States of Matter
True or False? Gas has no Kinetic Energy.
FALSE
How many elements are on the periodic table?
At Least 100 elements.
Name 3 chemical change
Wood burning, Baked Cake, Metal Rusting
True or False? Atoms make everything up.
True.
What is the unit for a Graduated Cylinder?
Milliliters (mL)
Name at least 3 examples of a Solid, Liquid and gas
bricks, ice, wood, paper, water, rock, steam, smoke...
What is the simplest element.
Hydrogen.
Cooking Pancakes is a _________ change.
Chemical Change.
What is an atom made out of?
Protons, Neutrons and Electrons.
What is the unit for a triple beam balance?
grams (g)
What is it called when solid changes to liquid?
Melting (Melting point for water is:32 F or 0 C)
Name 1 important element on the periodic table.
oxygen, carbon, hydrogen, nitrogen.
Whats the difference between a physical and chemical change.
Physical can be reversed and chemical can not.
If Iron has 30 neutrons then how many protons and electrons does iron have?
30 protons and 30 electrons.
How much water can a Graduated Cylinder hold
5ml-500ml
What is the definition of a solid.
Has a definite shape and volume.
What is the symbol and atomic number for neon?
Atomic #: 10 Symbol: Ne
Food being Digested is a ________ change.
Chemical Change.
Which element has the number 2 as the atomic number. (in the class somewhere)
Helium.
If a Graduated Cylinder goes 5 ml, A ml, 15 ml what is A?
10 ml
Can a gas be turned into a solid.
Yes its called Deposition.
Who created the elements?
Dmitri Mendeleev
Why can't a chemical change be reversed.
The atoms form a new substance to make something new.
True or False? Your body is made up of atoms.
True (At least a billion)
Name three most important things to do before using the triple beam balance?
1,Flat surface. 2, Zero it out. 3, Put weights at zero.