When electrical energy is converted into any other form of energy, the total amount of energy

• a. increases

• b. decreases

• c. remains the same

• d. cannot be determined

Most energy on Earth has originated from

• a. oil

• b. the sun

• c. water

• d. wind

The energy you get from the food you eat is called

• a. heat

• b. nuclear

• c. mechanical

• d. chemical

Tags

NGSS.MS-LS1-7

What type of energy transformation takes place as a green plant uses sunlight to make food during photosynthesis?

• a. chemical to light

• b. electric to light

• c. electric to chemical

• d. light to chemical

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-7

Most energy transformations produce which of the following as wasted energy?

• a. light

• b. heat

• c. nuclear

• d. chemical

As hikers climb up a mountain, their potential energy

• a. increases

• b. decreases

• c. remains the same

Tags

NGSS.MS-PS3-2

Which item below changes chemical energy into electrical energy?

• a. fan

• b. battery

• c. lamp

• d. computer

The main purpose of the circuit below is to transform electrical energy into

• a. solar

• b. sound

• c. potential

• d. mechanical

When does the potential energy decrease and the kinetic energy increase on a roller coaster?

• When it goes up a hill

• When it stops at the top

• When it goes down a hill

• When it is sitting still before it starts.

Tags

NGSS.MS-PS3-2

NGSS.MS-PS3-5

The diagram below shows a 1-kilogram stone being dropped from a bridge 100 meters above a river. As the stone falls, the kinetic energy of the stone

• decreases

• increases

• remains the same

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

NGSS.MS-PS3-5