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The Solar System (IGCSE Phys6.1) Flashcards | StudBud
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The Solar System (IGCSE Phys6.1)
The Solar System (IGCSE Phys6.1)
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1
Average orbital speed is found by: v=(2πr)/T, in this formular T is equal to.....
tangential speed
time period
tension
time taken
2
The planets in our solar system are made up of
4 rocky planets close to the Sun and 4 gas planets further away.
4 rocky planets and 4 gas planets spread out
4 rocky planets, an asteroid belt and 4 gas planets
4 rocky planets far from the Sun and 4 gas planets close to the Sun
3
The moon moves across the sky at night because.....
The Earth orbits the moon
The Earth rotates on its axis
The moon rotates on its axis
The moon orbits the Earth
4
When we use the formula v=(2πr)/T we assume that the orbit is..
exactly elliptical
approximately cylindrical
approximately elliptical
approximately circular
5
What is the consequence of the Earth being tilted on its axis?
Summer is warmer than winter
Winter is warmer in the northern hemisphere
The equator is very hot
Winter is warmer in the southern hemisphere
6
In the accretion model an accretion disc
is made up of gas and dust attracted to the star by gravity.
is made up of sticky rocks
goes in an accretion drive
is formed outside the asteroid belt.
7
Which planet is furthest from the Sun?
Pluto
Neptune
Uranus
Saturn
8
Average orbital speed is found by: v=(2πr)/T, this is an example of....
finding the circumference of a circle
velocity in a circle
speed = distance/time
gravitational field strength
9
The Sun moves across the sky each day because.....
The Earth is spinning on its axis
The Earth orbits the Sun
The Sun orbits the Earth
The Sun is spinning on its axis
10
How many stars are there in the Solar System?
1 billion
1 million
100 billion
1
11
The moon is an example of....
a dwarf planet
a dead star
an asteroid
a satellite
12
How does the gravitational field strength change with distance from a planet?
increases quickly
Decreases slowly
increases slowly
decreases quickly
13
Which planet is closest to the Sun?
Mercury
Earth
Mars
Venus
14
All planetary bodies orbiting the Sun follow...
Elliptical orbits
Circular orbits
each other
overlapping orbits
15
Minor planets include...
pluto and venus
Asteroids and dwarf planets
Asteroids and comets
Jupiter's moons
