6.8A/6.9C REVIEW

Vehicles use diesel fuels. Which one of these energy transformations take place when the fuel is used by the engine?

• Chemical energy is converted to kinetic energy

• Chemical energy is converted to light energy

• Kinetic energy is converted to potential energy

• Kinetic energy is converted to heat energy.

Tags

NGSS.MS-PS3-5

Electrical devices have been designed to convert electrical energy to other useful forms of energy. Choose the device which converts electrical energy to kinetic energy.

• Picture A

• Picture B

• Picture C

• Picture D

Tags

NGSS.MS-PS3-5

Fossil fuels are burnt in power plants to produce electricity. Which one of the following sequences show the correct order of energy transformation?

• Chemical Energy → Thermal Energy → Kinetic Energy → Electrical Energy

• Thermal Energy → Chemical Energy → Potential Energy → Electrical Energy → Kinetic Energy

• Chemical Energy → Potential Energy → Electrical Energy

• Electrical Energy → Potential Energy → Chemical Energy

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-3

Plants prepare their food by the process of photosynthesis with the help of sunlight. Choose the correct energy transformation that occurs in this process.

• Chemical energy is converted to sound energy

• Light energy is converted to kinetic energy

• Sound energy is converted to potential energy

• Light energy is converted to chemical energy

Tags

NGSS.MS-LS1-6

Harry does certain activities during the day. In which one of his activities is chemical energy converted to kinetic and thermal energy?

• He switches on the light bulb.

• He reads a book.

• He watches television.

• He rides a bike to reach school.

Tags

NGSS.MS-PS3-5

Which one of these devices converts light energy into electrical energy?

• Picture A

• Picture B

• Picture C

• Picture D

A ball is tossed in the air and reaches its maximum height. Which energy transformation occurs in this case?

• Light energy to electrical energy

• Electrical energy to kinetic energy

• Potential energy to kinetic energy

• Kinetic energy to potential energy

Tags

NGSS.MS-PS3-5

Energy occurs in different forms. Listed below are images of few forms of energy. Choose the image which represents thermal energy.

• Picture A

• Picture B

• Picture C

• Picture D

Tags

NGSS.MS-PS1-4

The picture below shows how a glow stick works. Which energy transformation occurs in this case?

• Light energy is converted to chemical energy

• Chemical energy is converted to light energy

• Electrical energy is converted to light energy

• Light energy is converted to thermal energy

  Check answer

Tags

NGSS.MS-PS1-2

Harry is playing a hand-held video game. The source of energy for the device is a battery. Which one of the following sequence shows the correct transformation of energy?

• Chemical Energy → Electrical Energy → Light and Sound Energy

• Light Energy → Chemical Energy → Sound Energy

• Chemical Energy → Light Energy → Sound Energy

• Light Energy → Sound Energy → Chemical Energy

  Check answer