Share WW4 unit 5 vocabulary practice space
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the force that makes objects fall to the ground
gravity
an electronic system in space for communication:
satellite
a giant space ‘snowball’ of gas, rock, and dust with a long tail:
comet
a curved path around a planet, star, or moon:
orbit
the group of planets and stars around our sun:
solar system
a huge group of many millions of stars and solar systems:
galaxy
a giant star :
Sun
the closest planet to Earth:
Venus
The furthest planet from Earth:
Neptune
The first astronaut was:
Yuri Gagarin
The largest planet is:
Jupiter
Their _______ is 11,000 kilometres per hour.
SPEED
The moon is about 384,000 km _______ .
away
The smallest satellite is called:
a cube satellite
Mars is millions of kilometres ________ .
AWAY
a device used to observe distant objects:
telescope
