More cards in this set

Card 6

Front

material made of two or more materials

Back

Preview of the front of card 6

Card 7

Front

artificial stone made of cement, sand and stones

Back

Preview of the front of card 7

Card 8

Front

using a material again

Back

Preview of the front of card 8

Card 9

Front

able to be broken down by microorganisms in the soil

Back

Preview of the front of card 9

Card 10

Front

breaking down a material using heat

Back

Preview of the front of card 10