UOI-2 'Energy' FA-1

Name and section

Q1. What is energy?

• The ability to do work
• a force
• ability to transform work

Q2. Energy of motion is which type of energy?

• potential
• kinetic
• sound

Q3. When plants convert the sun's energy into food, which type of energy it is?

• kinetic
• thermal
• chemical

Q4. Which energy transformation occurs in a toaster?

• chemical to electrical
• kinetic to chemical
• electrical to thermal

Q5. Mechanical energy is:

• Energy built up before being in motion
• Sum of kinetic and potential energy
• Energy released in chemical reaction

Q6. In this picture: Electrical energy is transferred to __________ energy.

• chemical
• thermal
• solar

Q7. The ultimate source of Energy:

• Sun
• The sky
• movement

Q8.According to 'Law of Conversation of energy', energy cannot be _______________ and _________

• destroyed, destroyed
• created, destroyed
• created ,saved

Q9. What type of energy is stored in the battery?

• chemical
• electrical
• thermal