energy to mechanical energy

• mechanical energy to thermal energy

Tags

6.9C

Two friends decide to go to the park and watch a movie on a computer. The computer runs on battery power. What energy transformation is occurring from the battery to the light being given off by the computer?

• chemical, electrical, light

• chemical, electrical, sound

• electrical, light, sound

• electrical, chemical, light

Tags

6.9C

Which scenario describes a transformation of thermal energy into chemical energy?

• You turn on the heater in your car.

• The UV light from the Sun causes a sunburn.

• The Sun's energy causes you to sweat.

• The oven bakes dough into bread.

Tags

6.9C

A hydroelectric power plant works by using flowing water to turn a turbine. The turbine is connected to a magnet inside of a generator. When the magnet turns inside of the generator, the coiled wire surrounding the magnet will generate the type of energy that is sent along power lines to your home. What energy transformation occurs in a hydroelectric power plant?

• mechanical to electrical

• electrical to mechanical

• chemical to mechanical

• chemical to electrical

Tags

6.9C

A car burns gasoline to create hot air gas that expands to move the pistons in the engine, which causes the cars to be able to move. What energy transformations occur from the fuel to the movement of the car?

• thermal to mechanical

• thermal to chemical to mechanical

• chemical to thermal to mechanical

• chemical to electrical

Tags

6.9C

Which of the following types of energy best describes potential energy?

• stored

• electrical

• motion

• thermal

Tags

6.8A

Which type of energy best describes the motion of a ball rolling down a hill?

• potential

• kinetic

• latent

• mechanical

Tags

6.8A