Q1W9D2 Energy and Types of energy

Open Ended

Why is understanding different forms of energy important in our daily lives?

Multiple Choice

Which of the following is an example of energy transformation?

• A battery powering a flashlight

• A book lying on a table

• A pencil being sharpened

• A glass of water sitting still

Multiple Choice

Which of the following best describes energy?

• The ability to do work or cause change

• A type of matter

• A form of sound

• A type of living organism

Multiple Select

Which of the following statements about kinetic energy are correct?

• It depends on the speed of the object.

• It depends on the mass of the object.

• It is stored energy.

• It is the energy of motion.

Fill in the Blanks

Kinetic energy is the energy an object possesses due to its

.

Open Ended

Explain the difference between kinetic energy and potential energy, using your own words.

Open Ended

Why is teamwork important when learning about science concepts such as energy?

Fill in the Blanks

A 2 kg ball is thrown at a speed of 5 m/s. What is its kinetic energy?

Open Ended

What is the kinetic energy of a 1,000 kg car driving at 20 m/s?

Multiple Choice

Which of the following is the correct formula for calculating kinetic energy?

• KE = 1/2 m v^2

• KE = m g h

• KE = m v

• KE = 1/2 m g^2

Multiple Choice

Compare the kinetic energy of the car (1,000 kg at 20 m/s), the person (50 kg at 4 m/s), and the bird (0.5 kg at 10 m/s). Which one has the greatest kinetic energy?

• The car

• The person

• The bird

• All have the same kinetic energy

Fill in the Blanks

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

or state.

Open Ended

A 5 kg box is sitting on a shelf that is 2 meters high. What is its potential energy?

Multiple Choice

Which of the following situations best demonstrates the concept of potential energy as described in the lesson?

• A diver standing on a diving board

• A car driving at high speed

• A bird flying through the air

• A person running a race

Open Ended

A 1 kg apple is hanging from a branch 3 meters above the ground. Calculate its potential energy.

Open Ended

A 20 kg child is at the top of a 4-meter tall slide. What is their potential energy?

Multiple Choice

Which of the following formulas correctly represents the calculation of work in physics?

• W = Fd

• W = mgh

• W = mv^2/2

• W = F/m

Multiple Choice

Which of the following best describes the concept of 'work' in physics?

• The amount of force applied to an object regardless of movement

• The transfer of energy when a force causes displacement in the direction of the force

• The speed at which an object moves

• The energy stored in an object due to its position

Open Ended

You push a box with a constant force of 30 N for a distance of 5 meters. How much work did you do?

Open Ended

A crane lifts a steel beam by applying a force of 5,000 N over a distance of 20 meters. How much work did the crane do?

Fill in the Blanks

Calculate the work done when a force of 10 N is used to pull a wagon for 100 meters.

Fill in the Blanks

How much work did the engine do if it provided a force of 2,000 N to move the car 50 meters?

Multiple Choice

Which formula is used to calculate the work done by a force?

• W = F × d

• W = m × g × h

• W = 1/2 × m × v^2

• W = P × t

Multiple Select

Select all the factors that affect the kinetic energy of an object.

• Mass

• Speed

• Height

• Velocity

Fill in the Blanks

If a 5 kg object is lifted to a height of 10 meters, how does its potential energy change if the height is doubled?

Open Ended

What is the difference between kinetic energy and potential energy?

Open Ended

Reflecting on today's lesson about energy and its types, what is one question you still have or something you would like to learn more about?

Multiple Choice

What is one way energy can change from one form to another?

• By being stored in batteries

• By being used up completely

• By disappearing

• By staying the same forever