Trimester 1

Question 1

List the 6 steps of the scientific method in order

Answer 1

1. State the problem
2. Observations
3. Hypothesis
4. Experiment
5. Data analysis
6. Draw Conclusion

Question 2

On a graph, the independent variable on the __1__ axis and the dependent variable goes on the __2__ axis.

Answer 2

1. x-axis

2. y-axis

Question 3

What are the three states of matter?

Answer 3

Solid, Liquid, and Gas

Question 4

____1____ is the property of a substance that allows it to easily transfer heat and electrical charges.

Answer 4

Conduction

Question 5

In a __1__ particles are closely packed together.

Answer 5

Solid

Question 6

__1__ is the state of matter that has the highest density.

Answer 6

Solid

Question 7

__1__ is the state of matter that has the lowest conductivity.

Answer 7

Gas

Question 8

Heterogeneous Mixture-

Answer 8

a mixture in which molecules are not evenly distributed.

Question 9

Homogeneous Mixture-

Answer 9

a mixture in which molecules are evenly distributed.

Question 10

Physical Change-

Answer 10

a change in the state of phase of matter that does not affect the chemical properties of matter

Question 11

Pure Substance-

Answer 11

a substance that can not be separated by physical means.

Question 12

Group 1-12 :
Group 17:
Group 18:

Answer 12

Metal
Halogens
Noble Gases

Question 13

Proton-

Answer 13

the particle inside of the nucleus with a charge of 1+

Question 14

Electron-

Answer 14

the particle with a charge of 1-, located surrounding the nucleus.

Question 15

Neutron-

Answer 15

The electricity neutral particle, located in the nucleus.

Question 16

Atom-

Answer 16

This is the smallest particle of an element that still has the properties of the element.

Question 17

Electron Cloud-

Answer 17

Where electrons are most likely found, located outside the nucleus.

Question 18

Nucleus-

Answer 18

Small, positively charged center charged center of atom, contains protons + neutrons.

Question 19

Compound-

Answer 19

an entity consisting of two or more different atoms.

Question 20

What does the Atomic Number represent?

Answer 20

How many protons and electrons are in the atom.