Pure Substances/Mixtures
Matter
Force and Motion
Energy
**TRIVIA**
100
The oxygen in the air we breathe is made of one type of atom: oxygen atoms. How would you classify air?



Element (pure substance)

100

Liquid to gas

evaporation

100
The metric unit for Force (what forces are measured in)
Newtons
100

Objects in motion have this type of energy

Kinetic

100

Tell me which of Newton's Laws each statement is describing: A) Force equals mass multiplied by acceleration (F=MA) B) For every action there is an equal and opposite reaction C) An object in motion stays in motion unless acted on by an outside force 

A) 2nd B) 3rd C) 1st

200

The number of protons in an atom can be found from the

Atomic number

200

Objects have _______ energy at higher temperatures.

higher/more

200

Speed + direction

Velocity

200

The type of energy that depends on mass and height, also referred to as stored energy

potential

200

The appearance of a white solid (precipitate) indicates that a ______ change has occurred during this experiment.

chemical

300

A mixture with a non-uniform composition in which the individual components are distinct and visible

heterogenous mixture

300

The two parts of an atom found in the nucleus

Protons and neutrons 

300
The combination of all the forces on an object.
Net Force
300

Thermal energy moves in which direction

hot to cold

300

To find neutrons using the periodic table, what must you do?

Subtract the atomic number (# of protons) from the atomic mass.

400

Products of a chemical reaction are _________ substances made up of _________ elements than the reactants present at the start of the reaction.

different, different

400

Substances such as H20, CO2, and NaCl can be referred to as

compounds

400

The two factors that influence acceleration

force and mass

400
What are the 3 parts of an atom and what type of charge do they carry?
Neutron (0) Proton (+) Electron (-)
400

What principle understanding results from the law of conservation of energy? 

Energy can not be created nor destroyed, it only changes form.

500

If a substance can’t be broken down physically but it CAN be broken down chemically, it is classified as a ____________.

compound

500

Density, melting point, and boiling point can be referred to as which type of properties

Physical 

500

An object is pushed East with 15 Newtons and pushed West with 13 Newtons. What is the net force acting on the object and in which direction?

2 Newtons East

500

What happens to the particles of a substance when heat is removed

They condense/move closer

500
How would you know a chemical reaction occurs? Give an example of a chemical reaction Give an example of a physical change
A new substance was created Paper burning Metal rusting melting crushing
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