Natural and Processed Materials 4G

What is the best definition of a material?

• Something that you can find naturally in the ground.

• The type of matter an object is made from.

• Something you wear every day.

• Something that is made from plastic.

What are materials that are unchanged from the way they have been formed in nature?

• Natural materials

• Processed materials

• Man made materials

• Synthetic materials

Which materials are natural materials from living things?

• silk, wood and metal

• wood, wool and stone

• silk, wood and wool

• wool, silk and minerals

What are materials that have been changed or altered in some way by people?

• Raw materials

• Unprocessed materials

• Natural materials

• Processed materials

Which materials are processed materials?

• plastic, wood and concrete

• glass, plastic and concrete

• wool, glass and plastic

• glass, concrete and stone

Natural and processed materials have _______________ or characteristics that make them different from one another.

• properties

• colours

• chemicals

• odours

Absorbent materials are able to _____________ water.

• leak

• repel

• soak up

• use

What are materials called that repel water?

• waterproof materials

• absorbent materials

• porous materials

• soaked materials

Which material will dry quickly?

• A very absorbent material.

• A less absorbent material.

How does density affect an object sinking or floating in a liquid?

• Density doesn't affect an object sinking or floating in a liquid.

• If an object has a higher density than the liquid it will float and if

  if an object has a lower density than the liquid it will sink.

• If an object has a higher density than the liquid it will sink and if

  if an object has a lower density than the liquid it will float.

• All objects sink.