Lab Safety
What does PASS stand for when using a fire extinguisher?
P- Pull the pin
A- Aim
S- Squeeze
S- Sweep
What is carbon an example of?
an Element
What is Matter?
Anything that has mass and takes up space
What is an atom?
The smallest whole particle of matter
What is the first step of the scientific method?
What angle should you hold the test tube as it heats?
Hold 45 degrees away from everyone
True or False: Every compound is exactly the same as each individual element it contains
False
What is the smallest whole part of matter?
Atom
What is a ion?
An atom that carries an electrical charge
What is the second and third steps of the scientific method?
Do research and find a hypothesis
How long should you rinse out your eyes if you get any kind of chemical in them?
20 minutes
What is oil and water mixed together and example of?
Heterogeneous mixture
How many states of matter are there?
3
What are atoms with different types of neutrons, but the same number of protons called?
Isotopes
What is the fourth and fifth steps of the scientific method?
Test the hypothesis and review the data
In what situation should you use the power shower?
If clothing has caught on fire
What mixture is water and sugar dissolving and evenly distributing an example of?
Homogeneous
What are the states of matter?
Solids, liquids, and gas
what does the nucleus of an atom consist of?
Protos and neutrons
Share results
What kind of safety equipment should you always wear no matter the lab?
Eye protection and long sleeves
A pure substance is matter that has fixed composition and definite properties. Is apple juice a pure substance?
No
what are four ways matter changes from one state to another?
Melting, boiling, freezing, condensation
What are protons and neutrons wrapped together in the center of?
Atoms
What are the 6 steps of the scientific method listed in order?
Ask a question
Do research
Form a hypothesis
Test the hypothesis/ experiment
Review the data
Share the results