Ch 6 review Questions

1. The ability to cause change best describes:

• energy
• work
• efficiency
• power

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-2

NGSS.MS-PS3-5

2. Units of energy include all of the following EXCEPT:

• calorie
• Btu
• kilowatt-hour
• gram

3. The term best described by the phrase, " a group of objects, effects, and variables that are related," is:

• mass
• energy
• system
• efficiency

Tags

NGSS.MS-LS2-3

4. Thinking back to the video of Mrs. Holmes on the zipline, the higher I climbed to the top of the scaffolding, the more _______________ energy I had.

• kinetic energy
• potential energy
• heat energy
• light energy

Tags

NGSS.MS-PS3-2

5. Friction between two surfaces, like when we rub our hands together, most often transforms energy of motion directly to:

• electrical energy
• thermal energy
• chemical energy
• nuclear energy

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NGSS.MS-PS3-5

6. Which of the following statements DOES NOT agree with the law of conservation of energy?

• When gasoline is burned, energy is destroyed
• Some energy from gasoline is converted into light energy
• As one form of energy decreases, another form increases

Tags

NGSS.MS-PS3-5

7. When the skater is in the position below, which type of energy is the greatest?

• potential
• kinetic
• both potential and kinetic
• neither potential nor kinetic

Tags

NGSS.MS-PS3-2

NGSS.MS-PS3-5

8. The rate, or amount of time it takes, to do work is called:

• energy
• efficiency
• power
• mechanical advantage

9. If forces A, B, and C are equal, where is the most work done?

• Force A
• Force B
• Force C
• The work is the same for all three

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

10. Think back to the bouncy ball lab. Once we released the bouncy ball from our hands and it began to fall, what kind of energy was occurring?

• potential
• kinetic
• thermal
• chemical

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2