Unit 1

Question 1

the smallest particles, that are all the same, of a substance

Answer 1

atom

Question 2

describes how a substance changes or reacts to form other substances

Answer 2

chemical property

Question 3

a pure substance made up of two or more elements

Answer 3

compound

Question 4

to keep constant all the variables that can affect the dependent variable, except the one being tested

Answer 4

control

Question 5

an investigation in experiment, which a scientist changes or manipulates one variable, to find the effect of this variable on another (dependent) variable

Answer 5

controlled experiment

Question 6

What are the parts of the Scientific Method Theory?

Answer 6

problem, hypothesis, variables, materials, procedure, observations, and conclusion

Question 7

the question being asked in the experiment

Answer 7

problem

Question 8

a scientific guess answering the problem question.

Answer 8

hypothesis

Question 9

the factors being manipulated for the experiment ( manipulated, dependent, controlled )

Answer 9

variables

Question 10

the list of supplies needed for an experiment

Answer 10

materials

Question 11

steps to conduct the experiment

Answer 11

procedure

Question 12

written statement of what is observed

Answer 12

observations

Question 13

this should answer the problem question

Answer 13

conclusion

Question 14

name the three types of variables

Answer 14

manipulated, controlled, and dependent