Chemical and molecular forms
What is the chemical form of rust?
(Fe 2 O 3)
Running in the lab is ok if you are not using chemicals true or false
False
A change of state from a liquid to a solid is called....
freezing
What chamber pumps blood to the body?
left ventricle
The temperature at which a solid turns into a liquid...
Melting point
What is the chemical form for Carbon dioxide?
(co2)
When you are smelling a chemical you should
fan the smell toward you
The phase change from water vapor to liquid water is known as...
condensation
The __________ is the main organ of the nervous system.
Brain
Temperature is the measure of _______________ energy.
Kinetic
What is the chemical form for water?
(h20)
When heating a substance in a test tube, the test tube should be pointed
Away from you and others
What is an example of evaporation?
water boiling
The air I breathe in goes down my trachea to my ______?
Lungs
Icicles are the same as water. True or false
True
What is he chemical form for oxygen?
(O2)
Before you begin a lab, you must get teachers permission true or false
TRUE
Molecules are closest together in a?
Solid
Arteries carry blood ______ from the heart.
away
What are three states of matter?
solid, liquid, gas
what toxins are in mold?
mycotoxins
If your lab partner gets chemicals in his/her eyes, the first thing you should do is
Take them to eye wash and tell the teacher immediately
What is it called when a solid turns directly into a gas?
subulation
The main purpose of the ____________ system is to break food particles into pieces that can be used.
digestive
When a substance melts, freezes, condenses, or boils, it is a ___________ _________ .
change of state