Review: Module 1- Matter and Energy

Describe what happens to the potential and kinetic energy of the blue skateboarder as he goes from the top of the half-pipe to the bottom.

What is potential energy?

True or False Energy can change forms.

A kid is jumping up and down on a Pogo stick. When (or where) is all of his energy converted into almost all kinetic energy?

a model of the path that energy in food takes as it moves from organism to the next is called

Describe what is happening in the picture.

At which point in time is the energy in a slingshot being converted to kinetic energy? a. when the rubber band is stretching b. when the rubber band is released c. when the rubber band is fully stretched

In the bar graph shown in the image, potential energy + kinetic energy = __________ energy.

What type of energy is found in the propeller in BOTH diagrams? a. potential b. kinetic c. mechanical d. elastic

breaks down decaying material in an ecosystem

What will happen to this water skier's potential energy as he falls back down toward the water?

How does mass effect the potential energy of an object? a. lager mass=less potential energy b. larger mass=more potential energy c. smaller mass=more potential energy

organisms at the beginning of a food chain are called

Which of the following is an example of kinetic energy? a. a light bulb turned on b. a car parked at the top of the hill c. a battery connecting to a circuit d. a comet flying in space

What energy transformation is occurring in the diagram? a. chemical --> mechanical b. thermal --> kinetic c. mechanical --> thermal d. potential --> mechanical

The ball in position E has only kinetic energy, no potential energy. (TRUE or FALSE)

Which point has the highest potential energy?

As a snowball is rolling down a hill, it is getting faster and faster. Which statement is true? a. potential energy changes to kinetic b. the snowball gains potential energy c. the snowball is gaining kinetic energy until it stops

At which point is the potential energy increasing? 1, 2, 3, 4, or 5

True or False Energy can be created, but not destroyed

What is kinetic energy?

A model of how food chains over lap

At which 2 points is the potential energy increasing in the marble diagram? 1 and 2 2 and 3 1 and 3 2 and 4

Why are arrows used in food webs and chains?