Y11 INTERVENTION : Star life cycle

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Presentation transcript:

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

1. 5 mins

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

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. 10 mins

2. 10 mins red super giant supernova black hole

2. 10 mins

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

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

3. 5 mins

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

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

Can pass through the ionosphere/ atmosphere 3. 5 mins transverse Travel at 300,000,000 m/s through space / vacuum Can pass through the ionosphere/ atmosphere 3.0 x 108 = f 2.5 x 102 V = f λ f = 1.2 x106 Hz V = f λ

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