The force that is holding the planets together
What is gravity?

What is an unbalanced force?
The definition of energy.
What is the ability to move or cause change?
Reflects the Sun's light to Earth.
What is the moon?
Rise and fall of Earth's oceans.
What are tides?
The Big Bang
What is scientists theory of how the Universe and Solar system was formed?

What is 50 N to the right?
The energy of motion.
What is kinetic energy?
Moon phase where we see the whole side of the moon lit up.
What is full moon?
The reason for Earth's seasons.
What is Earth's tilt?
Mercury, Venus, Earth and Mars
What are the Rocky Planets?
For every action there is an equal and opposite reaction.
What is Newton's 3rd Law of Motion
Energy that is stored.
What is potential energy?
Moon phase where we don't see any light reflected off the moon.
What is new moon?
Moon is blocking the sunlight from reaching Earth.
What is a Solar Eclipse?
A force of attraction between objects that have mass.
What is gravity?
Weight is less on the Moon.
What is the moon's mass is less than Earth's mass
A roller coaster at the top of the first hill.
What is potential energy at its highest?
Over half of the moon is lit.
What is gibbous?
Earth is blocking the Sun's light from hitting the Moon.
What is a Lunar Eclipse?
The two variables that affect the strength of gravity?
What is mass and distance?
The reason planets stay in orbit around the Sun.
What is the gravitational pull of the Sun?
A roller coaster at the bottom of the first hill.
What is kinetic energy at its highest?
Reason we see moon phases.
What is different amounts of light reflected off of the moon?
Reason we do not see Eclipses every month.
What is the Moon's orbit is tilted?