A force is a simply push or pull in a particular direction. True or false?
True
10
What type of forces there are?
Contact Forces and non-contact forces
15
What are natural materials? Give some examples
Materials that can be found in the nature. They come from animals. Examples: Wool, cork, marble, water, wood and cotton
20
What are manufactured materials? Give some examples
Manufactured materials that go through a chemical or physical transformation so a new material results. Examples: Plastic, Paper, Steel, Oil and concrete.
20
Can you name the different types of contact forces?
Friction and buoyant
15
Can you name the different types of non-contact forces
Gravity and magnetism
15
Can you name some materials properties?
Colour, Hardness, Resistance, Elasticity, thermal conductivity and solubility
15
what is density?
Is the relationship between mass and volume, the amount of matter something contains and the space it occupies