Science 9 1st Semester Review

What is energy?

• moving energy

• stored energy

• renewable energy

• The ability to do work.

What is potential energy?

• moving energy

• stored energy

• renewable energy

• non renewable energy

What is kinetic energy?

• moving energy

• potential energy

• stored energy

• renewable energy

Units of force are

• newtons

• grams

• joules

• meters

Units for work are

• newtons

• joules

• meters

• seconds

What is the formula for work?

• Force = work x distance
• Distance = force x work
• Work = force x distance
• Work = force x mass

You do 90 joules of work in 30 seconds. How much power have you generated?

• 30 watts
• 3 watts
• 120 watts
• 270 watts

if you push a cart with a force of 60 N for 2 m... how much work have you done

• 120 J

• 30 J

• 120 N

• 30 N

At which point of the roller coaster is potential energy the greatest?

• W

• X

• Y

• Z

Identify the type of energy

• Thermal energy

• Sound energy

• Mechanical energy

• Electrical energy