1. 1. 2. 3. Y11 INTERVENTION : Star life cycle
5 mins EXAM CONDITIONS demand 1 Question (grade 4/5)
5 mins go through mark scheme 2.
10 mins Walking talking demand 2 Question (grade 6/7) 3.
5 mins EXAM CONDITIONS demand 3 Question (grade 8/9)
5 mins go through mark scheme

2. 1.
5 mins

3. Explosion of a ( large) star
earth
sun 1.
5 mins
milky way
Only very massive stars become supernova
universe
Mira is large enough,
the sun is too small

4. 1. 2. 3. Y11 INTERVENTION : Star life cycle
5 mins EXAM CONDITIONS demand 1 Question (grade 4/5)
5 mins go through mark scheme 2.
10 mins Walking talking demand 2 Question (grade 6/7) 3.
5 mins EXAM CONDITIONS demand 3 Question (grade 8/9)
5 mins go through mark scheme

5. 2.
10 mins

6. 2.
10 mins
red super giant
supernova
black hole

7. 2.
10 mins

8. 2. Fusion takes place inside stars Hydrogen fuses to form helium
10 mins
Fusion takes place inside stars
Hydrogen fuses to form helium
Fusion continued and formed heavier elements
hydrogen
Elements heavier than iron
were formed in supernova
Heavy elements were
scattered by supernova explosions
supernova
Red supergiant

9. 1. 2. 3. Y11 INTERVENTION : Star life cycle
5 mins EXAM CONDITIONS demand 1 Question (grade 4/5)
5 mins go through mark scheme 2.
10 mins Walking talking demand 2 Question (grade 6/7) 3.
5 mins EXAM CONDITIONS demand 3 Question (grade 8/9)
5 mins go through mark scheme

10. 3.
5 mins

11. 3. Star runs out of hydrogen Sun becomes a red giant
5 mins
Star runs out of hydrogen
Sun becomes a red giant
Sun’s temperature decreases luminosity increases
Sun becomes a white dwarf
Sun’s temperature increases luminosity decreases

12. 1. 2. 3. Y11 INTERVENTION : Star life cycle
5 mins EXAM CONDITIONS demand 1 Question (grade 4/5)
5 mins go through mark scheme 2.
10 mins Walking talking demand 2 Question (grade 6/7) 3.
5 mins EXAM CONDITIONS demand 3 Question (grade 8/9)
5 mins go through mark scheme

14. Can pass through the ionosphere/ atmosphere3.
5 mins
transverse
Travel at 300,000,000 m/s
through space / vacuum
Can pass through the ionosphere/ atmosphere
3.0 x = f
2.5 x 102
V = f λ
f = x106 Hz
V = f λ