Force
Density
Astronomy
Chemistry
Motion
100
The force that one surface exerts on another
What is friction?
100
An object floats in water because it is ____ dense.
What is less?
100
This is how galaxies are classified.
What is Shapes?
100
This is how many protons are in Hydrogen
What is One (1)?
100
Your car on a long trip is your... (an object to compare motion)
What is Reference Point?
200
An object in motion stays in motion and an object at rest stays at rest unless an unbalanced force acts upon it.
What is Newton's First Law of Motion?
200
If an object has a density of 1.4 g/mL, will ____ in water.
What is sink?
200
The two ways to measure distances in space
What is AU and light year?
200
This is the state of matter that has the most molecular motion.
What is Gas?
200
This is formuala for average speed.
What is total distance/total time?
300
If two cars are traveling in the opposite direction, they have _______ velocities
What is Opposite?
300
Of metals, semi-metals and non-metals, this substance is the most dense
What is metal?
300
Of a blue star and a red star, this star has a higher surface temperature.
What is a blue star?
300
This is how elements form compounds. (What kind of change?)
What is a chemical change?
300
Define velocity
What is Speed in a given direction?
400
This force acts in the downward direction; it pulls objects down
What is Gravity?
400
The density of a cube with a length of 2cm and a mass of 16g. (v=l x w x h). d = m/v
What is 2 g/cm3?
400
This is the element most stars are composed (made up) of.
What is Hydrogen?
400
These are the three subatomic particles and their charges
What is Proton (p+), Neutron (n0), Electron (e-)?
400
This is the speed of an object that travelled 400 miles in 5 hours.
What is 80 mph?
500
The net force acting on a 2 kg object accelerating at 20 m/s2. (F=ma)
What is 40 N?
500
The density of a 50mL graduated cylinder filled with 10mL of water and a mass of 10 g. (d=m/v)
What is 1.00 g/mL
500
This would happen without gravity.
What is objects would float further and further away.
500
You can predict these from an element's positions on the Periodic Table of Elements.
What is Properties (shiny, malleable, conductor of heat and electricity, etc.)
500
These are the three changes in velocity
What is Speed up, Slow down, and Change direction?
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