7. Which type of electromagnetic radiation travels at the greatest speed in a vacuum?
Radio waves
They don
They all travel at the same speed
Gamma radiation
8. Which piece of evidence supports the Big Bang theory?
The more distant galaxies are moving the quickest.
There
The more distant galaxies are moving the slowest.
The more distant galaxies are moving towards us.
9. About how long ago do scientists believe the universe began?
136 million years
13,600 million years
2012
1,360 million years
Yesterday
10. Why is the light from distant galaxies red-shifted?
It feels like it
They produce more red light than nearby galaxies.
The longer wavelengths are filtered out more by dust.
They are moving away from us.
Because its special
11. Which statement about using optical telescopes to view the stars is correct?
They only work when the wolves are out
They only work during the day.
They only work during the night.
They work day and night.
They don
12. What is one of the disadvantages of space telescopes?
They are difficult to maintain.
They look awful
THEY KILL FAIRIES
They only work during the night.
They can observe the whole sky.
13. Isotopes of an element are different from normal atoms of the same element because they have a different number of ...
... TomToms.
... bon bons.
... protons.
... neutrons.
... electrons
14. What happens when a nucleus splits?
A bigger nucleus is formed.
A FAIRY DIES
Radiation is released.
The world ends
A chemical reaction happens.
15. What particles are found in the nucleus of an atom?
Protons and neutrons
TomToms and BonBons
Protons and electrons
Neutrons and electrons
16. A teacher used a Geiger counter to measure the radiation of a radioactive rock. Wrapping the rock in paper and aluminium foil had no effect on the count rate. What does this tell us about the rock?
Its EVIL
The rock emits alpha radiation.
Its Haunted
The rock emits gamma radiation.
The rock emits beta radiation.
17. Which type of radiation will penetrate paper and aluminium foil but can be protected against with lead?
Chocolate
Alpha
Beta
Gamma
Kryptonite
18. How do we change the rate of emission of radiation from a radioactive object?
We can't change the rate
Feed it pork pies
Heat it up
Put it under pressure
CHEESEWUBABA
19. What happens to photographic film when it is exposed to radiation and then developed?
It goes darker.
It goes lighter.
Instant Cheese Puffs
BANG!!!!
It stays the same
20. What do radiation badges do?
They emit radiation for workers to use.
They monitor the radiation dose a worker receives.
They Allow you to be a member of the radiation police.
