Page 119 - Knowledge Organiser Yr7 24-25

2. Scientific safety
What are the 10 basic rules of working in a Science lab?
1. Do not enter the lab without permission.
2. Dress for practical work (hair tied back and ties tucked in).
3. Follow instructions from the person
in charge.
4. Make sure your working area is safe (bags and coats tucked under benches).
5. Never run in the lab.
6. Don’t eat or drink in the lab.
7. Do not taste or sniff chemicals.
8. Never leave an unattended Bunsen burner on a blue flame.
9. Do not touch the electrical sockets without permission.
10. In the case of accidents, tell
an adult.
1. Scientific Equipment
What is the drawing and purpose for the following pieces of scientific equipment?
Equipment
Drawing
Purpose
test tube
Mixing chemicals to observe chemical reactions
boiling tube
Heating chemicals to observe chemical reactions
test tube rack
For safely holding test tubes and boiling tubes
clamp stand
To support other pieces of equipment and glassware
Clamp
To support other pieces of equipment and glassware
Beaker
For holding larger volumes of liquid
conical flask
To contain or mix liquids
spatula
For transferring small quantities
of solid from one container to another
Equipment
Drawing
Purpose
Thermometer
Measuring the temperature in oC
stirring rod
Stirring chemicals to speed up dissolving or a chemical reaction
pipette
For transferring very small volumes of liquid from one container to another
tripod
Safely supporting objects above a Bunsen burner
evaporating dish
For the evaporation of solutions
Bunsen burner
To heat up substances or objects
gauze
Safely supporting objects above a Bunsen burner and to spread the heat
measuring cylinder
For accurately measuring volumes of liquid
heatproof mat
Protecting the bench and safely storing hot objects
119
Knowledge Base: Science 7.1 Working scientifically Year 7