Random
What is the penalty for late work?
25%
The first thing you do if you break glass
Tell the teacher
Unit for mass
grams
What is a qualitative observation
Observations made with 5 senses
Anything with mass, and takes up space
matter
What is the only food/drink allowed in class?
water
When is it ok to run in the lab?
never
Convert 12mg to g
0.012g
What is a quantitative observation?
Observations with numbers from measuring or counting
Give 2 examples of a physical property
answers will vary
What percent of your grade are tests and quizzes
60%
When is it ok to eat during a lab?
When given permission
Unit for density
g/cm3 or g/ml
What is an inference?
A guess based on observations
What negatively charged particle is on the outside of the nucleus of an atom?
electron
What is a botanist?
A plant scientist
The method used to smell substances
Wafting
Tool used to measure mass
Triple beam balance
Give an example of a qualitative observation
A substance made up of 2 or more different atoms
compound
What is an entomolygist?
An insect scientist
If you spill water, what is the first thing you should do?
Clean it up, chemical spills should be reported to the teacher
What tool should be used to measure width of a wall?
Meter stick
Give an example of a quantitative observation
answers will vary
Describe a homogeneous mixture, and give an example
a mixture that appears as one substance, examples will vary