Vocab Unit 1

Question 1

Atom

Answer 1

The smallest part of a substance

Question 2

Chemical Property

Answer 2

describes how a substance changes or reacts to form other substances

Question 3

Compound

Answer 3

a pure substance made up of 2 or more elements

Question 4

control

Answer 4

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

Question 5

Controlled experiment

Answer 5

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

Question 6

Problem

Answer 6

the question being asked in the experiment

Question 7

Hypothesis

Answer 7

a scientific guess answering the problem question

Question 8

Variables

Answer 8

the factors being manipulated for the experiment. Manipulated, dependent, controlled

Question 9

materials

Answer 9

the list of supplies needed for the experiment

Question 10

procedure

Answer 10

steps to conduct the experiment

Question 11

observations

Answer 11

written statement of what is observed

Question 12

conclusion

Answer 12

the conclusion should answer the problem question