Properties of Matter
What are the 3 properties of matter?
Solid, liquid, and gas
What is the definition for Scientific Method?
A way of problem solving by making a hypothesis
Substances are made of 2 types of what
Particles
All injury’s are to be reported to who?
the teacher
What is the definition of percent error?
A comparison between comparison your experiment and actual value
What is the formula for density?
Dxm/v
What is the definition of a hypothesis?
An education guess
What are the 2 types of mixtures?
Heterogeneous and homogenous
Where should you dispose of any chemicals in the lab?
An appropriately labeled waste container
What’s the last step to solving a percent error problem
Multiplication
What is the formula for volume?
length x width x height
What is a procedure?
A set of organized steps to follow
What is an example of an heterogeneous mixture?
oil and water
True or False
Its a good idea to mix chemicals
False
What is the definition of matter?
Anything that had mass or takes up space
What general questions are asked in a problem?
Who, what, when, where
What is the definition of a homogeneous mixture?
A mixture that cant be distinguished from each other
What should you do if a teacher asks you to smell a chemical?
What is the formula of percent error?
Exp value - act value/ act value x 100
What is the definition of density?
The mass of a substance to the volume of the substance
What are the 5 steps to Scientific Method in order?
Problem, Hypothesis, Procedure, Data&Results, and Conclusion
Can a heterogeneous mixture mix?
No
What should you do with long hair while in the lab?
Tie it up
What’s the first step to solving a percent error problem
Subtracting