Science, Physics - Earth and Beyond

Question 1

order of planets

Answer 1

• mercury
• venus
• earth
• mars
• jupiter
• saturn
• uranus
• neptune

Question 2

moon

Answer 2

• an object that orbits a planet
• known a natural satellite

Question 3

earth rotating

Answer 3

• spins anti clockwise
• sun rise = east
• sun set = west

Question 4

tilt of the axis

Answer 4

• 23.5 degrees
• nearer the equator, not much change for seasons
• nearer the poles, a lot of change for seasons
• changes day lengths and temperatures

Question 5

inner planets

Answer 5

• 4 of them (mercury, venus, earth, mars)
• terrestrial plants = made of rock

Question 6

asteroid belt

Answer 6

• pieces of planets or moons / lumps of rock left over from when the Solar System was formed
• orbit the sun like planets do
• in between mars and jupiter / inner and outer planets

Question 7

outer planets

Answer 7

• 4 of them (jupiter, saturn, uranus, neptune)
• bigger than the inner planets
• jupiter and saturn = gas giants (mainly made of hydron and helium gas)
• uranus and neptune = ice giants (ice and rock with an other layer of gas and are the coldest atmosphere)
• other plants all have rings
• rings are made out of dust, ice particles, and pieces of rock

Question 8

comets

Answer 8

• made of ice and dust orbiting the sun
• reflect light from the sun (like planets and moons)

Question 9

meteor

Answer 9

piece of rock at burns up

Question 10

meteorite

Answer 10

• a piece of rock that survives to reach the ground

Question 11

planets

Answer 11

• not stars
• objects that orbit around stars
• made of rock or gas

Question 12

stars

Answer 12

• huge balls of gas that give out light

Question 13

sun

Answer 13

• has a life cycle
• made from cloud of gas and dust called nebula
• main sequence star