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Journal CH 6-1 Types of Energy. PS3A: Energy Basics. I can: Describe what energy is List different forms of energy Describe how energy & matter are related

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ps3a energy basics
PS3A: Energy Basics
  • I can:
    • Describe what energy is
    • List different forms of energy
    • Describe how energy & matter are related
    • Describe ways in which energy is transferred Describe ways in which energy is transformed Apply the law of conservation of energy to specific situations
how much does heat weigh
How much does heat weigh?

32

  • 0 grams
  • 0.1 – 2 grams
  • More than 2 grams, but less than a few pounds
  • More than a few pounds

16

8

3

0

27

slide4
You burn gasoline in your car’s engine. How much energy is lost when the fuel tank is all used up (burned up)?

32

  • 100%
  • 80-99%
  • 60-79%
  • 40-59%
  • 20-39%
  • 1-19%
  • Zero

12

3

3

0

1

0

8

27

slide5

Energy:

      • Required to produce a change, do work, or to cause things to happen
      • Has no mass
slide6

2. Energy Types:

  • Potential
  • Thermal: Heat
  • Light
  • Chemical
  • Electrical
  • Kinetic
  • Sound
  • Nuclear

Journal Ch 1.1

slide7

3. Potential Energy:

  • Stored Energy
  • Energy is present even when it isn’t being used

4. Types of Potential Energy:

  • Gravitational: Height of an object
    • Greater elevation = more gravitational potential energy
  • Chemical: uneaten food, unused gasoline, unused chemical, etc
  • Elastic: rubber band, springs, etc.

5. Kinetic Energy: Energy of motion

  • More kinetic energy = faster speed
slide8

6. Thermal Energy:

  • Never decreases.
  • Once it is released by a heater into the atmosphere it doesn’t go back into the heater.
  • Increases when the heat is on
  • Stops when heat is turned off.
slide9

7. Friction force:

  • NOT a type of energy
  • Friction makes heat
  • Where the two palms of your hand are striking one another
slide10

Journal Ch 1.1

8. Energy Transfer: When energy is transferred from one object to another object

  • Example: Energy is transferred from the bat to the ball

9. Energy Transformation: When energy is changed from one type of energy to another

  • Example: Energy is transformed from electrical energy to light energy in a light bulb
slide11

10. Conservation of Energy:

  • Energy cannot be created or destroyed
  • Total amount of energy remains the same
  • If energy increases somewhere it must decrease somewhere else
is friction energy
Is friction energy?

32

  • Yes
  • No

0

0

Friction is a force (push/pull on an object. It is not energy.

It is caused by energy (kinetic energy of two objects striking each other)

AND…the motion is transformed into another type of energy (thermal)

0

what type of potential energy is an apple before you eat it
What type of potential energy is an apple before you eat it?

32

  • Gravitational
  • Chemical
  • Elastic

0

0

0

0

10

Countdown

what type of potential energy occurs on a roller coaster
What type of potential energy occurs on a roller coaster?

32

  • Gravitational
  • Chemical
  • Elastic

0

0

0

0

10

Countdown

slide15
You take a step with your feet. The bottom of your heal strikes the ground. What is the energy transformation?

32

  • Friction transforming into thermal on the bottom of your feet
  • Thermal transforming into kinetic energy on the ground
  • Kinetic transforming into thermal on the heel of your shoe

0

0

0

0

10

Countdown

how much does heat weigh1
How much does heat weigh?

32

  • 0 grams
  • 0.1 – 2 grams
  • More than 2 grams, but less than a few pounds
  • More than a few pounds

0

0

0

0

0

10

Countdown

why does a gust of wind have energy
Why does a gust of wind have energy?

32

  • It’s invisible
  • It’s made up of molecules
  • Has gravitational pull
  • Can cause an object to move

0

0

0

0

0

10

Countdown

slide18
You burn gasoline in your car’s engine. How much energy is lost when the fuel tank is all used up (burned up)?

32

  • 100%
  • 80-99%
  • 60-79%
  • 40-59%
  • 20-39%
  • 1-19%
  • Zero

0

0

0

0

0

0

0

0

10

Countdown

ps3a energy basics1
PS3A: Energy Basics
  • I can:
    • Describe what energy is (review)
    • List different forms of energy (review)
    • Describe how energy & matter are related
    • Describe ways in which energy is transferred (review…but with the specific energies we are studying)
    • Describe ways in which energy is transformed (review…but with the specific energies we are studying)
    • Apply the law of conservation of energy to specific situations
rate your ability on the following learning target
Rate your ability on the following learning target:

32

  • F: I don’t understand how.I make lots of mistakes.
  • D: I have a below average understanding. I can do it, but make many mistakes.
  • C: I have an average understanding.I can do some of it, but I make several mistakes.
  • B: I have an above average understanding. I could do it myself without help, but I sometimes make a few mistakes.
  • A: Excellent understanding. I could teach how to do this to someone else. I rarely make mistakes.

0

0

0

0

0

0

10

Countdown