Matter
All matter is made up of __________.
ATOMS
The center of an atom is called the...
Nucleus
What is the tool called that helps us identify all of the world's elements?
The Periodic Table of Elements
Breaking a pencil in half and sharing the other end of the pencil is an example of...
Physical Change
T or F? Shoes are matter!
True
This has a positive charge in an atom.
Proton
Carbon's atomic number is 6, so that means the __________ and __________ are also 6.
Protons and electrons
George was standing outside his house and saw the sky light up in the distance, the 4th of July fireworks show started early. Is this physical or chemical change?
Chemical
T or F? Gas (ex: H20 vapor) is not matter.
False
This term can be described as neutral in an atom.
Neutron
Fluorine has a mass of 19 and an atomic number of 9. With Mass = p + n, what does the neutrons equal?
10
Substance A is mixed with Substance B and there is a increase in temperature. Is this physical or chemical change?
Chemical
What are the three types of matter?
Solid, Liquid, and Gas
This has a negative (-) charge in an atom.
Electron
Beryllium has a mass of 9, and the protons equal 4...what does the neutrons equal?
5
Ms. Tina has her class take colored paper and scissors to make fun decorations for winter.
Physical
Matter is made up of atoms, but it also made up of __________________. Hint - atoms are the letters and _________ is like the words.
Molecules
T or F? - The protons and electrons have to equal each other. For example: If the proton of an element is 6 then the electron of the element will be 6.
True
Lithium has 3 protons, and 3 electrons, and 4 neutrons. What is the mass then?
7
Dry ice sublimating into air (turning into a vapor) is an example of physical or chemical change.
Physical