Science term 2 grade 8

Question 1

This substance can be beaten into shape without breaking
(metal or non metal)

Answer 1

metal

Question 2

Things put into a container made of this substance will stay hot for a long time
(metal or non metal)

Answer 2

non metal

Question 3

This substance heats up when electricity flows through it
(metal or non metal)

Answer 3

metal

Question 4

This substance reflects light well
(metal or non metal)

Answer 4

metal

Question 5

This substance heats up quickly when exposed to fire
(metal or non metal)

Answer 5

metal

Question 6

This substance stops people getting a shock when touching electrical wires
(metal or non metal)

Answer 6

non metal

Question 7

what is a compound?

Answer 7

A pure substance that contains 2+ elements
they are bonded together chemically

Question 8

What is a monatomic element?

Answer 8

A single atom
often known as a noble gas
they are non-metals
gas at room temperature

Question 9

What is a molecule?

Answer 9

2 or more atoms bonded together
mostly non metals

Question 10

What is a lattice?

Answer 10

a grid like structure of atoms
they are metals

Question 11

What is a mixture

Answer 11

a mix of elements and/or compounds
they can be separated
are NOT a pure substance

Question 12

What are the types of mixtures

Answer 12

A solution
A suspension
A colloid

Question 13

What is diffusion?

Answer 13

When particles move from areas of high concentration to low concentration to fill a space

Question 14

What is a pure substance?

Answer 14

A substance made of only one element