2G - Unit 2 Materials (Review) | Baamboozle - Baamboozle

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If the opposite of soft is hard, what are the opposites of smooth, waterproof, strong, flexible, heavy, and transparent?

smooth - rough; waterproof - absorbent; strong - weak; flexible - rigid; heavy - light; transparent - opaque

Give three properties of paper.

absorbent, flexible, lightweight...

Name three materials that are rigid

glass, concrete, steel...

Give three properties of glass.

transparent/clear, smooth, hard, waterproof...

Give three properties of metal.

waterproof, strong, shiny, hard...

If paper is made from wood pulp, then glass is made from ____, while plastic is made from _____.

Glass is made from SAND, while PLASTIC is made from OIL (fossil fuel)

Name one object that is made from the following materials: wood, rubber, plastic, glass, metal, concrete, and fabric

wood - table; rubber - tire; plastic - bottle; glass - window, metal - coin; concrete - bridge; fabric - clothes

Is it good to make boats using paper? Why or why not?

It's not good to make a boat out of paper because it's absorbent.

Name at least five materials.

wood, plastic, glass, metal, rubber, fabric, concrete...

What happens when we make a raincoat out of cotton?

we will get wet because it's absorbent

Things that ________ are light for their size.

float

sink

Give 3 examples of things that are absorbent.

paper, fabric, sponge...

What material is best to use for a raincoat? Why?

Plastic because it's waterproof

What happens to the coin when you put it in water?

it sinks

Give 3 things that are made from fabric.

clothes, pillows, blanket...