Motion & Forces
Work Simple Machines
Energy & Power
Earth, Sun, Moon
Solar System
100
product of an object's mass times velocity
What is momentum
100
force * distance
What is work
100
energy of motion
What is kinetic energy
100
when tides are highest; the Sun, Earth, and moon are nearly in a line
What is spring tide
100
it is different from other planets because it rotates on its side
What is Uranus
200
forces that never change the object's motion
What is balanced forces
200
a machine the uses two or more simple machines
What is a compound machine
200
potential energy that depends on height
What is gravitational potential energy
200
you seen an increasing amount of light or a decreasing amount of light from these of the moon
What are phases of the moon
200
this is a meteroid that enters Earth's atmosphere and burns up and produces a streak of light
What is meteor
300
horizontal force acting on an object to slow it down
What is friction
300
inclined plane wrapped around a cylinder
What is a screw
300
this law says that the potential energy at the top of an object's fall is equal to the kinetic energy at the bottom of an object's fall
What is law of conservation of energy
300
causes day and night on Earth
What is rotation
300
unit of distance in the solar system; the distance from earth to the sun
What is astronomical unit
400
SI unit for force
What is the Newton
400
type of machine has an efficiency of 100%
What is an ideal machine
400
Equation is Work/Time
What is Power
400
this from the sun determines the direction of the comet's tail
What is the solar wind
400
discovered that each planet's orbit is an ellipse
Who is Kepler
500
sum of forces acting on an object
What is net force
500
an example is a ramp
What is an inclined plane
500
unit of power
What is the Watt
500
model that says the Earth revolves around the Sun
What is heliocentric model
500
largest and most massive planet
What is Jupiter
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