Earth's place Flashcards
an imaginary line an object turns around
axis
PM-afternoon- after 12 lunch time. AM-morning time before noon- asleep and when you first get to school
day/night (24 hours)
the movement of an object in a circular motion
rotation/rotates
A reapeating path that one object in space takes around another
orbit
a dark shape made when an object blocks light when you stand outside your body looks sunlight that makes a shadow
shadow
a circle of events that repeats in a regular pattern
cycle
perfectly round and symettrical like a ball
sphere
the angle of Earth’s axis this causes seasons
tilt
evidence models relationships three dimensional pattern
supporting vocabulary
What is the third planet from the Sun?
Earth
True or False: Earth is the only planet known to support life.
True
Fill in the blank: Earth orbits the Sun in an elliptical shape, taking approximately _____ days to complete one orbit.
365.25
What is the Earth’s atmosphere primarily composed of?
Nitrogen and oxygen
Which layer of the Earth is liquid?
Outer core
What percentage of Earth’s surface is covered by water?
About 71%
What is the name of the force that keeps Earth in orbit around the Sun?
Gravity
True or False: Earth’s rotation is from east to west.
False
What is the term for Earth’s path around the Sun?
Orbit
Fill in the blank: The tilt of Earth’s axis is approximately _____ degrees.
23.5
What is the primary reason for the seasons on Earth?
The tilt of Earth’s axis
What celestial body is Earth’s only natural satellite?
The Moon
What is the average distance from Earth to the Sun?
About 93 million miles (150 million kilometers)
Which layer of the Earth is solid and includes the crust and upper mantle?
Lithosphere
