More cards in this set

Card 16

Front

What might you now use to fix the handle of a coffee mug that Dr Harry Cooper discovered in 1952 and rejected because it was too sticky?

Back

Preview of the front of card 16

Card 17

Front

What word was used in connection with radio and television originally came from an agricultural term referring to the scattering of seeds?

Back

Preview of the front of card 17

Card 18

Front

The number of protons in the nucleus of an atom is known by what term?

Back

Preview of the front of card 18

Card 19

Front

What black powder did the Chinese invent to make fireworks?

Back

Preview of the front of card 19

Card 20

Front

Why is blinking good for your eyes?

Back

Preview of the front of card 20

Card 21

Front

The invention of what machine brought about the Industrial Revolution of the 1700s and 1800s?

Back

Preview of the front of card 21

Card 22

Front

The word cardiac refers to what part of the body?

Back

Preview of the front of card 22

Card 23

Front

At room temperature what form does helium take?

Back

Preview of the front of card 23

Card 24

Front

How many faces does an octahedron have?

Back

Preview of the front of card 24

Card 25

Front

The trachea is another name for what?

Back

Preview of the front of card 25
View more cards