Working and speaking scientifically

Question 1

Define

Hypothesis

Answer 1

A testable statement or prediction based on observations and prior knowledge.

Question 2

Define

Theory

Answer 2

A well-substantiated explanation of some aspect of the universe based on a body of evidence.

Question 3

Define

Law

Answer 3

A statement that describes an observable phenomenon that always occurs under certain conditions.

Question 4

Define

Varible

Answer 4

Any factor or condition that can be controlled or changed in an experiment.

Question 5

Define

Independant varibles

Answer 5

The variable that is being changed during the experiment

Question 6

Define

Dependant varible

Answer 6

The variable being tested or measured during the experiment

Question 7

Define

Control varibles

i.e:Control group

Answer 7

A variable which must be kept the same so that the result of the experiment is not affected.

Question 8

What are the top 8 lab rules to working saftely in a lab

Answer 8

1. Do not enter the lab without permission
2. To keep everyone safe in the lab, a member of staff must be present. …
3. Dress for practical work …
4. Follow instructions from the person in charge …
5. Make sure your working area is safe …
6. Never run in the lab …
7. Don’t eat or drink …
8. Do not taste or sniff chemicals …
9. Never leave an unattended Bunsen burner on a blue flame …

Question 9

Which axis do these varibles belong on:
* Independant
* Dependant

Answer 9

• Y
• X

Question 10

Define

Line of best fit

Answer 10

A line that goes roughly through the middle of all the scatter points on a graph.

Question 11

What does a formula triangle look like, based on a/b=c

Answer 11

b
a    c

Question 12

Define

Peer Review

Answer 12

The process of evaluation by other experts in the field to ensure the validity and quality of scientific work.