Matter
True or false: Living things, water, and air, are all matter.
True
How many states of matter are there?
Three
(Solid, liquid, gas)
True or false: All materials are natural.
False — some materials are man-made.
True or false: Matter can change — there are 2 types of changes: physical and chemical.
True
What is not matter?
True or false: Solids and liquids do not change their shape.
False — liquids can change shape.
Where does wood come from?
From trees.
Is combustion a physical change or a chemical change?
Physical change
The amount of matter in an object is:
Mass
What is water in a solid state called?
Ice
What is 'la seda' in English?
Silk
How do you say 'materias primas' in English?
Raw materials
Mass is measured in ____________ and volume is measured in _____________.
Grams/kilograms
Litres
When a liquid is heated and it changes into a gas, it is called _______________.
Evaporation
What material comes from minerals?
Rocks
What is 'el cuero' in English?
Leather
Give one example of a property of matter.
Colour, smell, shine, or hardness.
When a solid is heated and it changes into a liquid, it is called ________________.
Melting
Give two examples of man-made materials.
Paper, plastic, pottery (ceramics), or metal.
What is plastic made from?
Petroleum