Earth And Space Flashcards
(15 cards)
Planet
An object that orbits a star and does not emit its own light.
Star
A giant ball of gas held together by its own gravity and makes heat and
light energy.
Gravity Th
The force that attracts an object towards a larger object.
Orbit
A curved path of a planet taken by one body circling around another
body. The earth makes an orbit around the sun.
Solar system
The solar system consists of the Sun and everything that orbits, or travels
around, the Sun.
Astronomy
Astronomy is the study of outer space and all of the objects and bodies
outside of the Earth’s atmosphere, like stars, planets and comets.
Axis
Astronomy is the study of outer space and all of the objects and bodies
outside of the Earth’s atmosphere, like stars, planets and comets.
Time zone
Time zones give specific areas on the Earth a time of day that is earlier or
later than the neighbouring time zones. The time zone is dependent on the
Earth’s rotation.
Sphere
A round 3D shape in the shape of a ball.
Sun
A huge star that the Earth and other planets in our solar system orbit
around.
Moon
A natural satellite which orbits Earth or other planets.
Geocentric model
A belief people used to have that other planets and the Sun orbited around
the Earth.
Heliocentric model
The structure of the solar system where the planet orbits around the sun.
Day and night
Earth rotates on an axis. During the
winter, the North Pole is tilted away from
the Sun’s rays. As Earth travels around
the Sun, the tilt of Earth changes.
Name all the planets
Mercury,
Venus, Earth, Mars,
Jupiter, Saturn,
Uranus and
Neptune.
