More cards in this set

Card 6

Front

how old is the sun?

Back

Preview of the front of card 6

Card 7

Front

where does the sun's energy come from?

Back

Preview of the front of card 7

Card 8

Front

what are the 2 ways of working out the distances to stars?

Back

Preview of the front of card 8

Card 9

Front

what is light pollution?

Back

Preview of the front of card 9

Card 10

Front

what is a light year?

Back

Preview of the front of card 10

Card 11

Front

what is the frequency of waves?

Back

Preview of the front of card 11

Card 12

Front

what is the big bang theory and when was it predicted to have happened?

Back

Preview of the front of card 12

Card 13

Front

which waves can travel through solids and liquids and which cant?

Back

Preview of the front of card 13