More cards in this set

Card 16

Front

How do emulsion paints dry?

Back

Preview of the front of card 16

Card 17

Front

How do oil paints dry?

Back

Preview of the front of card 17

Card 18

Front

What are phosphorescent pigments useful for?(2)

Back

Preview of the front of card 18

Card 19

Front

Why do phosphorescent pigments glow in the dark?

Back

Preview of the front of card 19

Card 20

Front

What used to be used for glow-in-the-dark watch faces? Which is safer?

Back

Preview of the front of card 20