Physics revision flashcards
- Created by: Jess <3
- Created on: 15-01-13 14:32
| O | E | Y | E | K | N | E | W | T | O | N | S | T | H | I | R | D | L | A | W | D |
| N | H | M | R | A | O | F | R | W | E | Q | P | K | Y | I | E | M | H | W | U | D |
| P | K | Y | P | B | G | U | C | F | B | E | I | D | S | T | A | N | L | L | A | M |
| M | J | N | M | N | X | P | L | K | O | X | L | B | W | B | L | E | K | S | A | C |
| R | C | P | D | B | K | O | D | L | X | T | C | U | W | N | L | Q | L | N | A | T |
| P | V | Q | F | J | S | Q | D | N | Q | T | L | F | C | L | G | A | L | E | G | N |
| B | J | O | P | E | N | I | N | G | A | P | A | R | A | C | H | U | T | E | W | V |
| M | T | Y | C | O | N | T | R | O | L | L | I | N | G | F | U | S | I | O | N | S |
| Q | A | T | N | U | C | L | E | A | R | F | I | S | S | I | O | N | C | E | M | P |
| C | O | N | T | R | O | L | L | I | N | G | A | R | E | A | C | T | I | O | N | X |
| C | S | K | Q | B | F | J | Q | J | M | S | R | Y | G | Y | Y | E | O | O | M | M |
| V | T | D | D | J | M | M | E | L | R | M | E | D | C | L | F | M | Y | D | J | P |
| T | L | S | P | E | E | D | A | N | D | V | E | L | O | C | I | T | Y | N | M | N |
| I | H | S | E | R | I | E | S | C | I | R | C | U | I | T | S | C | B | R | U | D |
| I | U | H | A | L | F | L | I | F | E | O | F | I | S | O | T | O | P | E | S | R |
| B | P | A | R | A | L | L | E | L | C | I | R | C | U | I | T | S | D | R | O | U |
| H | X | K | H | Y | O | F | B | R | R | T | X | I | M | C | H | V | O | Q | D | H |
| W | R | O | F | Y | N | D | N | E | I | L | V | I | U | V | E | D | W | B | B | Q |
| U | G | E | I | G | E | R | C | O | U | N | T | E | R | M | L | T | C | R | M | L |
| O | M | C | H | D | R | R | F | Q | V | V | C | W | S | L | P | G | P | Q | O | F |
| P | W | S | W | S | V | M | X | X | K | U | U | A | A | N | H | G | C | G | P | X |
Clues
- a device for measuring radiation. It sensitively detects ionising radiation (6, 7)
- Control rods, usually made of graphite or boron, absorb neutrons. Raising or lowering the control rods controls the rate of fission and hence the power output of the reactor. Incased in concrete to reduce risk of gamma penitrating into environment. (11, 1, 8)
- Current ( measured by an ammeter )= Same all way round. Current is the measure of the rate of flow of negatively charged electrons (6, 8)
- Current= Splits and current going into a junction is the same as going out. Voltage = Same around circuit (8, 8)
- For every action force, there is an equal and opposite reaction force (7, 5, 3)
- Increases air resistance on the descent module as the area in contact to air increases, causing the descent module to decelerate rapidly reducing its velocity to a slower velocity (7, 1, 9)
- Isotopes with very long half lives remain radio active for a long time whereas isotopes with very short half lives only remain radioactive for fractions of seconds (4, 4, 2, 8)
- Nuclear fusion reactors produce huge numbers of high energy neutrons which need to be contained to prevent damage to the human operators. (11, 6)
- Speed= Measure of how fast or slow somethings moving. Velocity= speed in a given direction (5, 3, 8)
- Using the breaking up of U-235 into two nuclei to produce heat energy. If the daughter nuclei are bombarded with slow moving neutrons , fission occurs producing slow moving neutrons etc ( chain reaction) (7, 7)
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