VOcaB!
What is an atom?
An atom is the smallest unit of an element that keeps the elements identity!
What is hydrogen's atomic number and what can it be used for in the real world.
atomic number:1
Real life uses: making fertilizer, fuel rockets, fuel cells to generate clean energy.
How do you measure the mass of an object?
To find the mass of an object, place the object on a scale and calculate the weight!
In our different layers of density experiment, what caused the honey and other substances to mix?
The heat of the sun!
How many ounces is in 1 pound?
16 ounces!
What is an element?
An element is a pure substance containing only one kind of atom!
True or False: A compound is a substance formed when three or more different elements chemically combine in a fixed ratio.
False! (two or more)
True or False: The density of an object can be changed by the temperature and conditions it encounters?
TRUE!
what caused the tufa towers to form in our mono lake experiment?
The water evaporated leaving a salt and mineral tower on top!
What is the derived unit name of Energy?
Joule!
What is a mixture?
A mixture is two or more substances together without being chemically bonded to one another!
How many electrons can be held in the energy level rings?
Up to two electrons!
What is the formula to calculate density?
Density equals mass divided by volume!
What are some chemical changes in the making of pizza?
The process of: the oven melting and browning the cheese,and the yeast eating the sugars and producing carbon dioxide!
What is the equivalent to 1 kilometer?
1,000 meters!
What is volume?
Volume measures how much space the matters occupies!
Name the atomic number, period, and 1 usage of carbon.
atomic #:6 Period: 2 usage: graphite
How do you measure the volume of gas?
The volume of gas is measured in the units of its container!
Was the making of ice cream a chemical or physical change?
A physical change caused by a chemical change!
What is the prefix, amount of base unit, and abbreviation of kilograms?
prefix: kilo amount of base unit: 1,000 abbreviation: k
What is density?
Density is how much mass something takes up in the containers its held in!
How can you find the number of neutral elements neutrons?
To find the number of neutral element neutrons you subtract the atomic number from the atomic mass!
How can you find the volume of an object using the displacement method?
place an object in a cylinder of water and then measure how much water is displaced, subtract the first water level from the new water level!
What gas was released when the two mixtures combined in our vinegar and baking soda experiment?
Carbon dioxide!
When you convert ounces to grams, what number do you multiply ounces by?
To find how many ounces there are in grams, you multiply ounces by 28.35!