Front

Which description of the energy conversions in this process is correct?

Back

The chemical energy in the fuel-air mixture is converted to thermal energy, which is then converted to mechanical energy

Tags

112.18.b.9.C

Front

Energy transformations when a circuit with a battery, switch, and fan is closed and the fan spins?

Options: Chemical to mechanical to electrical, Electrical to chemical to mechanical, Chemical to electrical to mechanical, Mechanical to electrical to chemical

Back

Chemical to electrical to mechanical

Tags

112.18.b.9.C

Front

Which energy transformation happens when the blades are spinning? Options: Electrical to mechanical, Chemical to electrical, Mechanical to electrical, Chemical to mechanical

Back

Mechanical to electrical

Tags

112.18.b.9.C

Front

Energy changes when water in a tea kettle is heated on a stove using natural gas.

Back

Chemical energy to thermal energy to sound energy

Tags

112.18.b.9.C

Front

Energy transformations when a cook heats a meal in a microwave oven.

Back

Electrical energy to electromagnetic energy to thermal energy

Tags

112.18.b.9.C

Front

A teacher rubbed a match against a piece of sandpaper. The match started to burn. Which statement best describes the energy changes that occurred?

Back

The chemical energy stored in the match changed to thermal energy and light energy

Tags

112.18.b.9.C

Front

This appliance dries clothes primarily by converting -
Options:
1. electrical energy to heat and mechanical energy
2. mechanical energy to heat and electrical energy
3. electrical energy to heat and light
4. mechanical energy to heat and vaporization

Back

electrical energy to heat and mechanical energy

Tags

112.18.b.9.C

Front

When a lion eats a zebra and then uses the energy from the zebra to run, the lion's body converts:

Back

chemical energy to mechanical energy

Tags

112.18.b.9.C

Front

What energy transformations occur when propane gas is used to lift the balloon?

Back

Chemical -> thermal -> mechanical

Tags

112.18.b.9.C

Front

What energy transformations occur when a solar panel is used to power a fan?

Back

Light energy to electrical energy to mechanical energy

Tags

NGSS.MS-PS3-5