States of Matter
What are the three states of matter?
Solid, Liquid, and Gas
Burning wood is an example of what?
A chemical change
I have 10 grams of water and 5 grams of salt, how much salt water would I have if I mixed them together?
15 grams
Which body system controls the body?
What is all matter made of?
Molecules(atoms)
Melting butter is an example of what?
Physical Change
350 grams
Name one example of a unicellular organisim.
Bacteria, protozoa, alge
What determines which state of matter something will be in?
How fast the molecules are moving.
What kind of change will create a new substance?
Chemical Change
I put 500 grams of ice cubes in a glass, the ice melts. How much does my class of water weigh now?
500 grams
Which body system delivers nutrients to the body cells?
Circulatory System
What is the fourth state of matter?
Plasma
What are the 4 of the 5 clues that a chemical change has taken place?
Color changes, bubbles appear, temperature changes, new smell, gas or smoke appears.
The weight of matter is equal...
to the sum of its parts.
Who is the father of genetics?
Gregor Mendal