, QUESTION 1
Answer the following questions by filling in the missing word(s):
1.1 Define matter. (2)
Matter is anything that occupies space and has mass.
1.2 What are molecules made of? (2)
Molecules are groups of atoms bonded together.
1.3 Describe the particle arrangement in a solid. (2)
In a solid, particles are closely packed together.
1.4 At what temperature do particles of matter move? (1)
Particles of matter move at any temperature above 0 Celsius.
1.5 Explain how temperature affects the state of matter. (2)
When temperature changes, the state of matter can change from one form
to another.
1.6 What happens to the particles when a substance freezes? (1)
When a substance freezes, the particles move closer together (or slow
down and form a fixed structure).
Answer the following questions by filling in the missing word(s):
1.1 Define matter. (2)
Matter is anything that occupies space and has mass.
1.2 What are molecules made of? (2)
Molecules are groups of atoms bonded together.
1.3 Describe the particle arrangement in a solid. (2)
In a solid, particles are closely packed together.
1.4 At what temperature do particles of matter move? (1)
Particles of matter move at any temperature above 0 Celsius.
1.5 Explain how temperature affects the state of matter. (2)
When temperature changes, the state of matter can change from one form
to another.
1.6 What happens to the particles when a substance freezes? (1)
When a substance freezes, the particles move closer together (or slow
down and form a fixed structure).
