Name one material that can be recycled.
Materials are substances that make up things in the world around us. Examples include wood, metal, plastic, glass, rubber, fabrics, and paper. Different materials are used to make different objects because of the properties they have. For example, metal is strong, and plastic is waterproof. Some materials are natural, like wood from a tree, and some are man-made, like plastic from a factory.
Materials: What are they made of?
Which material do you like best for making a toy car?
Diamonds are not the hardest material on Earth. In fact, the hardest material on Earth is a substance called aggregated diamond nanorods. Graphene is the strongest material in the world. It is 200 times stronger than steel. The substance aerogel is the lightest solid material in the world. It is made up of tiny air pockets, which makes it weigh only three times more than air.
Did you know?
Each material has its own properties Physical Properties: Characteristics of a material that can be observed such as: Strength Flexibility Transparency Ability to float or sink in water Waterproof
Properties: How are materials different?
Name up to three objects whose property is Strength.
Name up to three objects whose property is Flexibility.
Name up to three objects whose property is Waterproof.
If you could choose one property to apply to yourself, what would it be?
- Ability to Float
Draw one object around you that is made of different materials? Why do you think these materials were chosen for these objects?
What have you learned about the different types of materials? What surprised you the most?