The amount of time it takes for Earth to make one full rotation on its axis.
24 hours
The amount of time it takes for Earth to make one full revolution around the sun.
365 days or 1 year
This is the source for almost all energy on Earth.
Sun
What happens between magnets of the same charge?
They repel each other.
Weather instrument that measures temperature
Thermometer
Wind power and solar power are what type of energy sources.
Renewable
An energy source that is not able to be replenished is called this.
nonrenewable
What fossil fuel is formed from ancient plants?
Coal
Is melting ice a physical or chemical change? Explain.
Physical change because it can return back to its original state by freezing
This planet is called the red planet.
Mars
These are the 3 basic states of matter?
solid, liquid, and gas
This force causes objects to be pulled towards Earth's center.
gravity
A glacier breaks rock into smaller pieces, melts, and carries the sediment away. What two Earth processes occurred?
Weathering and Erosion
What are the three different types of rocks?
Igneous, Sedimentary, and Metamorphic.
These are the cardinal directions.
What is north, south, east, and west?
Which variable is changed by the scientist?
independent variable
A student changes the amount of sunlight a plant receives and measures growth. What is the dependent variable?
Plant growth
This is the word for when a substance goes from a solid to a liquid
Melting
This is the largest planet in our solar system?
Jupiter
How many moons does Mars have?
2
These are the 3 phases of the water cycle.
What is evaporation, condensation, and precipitation.
The regular weather patterns over long periods of time in a place or region is called this.
Climate
During which Moon phases do spring tides occur?
New Moon and Full Moon.
Name the four terrestrial planets
Mars, Earth, Mercury, and Venus
Name the four gas planets
Jupiter, Saturn, Uranus, and Neptune