Energy Transformations

A book is pushed and released and it slides across a table for a short distance. The book quickly comes to a stop. The book originally has kinetic energy. To what form of energy is the kinetic energy transformed?

• The kinetic energy is transformed into chemical energy.

• The kinetic energy is transformed into heat.

• The kinetic energy is not transformed into any other type of energy.

• The kinetic energy is transformed into electrical energy..

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-4

Which sequence describes the energy conversions in a car's engine?

• kinetic to potential to mechanical

• thermal to mechanical to chemical

• mechanical to thermal to chemical

• chemical to thermal to mechanical

Tags

NGSS.HS-PS3-3

You are learning about energy transformations in science class. Today, you are making a solar oven in science class. Your group's reward? You are going to use your solar oven to make s'mores: graham crackers, toasted marshmallows, and melted chocolate. When you have completed your oven, you get to eat the s'mores! Your oven converts solar energy into ___________ energy to make the s'mores.

• Mechanical

• Cooked

• Heat

• light

Tags

NGSS.MS-PS3-3

NGSS.MS-PS1-4

You are learning about energy transformations in science class. Mel and Sam built this set-up to see if light energy could be transformed into _________ energy.

• Mechanical

• Solar

• Light

• Heat

When a person does work on an object, the object gains energy. As a bicycle rider rides from the bottom to the top of a hill, the energy from the work can become which combination of types of energy?

• The riders work becomes a combination of kinetic energy and heat

• The riders work becomes a combination of gravitational potential and heat

• The riders work becomes a combination of gravitational potential, kinetic energy and heat

• The riders work becomes kinetic energy only.

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-4

When Clayton lights a firework, its potential energy is converted to all but what form?

• mass

• sound

• light

• heat

Tags

NGSS.MS-PS3-5

What is/are the energy transformation(s) that take place when using a wind turbine to generate usable energy?

• mechanical - friction - electrical

• friction- electrical

• kinetic - mechanical - electrical

• friction - mechanical - electrical

Tags

NGSS.MS-PS3-5

Wind turbines can generate a great deal of usable energy and have become popular because there is no cost to use wind and they do not emit greenhouse gases. A typical wind turbine is only 30% efficient though. Explain what has happened to the other 70% of the energy.

• It is converted to thermal energy.

• It is released as mechanical energy into the air.

• It is released as mechanical energy into the air.

• It is lost due to friction.

A student breaks the internal chambers of a glowstick to light up a dark room. What energy transformations occur between the student and the glowstick?

• Chemical energy thermal energy light energy

• Mechanical energy electromagnetic energy thermal energy

• Chemical energy light energy mechanical energy

• Mechanical energy chemical energy light energy

Tags

NGSS.MS-PS3-5

A student uses their finger to push the power button on a T.V. remote. The T.V. remote works by emitting infrared pulses of light. What energy transformations occur between the student and the T.V. remote?

• Mechanical energy →→ light energy →→ mechanical energy

• Mechanical energy →→ electrical energy →→ electromagnetic energy

• Mechanical energy →→ chemical energy →→ light energy

• Mechanical energy →→ electromagnetic energy →→ light energy

Tags

NGSS.MS-PS3-5