Energy Forms and Transformation

Water being released behind a dam is an example of what energy transformation?

• chemical to heat

• potential to kinetic

• electrical to mechanical

• solar to kinetic

Tags

NGSS.MS-PS3-2

What can you infer about the energy change that occurred?

• chemical energy from the sun increased the thermal energy of the water

• radiant energy from the sun decreased the thermal energy of the water

• thermal energy from the sun decreased the chemical energy in the water bonds

• radiant energy from the sun increased the thermal energy of the water

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

A girl threw a ball. As the ball moves through the air, what type of energy does it have?

• heat energy

• chemical energy

• electrical energy

• mechanical energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Energy that flows through an electrical circuit is ____________ energy?

• chemical

• electrical

• heat

• solar

Tags

NGSS.MS-PS3-5

A falling rock has kinetic energy. Where does that kinetic energy go when it hits the ground and stops?

• It is reduced until it disappears

• It is converted into potential energy again

• It is converted into heat and sound

• It is converted into matter

Tags

NGSS.MS-PS3-5

A student wants to model how energy is conserved. She holds a book above the floor and explains that the book now has potential energy. She then drops the book.

What energy transformation occurs after she drops the book?

• It changes from potential to kinetic and back to potential.

• it changes from potential to kinetic to zero energy.

• It changes from potential to kinetic to sound and thermal.

• It changes from potential to kinetic to elastic.

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which of these would have the greatest mechanical potential energy?

• A roller coaster at the top of a hill.

• A roller coaster half-way up the hill.

• A roller coaster half-way down the hill.

• A roller coaster at the bottom of the hill.

Tags

NGSS.MS-PS3-2

Which of the following is an example of friction converted into heat energy?

• the sun

• a snickers bar

• a generator

• rubbing your hands together

Batteries are an example of which of the following forms of energy?

• solar

• thermal

• chemical

• mechanical

Claire made breakfast for the family on Saturday morning. She put some bread in the toaster. When the bread popped up, Sally grabbed the toast. "Ouch! That's hot!" She exclaimed.

What the SOURCE of the heat that made the bread hot?

• burning

• electricity

• friction

• light

Tags

NGSS.4-PS3-2