Vocabulary

Question 0

Indirect evidence

Answer 0

Evidence gathered without seeing or touching the object

Question 1

Black Box Experiment

Answer 1

Experiments done using only indirect evidence

Question 2

Models

Answer 2

Mental picture made using familiar ideas to explain unfamiliar facts

Question 3

Inference

Answer 3

Conclusions made based on evidence

Question 4

Subatomic particles

Answer 4

Particles smaller than an atom

Question 5

Nucleus

Answer 5

The center of the atom

Question 6

Atomic mass unit(AMU)

Answer 6

A special unit used to measure subatomic particles

Question 7

Electron cloud

Answer 7

The area around a nucleus that electrons occupy based on their energy level

Question 8

Atomic number

Answer 8

The number or protons in an atom

Question 9

Isotopes

Answer 9

An element with matching protons but differing number of neutrons

Question 10

Mass number

Answer 10

The most common isotope indicates the number of protons and neutrons in the nucleus

Question 11

Atomic mass

Answer 11

An average of the existing isotopes

Question 12

PROTON
location
mass
charge

Answer 12

Nucleus
1 AMU
positive

Question 13

NEUTRON
location
mass
charge

Answer 13

Nucleus
>1 AMU
No charge

Question 14

ELECTRONS
location
mass
charge

Answer 14

Electron cloud
.0006 AMU
negative