Unit 13 Lesson 4

Question 1

Mixture

Answer 1

A combination of 2 or more substances that keep their identities

The parts of a mixture don’t undergo a chemical change only a physical change

Question 2

Solution

Answer 2

A mixture that has the same composition throughout.

Forms when one substance dissolves in another

Question 3

How can you separate a mixture?

Answer 3

1. Sieve/ mesh screen
2. Magnetic force
3. Filtration
4. Evaporation/ boiling

Question 4

Alloys

Answer 4

Mixtures of metals

The properties of the alloy depend on how much of each metal is in the mixture

Question 5

Density

Answer 5

The amount of matter in a given volume