Science Final Exam Review

Question 1

What is the charge of an electron?

Answer 1

Negative

Question 2

What is the charge of a proton?

Answer 2

Positive

Question 3

What are two main classifications of matter?

Answer 3

Substances and mixtures

Question 4

Which is a substance: Copper(Cu),Trail mix,Milk,Saltwater

Answer 4

Copper(Cu)

Question 5

Which is a mixture: NaCI dissolved in water,Salt(NaCI),Water(H2O),Hydrogen(H2)

Answer 5

NaCI dissolved in water

Question 6

What type of mixture is lemonade?

Answer 6

Homogenous

Question 7

What property of matter allows substances to be separated using filtration(a strainer)

Answer 7

Particle size

Question 8

Can the composition of a compound vary?

Answer 8

NO

Question 9

List three size dependent properties of matter

Answer 9

Mass, volume, and weight

Question 10

List five size independent properties

Answer 10

Melting point ,boiling point ,density ,conductivity and solubility.

Question 11

Why does weight change with location?

Answer 11

The pull of gravity

Question 12

Which will boil at a higher temperature, 25 cups of water or five cups?

Answer 12

Same boiling point