ET 3.3 Energy 11/7/24

Which statement summarizes the transformations that happen in energy as a skier comes down a hill.

• Potential energy increases as the skier moves down the hill

• Potential decreases as it transforms to kinetic energy

• Kinetic energy converts to potential energy

• Kinetic energy decreases as the skier moves down the hill

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-4

As part of a science activity, Eddie stretches a rubber band, lets it go and it flies 4 meters.
Which statement below most accurately describes what happened?                    

• 1. The energy in the rubber band will be lost.
• 2. The stretched rubber band has kinetic energy.
• 3. Stretching a rubber band does not work.
• 4. A flying rubber band has kinetic energy.

Tags

NGSS.MS-PS3-5

Which form of energy is stored in the food you eat?

• electrical 
• mechanical 
  mechanical
• chemical
• thermal

Tags

NGSS.MS-LS1-7

Which forms of energy are being compared in the student’s

investigation?

• Light energy and electrical

  energy

• Mechanical energy and

  electrical energy

• Light energy and thermal

  energy

• Mechanical energy and thermal

  energy

Which examples use mechanical energy to perform their functions?

• Examples 1, 2, and 4

• Examples 1, 3, and 4

• Examples 1 and 2 only

• Examples 3 and 4 only

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

A student removes a pitcher of chilled lemonade from a 5°C refrigerator and leaves the pitcher in a 20°C room for several hours.

Which of the following statements best describes the flow of energy during this time?

• Cold energy flows from the lemonade to the room until the room

  is colder than the lemonade.

• Heat energy flows from the room to the lemonade until the lemonade is warmer than the room.

• Cold energy flows from the lemonade to the room until the

  lemonade and the room are the same temperature.

• Heat energy flows from the room to the lemonade until the lemonade and the room are the same temperature

Tags

NGSS.HS-PS3-4