Earth completes one orbit around the Sun in this amount of time.
What is one year?
The first planet from the Sun.
What is Mercury?
Seasons are mainly caused by Earth’s _______.
What is tilt?
Our home galaxy.
What is the Milky Way?
Rock formed from cooled magma or lava
What is igneous rock?
Short-term atmospheric conditions.
What is weather?
The Moon shines because it does this.
What is reflect sunlight?
A rocky object that mostly orbits between Mars and Jupiter.
What is an asteroid?
The largest tidal range occurs during this type of tide.
What is a spring tide?
The stable stage where stars spend most of their lives.
What is the main sequence?
The process that breaks rock into smaller pieces.
What is weathering?
The main energy source that drives Earth’s weather.
What is the Sun?
Moon phases happen because we see different amounts of the Moon’s _______.
What is sunlit side?
This icy region beyond Neptune contains many dwarf planets and comets.
What is the Kuiper Belt?
Why seasons are not caused mainly by distance from the Sun.
What is Earth’s tilt changes sunlight angle and daylight length?
The two properties used to classify stars on the H-R diagram.
What are brightness (luminosity) and temperature?
This rock type often contains fossils.
What is sedimentary rock?
Warm ocean water and rising humid air are needed to form this.
What is a tropical cyclone (hurricane)?
Earth’s rotation explains why this appears to happen daily.
What is the Sun moving across the sky? (Day and Night)
A meteoroid becomes this when it hits Earth’s surface.
What is a meteorite?
The smallest tidal range happens during this tide type.
What is a neap tide?
High-mass stars can end their life cycle in this explosive event.
What is a supernova?
The law stating lower rock layers are older than layers above them.
What is the law of superposition?
This plate boundary forms earthquakes without creating or destroying crust.
What is a transform boundary?
Name two factors that cause ocean tides.
What are the Moon’s gravity and the Sun’s gravity?
Gravity in the solar system causes planets to do this instead of moving in straight lines.
What is stay in orbit?
What yearly data patterns help scientists predict seasons?
What are temperature, sunrise/sunset times, and daylight length?
Give one piece of evidence that supports the Big Bang theory.
What is galaxy redshift, cosmic microwave background radiation, or element composition?
Relative dating differs from absolute dating because it does this.
What is compares ages instead of giving a numerical age?
Name one human activity that increases greenhouse gases.
What is burning fossil fuels or deforestation?