PS3.3 KE, Mass, and Speed

What does kinetic energy refer to?

• Energy when at rest

• Energy stored in food

• Energy in motion

• Energy from a splitting atom

Tags

NGSS.MS-PS3-1

What does mass refer to?

• The weight of an object

• The amount of matter in an object

• The speed at which an object moves

• The kinetic energy of an object

What does speed represent?

• The weight of an object.

• The amount of matter in an object.

• The rate at which an object moves.

• The amount of kinetic energy in an object.

Tags

NGSS.MS-PS3-1

Which of the following has the greatest impact on kinetic energy?

• Mass

• Speed

• Volume

• Weight

Tags

NGSS.MS-PS3-1

Which two factors influence the kinetic energy of an object?

• Area and Volume

• Mass and Weight

• Weight and Height

• Mass and Speed

Tags

NGSS.MS-PS3-1

Which object has the most kinetic energy?

• 
• 
• 
• 

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

Assuming all objects are moving at the same speed, which one would possess the highest kinetic energy?

• tennis ball

  1kg

• football

  3kg

• notebook

  2kg

• Box of 20 textbooks

  20kg

Tags

NGSS.MS-PS3-1

Why is stopping a four-person bobsled more challenging than stopping a three-person bobsled?

• The four-person sled has more kinetic energy (KE)

• The four-person sled has less kinetic energy (KE)

• The three-person bobsled has more potential energy

• None of the above

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Which two options accurately describe the energy transfer depicted in the diagram?

• Position 1: Kinetic Energy (KE) is decreasing, and Potential Energy (PE) is increasing.

• Position 2: Kinetic Energy (KE) is increasing, and Potential Energy (PE) is decreasing.

• Position 3: Kinetic Energy (KE) is increasing, Potential Energy (PE) is also increasing.

• Position 4: Kinetic Energy (KE) is decreasing, and Potential Energy (PE) is increasing.

• Position 5: Kinetic Energy (KE) is increasing, and Potential Energy (PE) is decreasing.

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-4

Does increasing an object's mass result in an increase in its kinetic energy?

• true

• false

Tags

NGSS.MS-PS3-1