PLANETS
OBJECTS IN SPACE
ROTATION AND REVOLUTION
STARS
MOONS
100
It is made up of the sun and its family of eight planets.
What is the solar system?
100
The asteroid belt separates the inner and ________ planets.
What is outer?
100
When one object in the sky passes into the shadow of another.
What is an eclipse?
100
This is the centre of the solar system. The planets revolve around it.
What is the sun?
100
A natural object that circles around a planet or possibly an asteroid.
What is a moon?
200
This planet is closest to the sun.
What is Mercury?
200
A rock that orbits the sun but is smaller than a planet.
What is an asteroid?
200
A planet turning on its axis is.
What is rotation?
200
A huge bright ball of gas such as the Sun.
What is a star?
200
Anything that circles around a planet; it can be artificial (launched by a rocket) or natural.
What is a satellite?
300
A round pit made by a meteorite, or by a volcano collapsing.
What is a crater?
300
A mass of dust, ice and frozen gases speeding around the Sun.
What is a comet?
300
The movement of an object in a circle around a point.
What is a revolution?
300
This is the galaxy that we live in.
What is the Milky Way?
300
Why do we have day and night?
Because the earth spins.
400
This is now called a “dwarf planet”.
What is Pluto?
400
A shooting star; bright streaks seen when meteoroids break up.
What is a meteor?
400
The tilt in the Earth’s axis causes these as it goes around the Sun.
What are the seasons?
400
A group of bright stars which make a pattern in the sky.
What is a constellation?
400
How long does it take for the moon to orbit the Earth?
It takes about one month for the moon to orbit the Earth.
500
This planet is called the morning or evening star, because it appears in the sky just after sunset and before sunrise.
What is Venus?
500
A meteor big enough to survive the journey through the atmosphere and fall to the Earth is called?
What is a meteorite?
500
Something that happens over and over again in the same order (e.g., The Earth goes around the Sun causing the seasons to change).
What is a cycle?
500
What does the colour of a star tell us about the star?
What the temperature of the star is.
500
Big, dark, wide spots on the Moon’s surface; sometimes called seas even though there is no water in them.
What are maria?
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