Safety symbols & scientific inquiry

Question 0

What are the HHPS symbols and what are they telling you

Answer 0

1. Flammable- flames
2. Corrosive- skeletal hand in liquid
3. Poisonous- Scull and cross bones
4. Explosive- circle exploding

Question 1

Name all the WHMIS symbols, Then think of the images in your head

Answer 1

1. Poisonous material ( immediate and serious toxic effects) - the scull and crossbones
2. Dangerously reactive material - and R with a test tube in it
3. Compressed gas- a tube that’s smaller at one end
4. Corrosive material- a hand with toxic stuff being poured on it
5. Poisonous material ( other toxic effects) - a T with a dot at the bottom
6. Flammable and combustible material - flames on a line
7. Oxidizing material - flames an an O
8. Bio hazardous waste- those ring things

Question 2

What does the shape around the HHPS symbol tell you

Answer 2

Triangle- caution
Diamond- warning
Octagon- danger

Question 3

What is a dependant variable

Answer 3

The thing that will be measured or observed

Question 4

What is an independent variable

Answer 4

The thing that will be changed

Question 5

What are control variables

Answer 5

The conditions that have to be kept constant so that a fair test can be made