Natural Science: exam MATTER

This is a molecule because...

• the atoms are separated

• the atoms are joined

This is ...

• an atom

• a molecule

Which elephants have more volume?

• 1,2 and 5

• 1, 3 and 4

• 2 and 5

• 3

Which one has more mass?

• The frog

• The leaf

A diamond is...

• hard and fragile

• hard and soft

• hard and elastic

• hard and tough/resitant

When a material is easy to break , it is...

• soft

• fragile

• elastic

• tough

Which mixture is homegeneous?

• 1

• 2

When the molecules of a mixture mix up and we can't separate them, it is...

• a homogeneous mixture

• a heterogeneous mixture

When matter changes of temperature is...

• a chemical change

• a physical change

When there is an explosion of fireworks, it is a...

• chemical change

• physical change