2. Energy Nuclear Fission Nuclear Fusion
The splitting of an atom to create energy
Produced in nuclear reactors
The fusion of two atoms to create energy
Happens within stars

3. What is electromagnetic energy?
Energy emitted from objects in the form of electrical and magnetic waves that can travel through space (vacuum).

5. Electromagnetic Energy energy that travels in waves
spectrum on:
p. 484 & 678

6. The Electromagnetic Spectrum

7. Gamma Rays 1 cm X – Rays 2 cm Ultraviolet 3 cm Visible Light 4 cm
Infrared 5 cm
Microwaves 6 cm
Radio Waves 7 cm
spectrum on:
p. 484 & 678

8. What is a radio-telescope?

9. How we “see” the universe:
this is a
RADIO TELESCOPE
we use this information to study galaxies