Work And Energy

Work And Energy

Open Ended

What is work?

Open Ended

A man holding heavy bag for the entire day would not have done any work aacording to physics . why?

Open Ended

What do you understand by energy?

Types of Energy

4.

3.

2. Light Energy

​1. Mechanical Energy

5.

Multiple Choice

What kind of energy does this device use?

• Chemical
• Electrical
• Thermal
• Chemical

Multiple Choice

The ability to do work is

• power
• energy
• thermal
• kinetic

Multiple Choice

All sound is made by ________.

• space
• squeaks
• beeps
• vibrations

Multiple Choice

Which form of energy is produced when a guitar string vibrates?

• Sound energy
• Electrical energy
• Chemical energy
• Light energy

Multiple Choice

What form of energy is being used when a person pushes heavy boxes across the floor? 

• Electrical energy
• Mechanical energy
• Heat energy
• Sound energy

Multiple Choice

What is the form of energy that allows you to see the things around you?

• Heat

• Sound

• Light

• Air

Multiple Choice

What kind of energy keeps people warm?

• Sound energy

• Moon energy

• Muscle energy

• Heat energy

Multiple Choice

It is an example of ________________ energy

• Light

• Sound

• Heat

Multiple Choice

It is an example of _____________ energy

• Light

• Sound

• Heat

Multiple Choice

The star is an example of __________ energy.

• Light

• sound

• Heat

Multiple Choice

The toaster is an example of __________ energy.

• Light

• Sound

• Heat

Multiple Choice

A computer uses what type of energy to operate?

• Mechanical

• Light

• Electric

• Sound

Multiple Choice

Which one represents LIGHT ENERGY?

• traffic light

• lamp

• light bulb

• flashlight

• all of the above