Energy Test- TEST A

Experimental Variable Questions: Correct answers to the questions in this section show mastery of the learning target below.
-I understand what experimental variables are and how to apply them.

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Draggable item		Corresponding Item
Independent Variable		Brand of toothpaste
Dependent Variable		How white your teeth can get
Constant		Brushing the same amount of time and using the same amount of toothpaste

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You give four sunflowers different watering with either pure water or different concentrations of salt solutions. After a two-week period, the height of the sunflowers is measured.

Draggable item		Corresponding Item
Two week period		Independent Variable
Different watering- water or different concentrations of salt water		Dependent Variable
Height of sunflowers		Constant

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Mosquito repellant is sprayed on one arm and the other arm is not sprayed. The number of mosquito bites is counted after 2 hours. What is the independent variable?

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Draggable item		Corresponding Item
Independent variable		Type of Shoes
Dependent variable		How high a person can jump

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If the independent variable is the type of light bulb then which axis would you graph this on?

Energy Unit Test Part 1:  Correct answers to the questions in this section show mastery of the learning targets below.
- I understand what energy is.
- I understand the difference between kinetic and potential energy.

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Which of the statements below is TRUE about energy (this means THREE of the statements below are FALSE, do not choose one of these FALSE statements).

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In the image above, which ball above best represents potential energy?

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Which of the following BEST demonstrates kinetic energy?

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Do the examples in box A or box B represent kinetic energy?

Energy Unit Test Part 2:  Correct answers to the questions in this section show mastery of the learning targets below.

-  I understand how energy can be transferred from one object or system to another.

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Which of the statements below is a TRUE statement and best describes the Law of Conservation of Energy?

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At which point does this diver have the MOST kinetic energy, and the LEAST potential energy?

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True or False: The skateboarder above has transferred potential energy to kinetic energy, and back to potential energy again in this image from point 1 to point 4. Also, this skateboarder has the same amount of TOTAL energy no matter which position he is on the ramp. Hint: Remember Law of Conservation of Energy!

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The diagram above represents a bicyclist at the top of a hill, with four points labeled W, X, Y, and Z.
From point W to point Z, how will this bicyclist tranfer their energy.

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While playing a game at a fair, a person lifts a mallet above her head. She then lets the mallet fall toward a target, as shown below.

Which of the following statements describes an energy change that takes place as the person lifts the mallet and then lets it fall toward the target.

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A rollercoaster moves on a roller coaster track through positions 1, 2, 3, 4, and 5. At what position will the roller coaster most likely have the greatest kinetic energy?

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What happens to the kinetic energy and potential energy of a ball that is being held but then let go into a free fall?

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The picture below shows the different positions of a skier as she is lifted to the top of a slope and then skis down the other side.

Which statement best explains the change in the skier's kinetic and potential energy?

Energy Unit Test Part 3:  Correct answers to the questions in this section show mastery of the learning targets below.

- I understand the relationship of kinetic energy to the mass of an object and the speed of an object.

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Two cars have the same exact mass. When the two cars begin traveling, one of the cars has a speed of 15 m/s, and the other car has a speed of 25 m/s. Which car has the greatest amount of kinetic energy?

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The faster an object moves, the ____________ kinetic energy it will have.

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If two different objects are moving at the SAME speed, but are different masses, which of the objects below would have the greatest amount of kinetic energy?

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How would you describe the relationship between the mass of a car and its kinetic energy by looking at the graph below?

Energy Unit Test Part 4:  Correct answers to the questions in this section show mastery of the learning targets below.

- I understand what happens to the amount of potential energy stored in a system when the arrangement of objects interacting at a distance changes.

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Which ball (A or B) has the most potential energy?

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At which point would potential energy be the greatest?

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The __________ something is the more energy it stores as potential energy.

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You give four sunflowers different watering with either pure water or different concentrations of salt solutions. After a two-week period, the height of the sunflowers is measured.

Mosquito repellant is sprayed on one arm and the other arm is not sprayed. The number of mosquito bites is counted after 2 hours. What is the independent variable?

If the independent variable is the type of light bulb then which axis would you graph this on?

Which of the statements below is TRUE about energy (this means THREE of the statements below are FALSE, do not choose one of these FALSE statements).

In the image above, which ball above best represents potential energy?

Which of the following BEST demonstrates kinetic energy?

Do the examples in box A or box B represent kinetic energy?

Which of the statements below is a TRUE statement and best describes the Law of Conservation of Energy?

At which point does this diver have the MOST kinetic energy, and the LEAST potential energy?

The diagram above represents a bicyclist at the top of a hill, with four points labeled W, X, Y, and Z. From point W to point Z, how will this bicyclist tranfer their energy.

While playing a game at a fair, a person lifts a mallet above her head. She then lets the mallet fall toward a target, as shown below. Which of the following statements describes an energy change that takes place as the person lifts the mallet and then lets it fall toward the target.

A rollercoaster moves on a roller coaster track through positions 1, 2, 3, 4, and 5. At what position will the roller coaster most likely have the greatest kinetic energy?

What happens to the kinetic energy and potential energy of a ball that is being held but then let go into a free fall?

The picture below shows the different positions of a skier as she is lifted to the top of a slope and then skis down the other side. Which statement best explains the change in the skier's kinetic and potential energy?

Two cars have the same exact mass. When the two cars begin traveling, one of the cars has a speed of 15 m/s, and the other car has a speed of 25 m/s. Which car has the greatest amount of kinetic energy?

The faster an object moves, the ____________ kinetic energy it will have.

If two different objects are moving at the SAME speed, but are different masses, which of the objects below would have the greatest amount of kinetic energy?

How would you describe the relationship between the mass of a car and its kinetic energy by looking at the graph below?

Which ball (A or B) has the most potential energy?

At which point would potential energy be the greatest?

The __________ something is the more energy it stores as potential energy.

The green skier weighs MORE than the yellow skier. Which skier has the greatest amount of potential energy?

The diagram above represents a bicyclist at the top of a hill, with four points labeled W, X, Y, and Z.
From point W to point Z, how will this bicyclist tranfer their energy.

While playing a game at a fair, a person lifts a mallet above her head. She then lets the mallet fall toward a target, as shown below.

Which of the following statements describes an energy change that takes place as the person lifts the mallet and then lets it fall toward the target.

The picture below shows the different positions of a skier as she is lifted to the top of a slope and then skis down the other side.

Which statement best explains the change in the skier's kinetic and potential energy?