Physics quiz 1

Kinetic energy.

• Total energy

• Movement

• Stationary

• Gravity

Thermal energy.

• Moving

• Weather

• Cold

• Heat

Energy efficient lightbulbs (compared to a standard lightbulb).

• Use more energy

• Use less energy

• Use the same energy overall

• Take longer to light up but use more electricity

A kilojoule is 1000 Joules

• True

• False

• No, it's a kilogram of Joules

• No, it's James Joules' fault

An orange is 500 Joules, a pear 1000 Joules and a toffee apple 1500 Joules. If Bindi ate all 3 for lunch how many kilojoules would she have eaten in total?

• 3000

• 30

• 3

• 300

Where is the car moving fastest?

• A

• B

• C

• D

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

The car has 200 J of PE at point A and is not moving. What is the total ME at point A?

• 200 J

• 150 J

• 100 J

• 50 J

• 0 J

Tags

NGSS.MS-PS3-2

What unit is energy measured in?

• Newtons 
• Joules 
• Grams 
• Volts

When my velocity triples, my kinetic energy increases by ______ times.

• 9
•  3 
• 1.5
• 4.5

Tags

NGSS.MS-PS3-1

I do the same amount of work as my friend but it takes me twice as long to finish, who is more powerful

• Me

• My Friend

• Equal Power

• Time does not impact power