Science with Powers: Potential Energy

Multiple Choice

Which of the following best describes potential energy?

• Energy stored in an object due to its position or condition

• Energy an object has because it is moving

• Energy released as heat

• Energy produced by chemical reactions

Multiple Choice

Why is the concept of potential energy important in understanding how objects move and interact in our daily lives?

• Potential energy has no effect on everyday object interactions.
• Potential energy is only relevant in physics experiments.
• The concept of potential energy is unrelated to motion and forces.
• Potential energy helps explain how objects move in changing their positions or states.

Multiple Choice

Which of the following statements best explains why a hiker at the top of a cliff has more potential energy than a hiker still climbing?

• Because the hiker at the top is heavier.

• Because the hiker at the top is farther from the ground, increasing gravitational potential energy.

• Because the hiker at the top is moving faster.

• Because the hiker at the top is using more energy.

Open Ended

Describe how kinetic energy is transformed into potential energy using the example of a diver on a diving board.

Multiple Choice

When the diver jumps off the diving board, what type of energy transformation occurs?

• Potential energy to kinetic energy

• Kinetic energy to thermal energy

• Thermal energy to potential energy

• Potential energy to chemical energy

Multiple Select

Select all the correct statements about gravitational potential energy.

• It depends on the force applied to lift the object.

• It is a form of potential energy.

• It is gained when an object is lifted against gravity.

• It is the only form of potential energy.

Open Ended

Explain how electric potential energy is gained by a charged object.

Multiple Choice

Which of the following statements best explains how magnetic potential energy is gained?

• By moving a magnet against a magnetic force

• By keeping a magnet stationary

• By placing like magnetic poles together without force

• By exposing a magnet to sunlight

Multiple Select

Which of the following are examples of elastic objects or materials?

• Rubber bands

• Springs

• Bungee cords

• Wood blocks

Multiple Choice

What process allows plants to transform radiant energy from the Sun into chemical potential energy?

• Photosynthesis

• Respiration

• Fermentation

• Evaporation

Open Ended

Explain how chemical potential energy is stored and released in living things, using examples from the slides.

Multiple Choice

Why is water stored in tanks located high off the ground in water towers?

• To give the water gravitational potential energy

• To keep the water cool

• To prevent evaporation

• To make the tanks easier to clean

Multiple Choice

Which of the following is an application of gravitational potential energy?

• Generation of electricity in hydropower plants

• Heating water in homes

• Photosynthesis in plants

• Burning fossil fuels

Multiple Select

Which of the following statements about generators in power plants are correct?

• Generators work by spinning a magnet or coil of wire

• Generators use compressed air to generate electricity

• Generators are only found in small power plants

• Generators have turbines that can continuously spin a magnet in large power plants

Open Ended

Explain how gravitational potential energy is converted to electricity in hydropower plants, using information from the slides.

Multiple Choice

What is the formula for calculating gravitational potential energy?

• PE = m × g × h

• PE = m × v × h

• PE = m + g + h

• PE = m × h / g

Open Ended

Describe the difference between pneumatics and hydraulics as used in fluid power engineering.

Open Ended

Explain how pumps are used in fluid power engineering to change the properties of fluids. Provide an example of an application where this is important.

Multiple Choice

Which of the following is an example of an application that uses fluid power?

• Power washers

• Electric fans

• Solar panels

• Wind turbines

Open Ended

How do you think potential energy can be transformed into kinetic energy in everyday situations?

Multiple Choice

What is the main difference between kinetic energy and potential energy?

• Kinetic energy is stored energy, while potential energy is energy of motion.

• Kinetic energy is energy of motion, while potential energy is stored energy.

• Both are types of motion energy.

• Both are types of stored energy.

Hotspot

Click the dot that has the greatest kinetic energy.

Match

Match the pictures to their kinetic or potential energy:

• A- Spring that is NOT compressed.

• C- Compressed spring

• D- Ball that is being pushed UP a hill

• B- Roller Coaster that is at the BOTTOM of a hill.

Low elastic potential energy

High elastic potential energy

High gravitational potential energy

High kinetic energy

• Low elastic potential energy

• High elastic potential energy

• High gravitational potential energy

• High kinetic energy

Labelling

match

Drag labels to their correct position on the image

Lowest potential energy

Highest potential energy