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Matter and Volume

Matter and volume

QuestionAnswer
Matter is anything that has __________ and _____________. Mass Volume
Mass is the amount of ____________ in an object. Matter
Does the mass in an object change? No
What changes the weight of an object? The amount of gravitational pull on the object.
What are the three phases of matter? Solid, liquid, and gas
List the 4 characteristics of a gas 1) Assumes the shape of its container 2)Assumes the volume of its container 3)Compressible (has lots of free space between particles) 4)Flows easily
List the 4 characteristics of a solid 1)has a fixed shape 2)has a fixed volume 3)Not easily compressible 4)Does not flow easily
List the 4 characteristics of a liquid 1) Assumes the shape of it container 2)has a definite volume 3)Not easily compressible 4)Flows easily
What happens to most matter as heat increases? It changes from a solid to a liquid to a gas.
What happens to most matter as its temperature decreases? It changes from a gas to a liquid to a solid.
What is the smallest part of matter? An atom
When 2 or more atoms are put together, it makes a(n) _______________. Element
How can you see an atom? With a microscope
About how many natural elements are there? 100
Where can you find a listing of all of the elements known? Periodic table of elements
What is the chemical symbol for hydrogen? H
What is the chemical symbol for oxygen? O
What is the chemical symbol for helium? He
What is the chemical symbol for Carbon? C
What is the chemical symbol for potassium? K
When 2 or more elements are combined and they do not loose their identifying characteristics (can be easily separated) a ___________ is created. Mixture
A mixture in which one substance dissolves in another is called a _________. Solution
A _____________ is formed when two or more elements combine to form a new substance. Compound
What is the chemical formula for water? H2O
What is the chemical formula for salt? NaCl
The study of materials at the atomic level (atoms) is called Nanotechnology
What is a nanometer? One billionth of a meter
What are some products benefiting from nanotechnology today? Sunscreens, scratch-resistant coatings, and medial procedures
What always fills its container? Air
Will an object expand or shrink if you heat it? Expand
Oxygen, Nitrogen and Carbon Dioxide are all.... Gasses
The change from a liquid to a gas is called.... Evaporation
2 H20 has how many water molecules? 2 water molecules
What measurement would you use to measure a liquid? Liters
What instrument do you use to measure mass? Balance
Where can you find a listing of all of the elements known? Periodic table of elements
Created by: juniece1971