The variable that is kept the same
Constant or control
Where does the light from the moon come from
Reflected from the sun
Maintaining a stable internal environment
Homeostasis
Circular movement around an axis
Rotation
A change in weather because of the tilt of the Earth
Seasons
Using one or more senses to gather information
Observation
How many moon phases are there
8
An organism that breaks down the remains of dead organisms
Decomposer
What 2 things work together to keep the planets in orbit
Gravity and Inertia
The 2 times a year when day and night are equal length
Equinox
Combining several pieces of information to make an inference
Drawing conclusions
When the moon looks like it is "shrinking"
Waning
An organism that a parasite feeds on
Host
Divides the rocky planets from the gas giants
Asteroid Belt
Tides with the greatest difference between low and high tides
Spring Tide
A testable prediction, if-then statement
Hypothesis
When the moon looks like it is "growing"
Waxing
What is at the beginning of every food chain
The sun- or- Producers
Fragments of a meteoroid that land on Earth
Meterorite
Tides with the least difference between low and high tides
Neap tide
A set sequence of steps to complete an experiment
Procedure
The motion of the moon around the Earth is called
Revolution
The process plants use to make food
Photosynthesis
Planet that orbits the sun on its side
Uranus
Two factors that affect gravity
Mass and Distance