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AQA GCSE PHYSICS UNIT 1 Question Game!

*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!

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Reply 1
Avatar for IAmAnTroll
IAmAnTroll
OP
4
Describe the lifecycle of a star (6 marks).
What is a virtual image? (1mark)
Ok explain how convection works ...
Reply 4
Avatar for plex-
plex-
8
Original post by IAmAnTroll
Describe the lifecycle of a star (6 marks).


Fairly certain that's on P2
Reply 5
Avatar for IAmAnTroll
IAmAnTroll
OP
4
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
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.
Reply 7
Avatar for IAmAnTroll
IAmAnTroll
OP
4
Refraction
Reply 8
Avatar for IAmAnTroll
IAmAnTroll
OP
4
What is refraction
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?
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?
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
Reply 12
Avatar for IAmAnTroll
IAmAnTroll
OP
4
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,
Reply 13
Avatar for Mahrez
Mahrez
12
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
Reply 14
Avatar for onderk
onderk
9
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?
What's the difference between refraction and diffraction?
Reply 16
Avatar for Mahrez
Mahrez
12
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
Q: Explain the role of step up and step down transformers
Reply 18
Avatar for Mahrez
Mahrez
12
Explain how convection occurs in an immersion heater?
Original post by IAmAnTroll
Describe the lifecycle of a star (6 marks).


pretty sure that is not p1

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