Year 9 Kinetic and Potential Energy. Elastik Bubble Lesson

Multiple Choice

Which of the following is an example of energy being converted from one form to another?

• A person eating food and then running

• A book sitting on a shelf

• A car parked in a garage

• A stone lying on the ground

Multiple Select

Which of the following statements about kinetic energy are correct?

• Kinetic energy is the energy of mass in motion.

• Kinetic energy depends on the mass and speed of an object.

• Kinetic energy cannot be transferred between objects.

• Kinetic energy can be transformed into other forms of energy.

Open Ended

Explain how kinetic energy can be transferred between objects and transformed into other kinds of energy, using an example from the lesson.

Fill in the Blanks

Potential energy is the energy

within an object due to its position, arrangement, or state.

Open Ended

Describe the relationship between kinetic energy and potential energy, and provide an example of how energy is converted between these two forms.

Multiple Choice

What happens to the energy when a weight is lifted onto a shelf and then dropped?

• It is converted from kinetic to potential and back to kinetic energy.

• It disappears completely.

• It is only potential energy throughout.

• It is only kinetic energy throughout.

Multiple Choice

Which type of potential energy depends on both the height and mass of an object?

• Gravitational potential energy

• Elastic potential energy

• Chemical potential energy

• Thermal energy

Open Ended

Compare and contrast gravitational potential energy and elastic potential energy. Provide examples for each.

Multiple Select

Select all the types of potential energy described in the lesson.

• Gravitational potential energy

• Elastic potential energy

• Chemical potential energy

• Thermal energy

Fill in the Blanks

Potential energy is the energy stored in an object due to its

or condition.

Multiple Choice

Which of the following objects stores chemical potential energy?

• A stretched rubber band

• A log of wood

• A ball at the top of a hill

• A hot cup of tea

Open Ended

Explain how heat energy (thermal energy) is produced and how it differs from potential energy.

Multiple Choice

What happens to the particles of a substance when it is heated?

• They move faster and bump into each other

• They stop moving

• They move slower

• They disappear

Multiple Select

Which of the following are examples of thermal energy?

• The warmth from the sun

• A cup of hot chocolate

• Baking in an oven

• A running refrigerator

Open Ended

Explain why heat is considered a by-product in some energy transformations. Give an example from daily life.

Fill in the Blanks

Heat is often produced as a

of energy transfer.

Multiple Choice

What does the law of conservation of energy state?

• Energy cannot be created or destroyed, only transferred

• Energy can be created from nothing

• Energy is always lost as heat

• Energy can only be destroyed

Open Ended

Describe what happens to the energy stored in wood when it burns in a campfire. What forms of energy are produced?

Multiple Choice

What are the two general types of energy for doing work?

• Potential or stored energy and kinetic or working energy

• Heat energy and light energy

• Chemical energy and electrical energy

• Gravitational energy and sound energy

Open Ended

Summarize what you learned about the different forms of energy and how energy transformations can cause change within systems.

Open Ended

How do traditional fire-starting methods used by Aboriginal and Torres Strait Islander Peoples demonstrate the transformation of energy?