Density

Question 1

Mass

Answer 1

Measure of the amount of matter of an object

Question 2

Volume

Answer 2

Amount of space an object takes up

Question 3

Density

Answer 3

Amount of mass in a given volume of matter

Question 4

What is the arrangement of particles in a solid?

Answer 4

Very close ; in set patterns

Question 5

What is the arrangement of particles in liquids

Answer 5

Spread out ; no set pattern

Question 6

What is the arrangement of particles in Gases

Answer 6

Very wide spread out; no pattern

Question 7

Why are some materials more dense than others?

Answer 7

The mass of the individual particles. The larger the mass of the particles that make up that substance, the more dense the substance is.

Question 8

Which materials float on liquids and why?

Answer 8

Any material that is less dense than a liquid material will float on it. If it is more dense than it will float on it.
E.g. oil floating on water
• a small amount of oil can spread over a large area of water, making it a very bad pollutant.
*you should never oil down a storm water drain - these drains lead to rivers