2A
What is the operational definition of matter?
take up space and has mass
What is a force?
Does it have a operational definition?
a push or pull
yes
State of matter is usually determined by?
temperature
What is energy?
What is work?
The ability to do work
a force that acts
on an object as it moves
through a distance
What is a proton, neutron, and electron
Give me the definition for each
Protons (+) single charge and have a large mass
Neutrons higher mass than Protons but no
charged particles
Electrons (–) single negative charge & move
move in a circular motion in atom
What is the definition of a pure substance?
which of the following is not a pure substance?
a-aluminum
b-gold
c-iron
d-granite
made of one kind of particle
D
What are the 3 Field Forces?
which is the most important to geologists
1. Magnetic force
2. Electric force
3. Gravity****
What is found at the nucleus of every atom?
Proton, Electrons, Neutrons
Protons
For an object to have kinetic energy it must be what?
What is potential energy?
moving
Stored energy not moving
What is an atom?
in this mole CH2O how many atoms are there?
the smallest building blocks of matter
4
What is a mixture?
Can it be filtered or separated?
is Sweet tea an example?
made of two or more substances in a solution
yes
yes
What force is responsible for if a ship run along an ice berg where the ice berg grinds and wears away on the ship?
Friction
Tell me the difference between physical and chemical changes and give me an example of each?
physical-
Appearance changes
No change in chemical composition
chemical-A pure substance changes into another substance
The flow of thermal energy from a hotter place to a cooler place
Heat
What is a element?
What does the atomic number of an element mean?
pure substance
made of one kind of atom
number of protons in the
nucleus of an atom
List out the states of matter we talked about?
tell me which one has the most & least amount of energy?
Describe to me the motion of the particles for each state?
solid, liquid, gas, plasma
most-plasma least-solid
Gravity
True/False: All compounds are molecules?
True
A compound is a molecule that is made up of atoms from at least two different elements
What is ultrasonic sound?
What is infrasonic sound?
vibrations too fast to hear
vibrations that are too slow to hear
What is a compound?
Give me an example of a compound?
a substance which is formed by two or more different types of elements which are united chemically in a fixed proportion
Water (H20)
a pond froze overnight so now in the morning ice skaters can come skate on it. What change of state is this?
Ice cubes shrink will being in a freezer. What change of state is this?
Freezing
Sublimation
List out all the types of Contact Forces and give me an example of each one
1. Shear
2. Electrical
3. tension
4. friction
5. Compression
If something is measured in cubic centimeters, Liters, or quarts. What is being measured?
If a substance has a constant volume but changes it shape. What state of matter is that in?
Volume
Liquid
This type of energy would come from the sun?
This type of energy could be ultraviolet or invisible forms of radiation?
This type of energy is the movement of charged particles. Northern Lights is an example.
nuclear, light, magnetic
What is the definition of a crystal (crystalline) structure?
rigid materials form when lots of particles join in a repeating pattern
three dimensional pattern