Unit 1- Forces and magnetism

What is the mass of an object?

• The amount of matter in an object

• The amount of space an object occupies

• The weight of an object in water

• The density of an object

What is the volume of an object?

• The amount of matter in an object

• The amount of space an object occupies

• The weight of an object in water

• The density of an object

Where do materials come from?

• Ground

• Animals

• Factories

• Rivers

What are raw materials?

• Materials found in nature

• Materials made by humans

• Materials that are recycled

• Materials that are synthetic

What is an example of a man-made material?

• Wood

• Plastic

• Cotton

• Wool

What is the hardest naturally occurring material?

• Diamond

• Talc

• Gold

• Iron

What happens when you apply force to elastic materials?

• They change shape and return to original

• They break

• They become rigid

• They dissolve

What is friction?

• A force that stops things moving

• A type of material

• A type of energy

• A type of mass

What are non-contact forces?

• Forces that act without contact

• Forces that require contact

• Forces that are weak

• Forces that are strong

What are the two main types of forces?

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