Lab Safety
What should you do if a chemical spills on your skin?
Wash it off with water and tell the teacher
What is the purpose of a course syllabus?
To explain class expectations and policies
•Which state of matter has definite shape and volume?
Solid
Is melting ice a physical or chemical change?
Physical change
What is a physical property?
Density, volume and mass, 5 senses
Why are safety goggles required during labs?
To protect your eyes from any chemicals.
What should you do if you are absent from class?
Ask teacher or peers for notes/assignments
Which state has definite volume but no definite shape?
Liquid
Why is burning wood a chemical change?
A new substance is formed
What is a chemical property?
Flammability, ability to rust
How should long hair be worn during experiments?
Up in a ponytail or bun, out the way.
Why is respect important in the classroom?
Listening and following rules
Which state has neither definite shape nor volume?
Gas
Name one sign of a chemical reaction.
Color change, smoke, smell, etc.
Which is a physical property: density or flammability?
Density
What is the correct way to smell a chemical?
Wafting
What happens if assignments are turned in late?
A penalty according to the syllabus
What happens to particles when a solid melts?
They move faster and spread out slightly
Which type of change forms a new substance?
Chemical change
Which is a chemical property: color or ability to burn?
Ability to burn
Why is horseplay dangerous in the lab?
Accidents and spills
Why should classroom rules be followed?
To maintain a safe learning environment
Which state of matter contains charged particles?
Plasma
Is boiling water a physical or chemical change?
Physical change
Is rusting a chemical property or chemical change?
Chemical change