Show:
Layers of a Star
Types of Energy (Definitions)
Types of Energy (Examples)
Balancing Chemical Equations
Conservation of Energy
100

Which layer radiates energy from the core to the convection zone?

Radiation Zone

100

What is the energy of motion?

Kinetic Energy

100

A stove is hot to the touch. What type of energy is present?

Thermal

100

HgO → Hg + O2

2:2:1

100

Putting gas in your car to give it the power to drive shows which conversion of energy?

Chemical → Mechanical

200

Which layer uses convection to transfer energy from the radiation zone to the photosphere?

Convection Zone

200

Mechanical energy is the combination of _____ & _____ energy.

Kinetic & Potential

200

Chewing food then digesting it is an example of which type of energy?

Chemical

200

N2 + H2 ---> NH3  

1:3:2

200

Sunlight from the sun powers photosynthesis (creates food for plants). This shows which energy conversion?

Light → Chemical

300

What is the role of the core?

It radiates energy from the innermost part of the star to the radiation zone.

300

  • _____ energy is caused by vibrations.

  • _____ energy can be detected by our sight.

Sound

Light

300

A roller coaster pauses at the top of a hill, then plummets down at 75 m/s.  What type of energy is best exemplified by this example?

Mechanical Energy

300

  • H2 + O2 → H2O

H2O2 → H2 + O2

2:1:2

Balanced

300

When you plug a microwave into the wall, it has _____ energy, which is converted into _____ energy to heat your food.

Electrical → Thermal

400

What is the role of the photosphere?

It radiates energy out into space.

400

  • _____ energy is stored energy because of an object’s position or state.

  • If an object is placed in a high position, it has _____ energy.

Potential

Gravitational

400

A stretched rubber band has _____ energy.  When it’s released & moves back to its normal position, it has _____ energy.

Elastic

Kinetic

400

Fe + O2 ---> Fe2O3

4:3:2

400

When a stretchy object is stretched, it has _____ potential energy. Once it is released & begins to move, the energy becomes _____.

Elastic → Kinetic

500

What is the order of star layers from the innermost to the outermost layer?

Core → radiation zone → convection zone → photosphere

500

  • Movement of molecules in an object is _____ energy.

  • Energy stored inside an atom is _____ energy.

Thermal

Nuclear

500

Moving an electron to a place of negative charge is an example of which type of energy?

Electrical

500

N2 + O2 → N2O3

2:3:2

500

What is the Law of Conservation of Energy?

Energy can’t be created or destroyed; it only changes form.