Properties of matter that can be observed with out changing the chemical structure
What are Physical Properties?
100
These are the three subatomic particles of an atom
What are protons, neutrons and electrons?
100
All of the waves on the EM spectrum come from
What is the sun?
100
Energy of motion
What is kinetic?
100
This is defined as any push or pull
What is a force?
200
This property of matter is found by dividing mass and volume
What is density?
200
Describe the motion of particles in a solid, liquid and gas
Solid - vibrate in place/tightly held together
Liquid - can slide past each other
Gas - move around freely
200
Mechanical waves need a _________, while EM waves do not
What is a medium?
200
When energy is in one form and changes to another we call it
What is an energy transformation?
200
There will only be motion when two forces are
What is unbalanced?
300
Name 2 properties of matter that are independent of the same size
Density, malleability, ductility, melting point, boiling point, solubility
300
Atoms bond together with this subatomic particle
What are electrons?
300
Opaque objects do this with light
What is absorb it?
300
When you eat food in order to move around this energy transformation is taking place
What is chemical to kinetic?
300
You have weight when you are on Earth but in space you do not. Why?
Weight is a product of gravity
400
Rusting and other forms of oxidation are a type of this
What is a chemical change?
400
The periodic table is in order by increasing this
Atomic Number, Number of Protons
400
We see things as particular colors because
A particular wavelength reflects off of the surface to our eyes
400
Heat is moving thermal energy. When you put a pot on the stove what type of heat transfer is heating the pot.
What is conduction because it's touching the burner.
400
What is the formula for finding speed?
Distance / time
500
This type of matter is formed with two substances are chemically combined together; it's an example of a pure substance
What is a compound?
500
Periods, or rows, on the periodic table describe this, and groups, or columns, describe this
Periods = number of electron shells/energy levels
Groups = number of valence electrons
500
When EM waves move from space to Earth their speed __________ from a gas to a liquid to a solid. However, when mechanical waves move through a medium their speed _____________ from a gas to a liquid to a solid.
EM = speed decreases
Mechanical = speed increases
500
Two objects of different temperatures are touching. How does the heat move between them and when will it stop?
The heat moves from the warmer object to the cooler and it will stop when they are the same temperature