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# AQA GCSE PHYSICS UNIT 1 Question Game! watch

1. *You* have to ask the person above you a question, *THEN* you have to answer the question the person below you asks you!

Start me off someone!
2. Describe the lifecycle of a star (6 marks).
3. What is a virtual image? (1mark)
4. Ok explain how convection works ...
5. (Original post by IAmAnTroll)
Describe the lifecycle of a star (6 marks).
Fairly certain that's on P2
6. (Original post by hafsa473)
What is a virtual image? (1mark)
An image that cannot be formed on a screen because the rays of light that produce it only appear to pass through it
7. (Original post by laumax1401)
Ok explain how convection works ...
so like bascs the liquid (expands) or gas particles warm up and rise and become less dense, an then when they reach the top, they displace the colder particles, making them sink towards the bottom, then the cold particles are heated again - and it goes on "convection currents"

more energetic particles move from a hotter region to a cooler region and take their heat energy with them.
8. Refraction
9. What is refraction
10. (Original post by IAmAnTroll)
What is refraction
When waves change direction and speed due to crossing different boundaries in substances, eg. air to glass.
What is the big bang theory?
11. (Original post by IAmAnTroll)
What is refraction
A: When a wave (e.g. a light wave) changes direction when it enters a new medium because of the change in speed.

Q: What do the wavelength of the electromagnetic spectrum vary from?
12. (Original post by Blaze3211)
When waves change direction and speed due to crossing different boundaries in substances, eg. air to glass.
What is the big bang theory?
The Big Bang theory is a theory that teaches that the universe began expanding from one point in the universe due to one explosion. Scientists believe that living matter is still expanding today.

Q: explain red-shift
13. (Original post by jazz_xox_)
A: When a wave (e.g. a light wave) changes direction when it enters a new medium because of the change in speed.

Q: What do the wavelength of the electromagnetic spectrum vary from?
10^-15 to 10,000m
Gamma has the shortest wavelength and the highest frequency,
14. (Original post by jazz_xox_)
The Big Bang theory is a theory that teaches that the universe began expanding from one point in the universe due to one explosion. Scientists believe that living matter is still expanding today.

Q: explain red-shift
Red shift is when there appears to be an increase in the wavelength as a result it appears to be shifted in the red end of the spectra
15. You walk into your hole puncher and you see your pet emoji solving physics equations while being spooned by your aunty who is currently in the shower eating ketchup listening to music from the 26th century.

What is the answer to the physics equation that your pet emoji was solving?
16. What's the difference between refraction and diffraction?
17. (Original post by Justsomestudent1)
What's the difference between refraction and diffraction?
Refraction is when light enters from one medium to another it can either bend towards the normal or away from the normal.
Difraction is when sound waves passes through a gap, it can be heard. More diffraction occurs when the sound wave is similar to the gap size likewise if the gap size is bigger than the sound wave no diffraction occurs
18. Q: Explain the role of step up and step down transformers
19. Explain how convection occurs in an immersion heater?
20. (Original post by IAmAnTroll)
Describe the lifecycle of a star (6 marks).
pretty sure that is not p1

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