Energy Review

A simple machine is something that makes doing work harder

• True

• False

The law of conservation of energy states energy can be created and destroyed, meaning once you have used energy, it is lost

• True

• False

Tags

NGSS.MS-PS3-5

What is potential energy?

• The energy an object has due to its atomic structure.

• The energy an object has due to its chemical composition.

• The energy an object has due to its motion.

• The energy an object has due to its position or condition.

Tags

NGSS.MS-PS3-2

What is kinetic energy?

• The energy an object has due to its position or condition

• The energy an object has due to its motion

• The energy an object has due to its chemical composition

• The energy an object has due to its atomic structure

Tags

NGSS.MS-PS3-1

Which object has the most potential energy?

• A ball resting on the ground.

• A ball being thrown at 100 miles per hour.

• A ball on top of a refrigerator.

• A ball resting on the edge of a cliff.

Tags

NGSS.MS-PS3-2

In which of these cases is work being done? 

• A student sleeps
• A student pushes a locked door that does not move
• a student carries his chair into another room
• A student sits on the carpet

Using energy from the sun is an example of what type of energy?

• Gravitational potential

• Mechani

• Light

Tags

NGSS.MS-ESS2-4

NGSS.MS-LS1-6

In order for positive work to be done, which of the following must happen?

• Motion is in the same direction as the force.

• depends on the mass

• Motion is in the opposite direction as the force.

Tags

NGSS.MS-PS3-5

Which of the following is the correct units for Power?

• Joules

• Watts

• Newtons

Where on a seesaw would you find the fulcrum?

• In the middle

• At the end

• Between the middle and end