Unit 1

What flame is this one?

• blue flame

• safety flame

• roaring flame

What is this?

• glass beaker

• flask

• measuring cilinder

• Tongs

Mention all the parts of the Bunsen Burner ( Don't press Enter before you written all)

What does this symbol mean?

• flammable

• poison

• corrosive

• oxidizer

What is this symbol?

• flammable

• corrosive

• poison

• health hazard

Mention 3 things that have to be in a line graph. ( Don't press Enter before you written all 3)

On the top of a line graph there should be a ...

(a)  

There are 2 mistakes on this bar chart.

Check the box that is missing on the bar chart( 2 boxes)

• bars not the same size

• no horizontal axis lable

• something missing on the scale

• not the same color

Mention 3 safety rules inside the lab.

What is this symbol?

• corrosive

• explosive

• high pressure

• biohazard