science

Question 1

Steps in the Scientific Method: 6

Answer 1

Ask a question,
Research,
Form a hypothesis,
Conduct an experiment,
Analyze data,
Draw conclusions,

Question 2

Independent Variable

Answer 2

the one you can change, cause

Question 3

Dependent Variable

Answer 3

the one you measure, effect

Question 4

Control variables

Answer 4

the ones kept the same

Question 5

Solids:

Answer 5

Fixed shape & volume, particles vibrate in plac

Question 6

Liquids:

Answer 6

Definite volume, takes shape of container, particles slide past each other.

Question 7

Gases:

Answer 7

No fixed shape or volume, particles move freely.

Question 8

Physical Property:

Answer 8

Can be observed without changing the substance (e.g., color, density).

Question 9

Chemical Property

Answer 9

Describes how a substance reacts (e.g., flammability, rusting).

Question 10

Pure Substances:
Elements:
Compounds:

Answer 10

One type of atom (e.g., oxygen).
Two or more atoms bonded (e.g., water).

Question 11

mass

Answer 11

Mass: Amount of matter, measured in grams (g)