Q1T1 How to Calculate Kinetic Energy

Presentation

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Science

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7th Grade

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Practice Problem

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Medium

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NGSS

HS-PS3-2, MS-PS3-1, HS-PS3-1

Standards-aligned

ROBERTO CUELLO

Used 2+ times

FREE Resource

22 Slides • 21 Questions

Open Ended

Why is it important to understand the relationship between mass, speed, and kinetic energy in everyday life?

Type response here

Multiple Choice

Which of the following factors will increase the kinetic energy of an object the most?

Doubling the mass while keeping speed constant

Doubling the speed while keeping mass constant

Halving the mass while doubling the speed

Keeping both mass and speed constant

Multiple Choice

What is the kinetic energy of a 50 kg person jogging at 4 m/s?

400 J

200 J

100 J

800 J

Multiple Choice

Which of the following are the correct SI units for mass and velocity when calculating kinetic energy?

Kilograms (kg) and meters per second (m/s)

Grams (g) and kilometers per hour (km/h)

Pounds (lb) and feet per second (ft/s)

Ounces (oz) and miles per hour (mph)

Open Ended

Why is it important to ensure the correct units when calculating kinetic energy?

Type response here

Fill in the Blanks

Open Ended

Describe the step-by-step process for calculating the kinetic energy of an object, starting from identifying variables to the final calculation.

Type response here

Multiple Choice

After squaring the velocity and multiplying by the mass, what is the next step in calculating kinetic energy?

Multiply by 1/2

Divide by the mass

Add the velocity

Multiply by 2

Multiple Choice

Which of the following is the correct SI unit for kinetic energy?

Joule (J)

Watt (W)

Newton (N)

Pascal (Pa)

Multiple Choice

Which of the following variables are needed to calculate the kinetic energy of an object?

Mass and velocity

Force and distance

Power and time

Acceleration and time

Open Ended

Explain how to calculate the kinetic energy of an object, including the formula and the meaning of each variable.

Type response here

Fill in the Blanks

Type answer...

Fill in the Blanks

Type answer...

Open Ended

Compare the kinetic energy of the toy car (0.3 kg, 2 m/s) and the baseball (0.15 kg, 40 m/s). Which one has more kinetic energy and why?

Type response here

Multiple Choice

Compare the kinetic energy of a person rollerblading (45 kg at 8 m/s) and a person skateboarding (50 kg at 6 m/s). Which one has more kinetic energy and why?

The rollerblader has more kinetic energy because of higher velocity.

The skateboarder has more kinetic energy because of higher mass.

Both have the same kinetic energy.

Neither has kinetic energy.

Open Ended

A person with a mass of 60 kg is swimming at a velocity of 1.5 m/s. What is their kinetic energy?

Type response here

Multiple Choice

Which of the following factors affect the kinetic energy of an object?

Mass and velocity

Only mass

Only velocity

Height above ground

Open Ended

Explain how kinetic energy changes if the velocity of an object is doubled, using examples from the images.

Type response here

Fill in the Blanks

Type answer...

Open Ended

How would you explain the relationship between mass, velocity, and kinetic energy to someone who has never studied physics before?

Type response here

Multiple Choice

Which of the following factors would increase the kinetic energy of an object?

Increasing its mass or velocity

Decreasing its mass or velocity

Keeping its mass and velocity constant

Reducing both mass and velocity

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