Earth and Space
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
The movement of the Earth and other planets relative to the Sun
SubtopicThe movement of the Earth and other planets relative to the Sun under Earth and Space for Grade 5 IGCSE.
Preview questions (no answers)
- 1.
If you were standing on Mars, which object would Mars be orbiting?
A.The Earth
B.The Moon
C.The Sun
D.Jupiter
- 2.
Which planet is the smallest of all the eight main planets?
A.Mars
B.Venus
C.Mercury
D.Earth
- 3.
What happens because the Earth is tilted on its axis as it orbits the Sun?
A.It creates different seasons
B.It makes the Earth spin faster
C.It causes the Sun to turn blue
D.It stops the Moon from moving
- 4.
Which of these is NOT a planet in our solar system?
A.Saturn
B.Mars
C.The Moon
D.Neptune
- 5.
Why does the Moon appear to move across the sky at night?
A.Because the Moon orbits the Sun
B.Because the Earth rotates on its axis
C.Because the stars are pushing the Moon
D.Because the Earth orbits the Moon
- 6.
In the Solar System, where is the Asteroid Belt located?
A.Between Earth and Mars
B.Between Mars and Jupiter
C.Between Saturn and Uranus
D.Outside the orbit of Neptune
- 7.
Which of the following describes the difference between rotation and revolution?
A.Rotation is orbiting the Sun; Revolution is spinning on an axis
B.Rotation is spinning on an axis; Revolution is orbiting the Sun
C.Rotation only happens at night; Revolution only happens during the day
D.Rotation and revolution are the same thing
- 8.
What is the relationship between a planet's distance from the Sun and the total distance it travels in one complete orbit?
A.As distance from the Sun increases, the orbital path becomes much longer.
B.As distance from the Sun increases, the orbital path becomes shorter.
C.The distance of the orbit is always the same for all planets.
D.The orbital path is a straight line, not a circle.
- 9.
If you were on a planet that did not rotate at all but still revolved around the Sun, how long would one day (daytime and nighttime) last?
A.Exactly one year
B.There would be no day or night at all
C.24 hours
D.It would be daytime forever on one side
- 10.
Which factor most determines the length of a planet's day (the time from one sunrise to the next)?
A.The speed at which the planet rotates on its axis.
B.The distance of the planet from the Sun.
C.The number of moons the planet has.
D.The diameter of the planet's orbit.
Download the worksheet for Earth and Space - The movement of the Earth and other planets relative to the Sun to practice offline. It includes additional chapter-level practice questions.
The movement of the Moon relative to the Earth
SubtopicThe movement of the Moon relative to the Earth under Earth and Space for Grade 5 IGCSE.
Preview questions (no answers)
- 1.
What is the primary reason the Moon is considered Earth's neighbor?
A.It is the closest celestial body to Earth
B.It is made of the same gas as Earth
C.It has the same weather as Earth
D.It is the same size as Earth
- 2.
If you were standing on the Moon, which object would you see the Moon 'orbiting'?
A.The Sun
B.The Earth
C.Mars
D.The Moon doesn't orbit anything
- 3.
The path of the Moon is held in place by the Earth's gravity. This relationship is often compared to:
A.A ball on a string being swung in a circle
B.A car driving in a straight line
C.A bird flying wherever it wants
D.A rock sitting on the ground
- 4.
How many times does the Moon rotate on its axis during one full orbit around the Earth?
A.Once
B.28 times
C.365 times
D.It does not rotate
- 5.
Which of the following correctly describes the Moon's light?
A.The Moon generates its own light through fire
B.The Moon reflects light from the stars
C.The Moon reflects light from the Sun
D.The Moon glows because of Earth's atmosphere
- 6.
If the Moon were twice as far away from the Earth as it is now, what would happen to its orbital speed?
A.It would move faster
B.It would move slower
C.It would move at the same speed
D.It would stop moving entirely
- 7.
What is the approximate time interval between two consecutive New Moons?
A.24 hours
B.7 days
C.29.5 days
D.365 days
- 8.
During a total lunar eclipse, the Moon often appears reddish-orange. What causes this color?
A.The Moon's rocks are naturally red.
B.Sunlight is filtered and bent (refracted) through Earth's atmosphere.
C.Dust on the Moon's surface reflects red stars.
D.The Moon's temperature increases significantly.
- 9.
At what time of day does a Third Quarter Moon typically rise?
A.Sunset
B.Noon
C.Midnight
D.Sunrise
- 10.
What would be the effect on Earth's tides if the Moon's mass were doubled but it stayed in the same orbit?
A.Tides would be much higher and lower (greater range).
B.Tides would disappear completely.
C.Tides would happen twice as often.
D.Tides would stay the same because the distance hasn't changed.
Download the worksheet for Earth and Space - The movement of the Moon relative to the Earth to practice offline. It includes additional chapter-level practice questions.
Explaining day and night through Earth's rotation
SubtopicExplaining day and night through Earth's rotation under Earth and Space for Grade 5 IGCSE.
Preview questions (no answers)
- 1.
What is the best way to describe the Earth's axis?
A.A real wooden pole
B.A line of clouds
C.An imaginary line Earth spins around
D.A path Earth follows around the Sun
- 2.
If you look at the Sun at 10:00 AM and then again at 3:00 PM, why has its position in the sky changed?
A.The Sun has moved across the sky
B.The Earth has rotated on its axis
C.The Earth has moved closer to the Sun
D.The Moon has pushed the Sun
- 3.
Why can people in Australia see the Sun while people in Europe are sleeping at night?
A.Australia is closer to the Sun
B.Europe is blocked by the Moon
C.Earth's rotation puts them on opposite sides of the light
D.The Sun moves faster over Australia
- 4.
How many full rotations does the Earth make during a typical month of 30 days?
A.1 rotation
B.12 rotations
C.30 rotations
D.365 rotations
- 5.
The following diagram shows a sequence of a location on Earth as it rotates. If Position 1 represents Midday (noon) and each arrow represents 6 hours of rotation, which time of day is represented by Position 4?
A.Sunset
B.Midnight
C.Sunrise
D.Noon
- 6.
At any given moment, what percentage of the Earth is experiencing nighttime?
A.percent
B.percent
C.percent
D.percent
- 7.
Which of the following describes the shape of the Earth accurately enough to explain day and night?
A.A flat plane
B.A perfect cube
C.A sphere
D.A cylinder
- 8.
A student in the Northern Hemisphere takes a long-exposure photograph of the night sky. Because of the Earth's rotation, the stars appear to move in circular arcs around a central point. If the 'star trails' captured in the photo are arcs of exactly , for how many hours was the camera shutter left open?
A.15 hours
B.60 hours
C.4 hours
D.2 hours
- 9.
What would be the most immediate effect on Earth's oceans if the rotation stopped?
A.The water would evaporate into space.
B.The oceans would migrate toward the poles because of the lack of centrifugal force.
C.The oceans would freeze instantly.
D.The tides would become much larger.
- 10.
If you are at North latitude, your rotation speed is about km/h. At the Equator (), it is km/h. Why is there a difference?
A.The Earth is wider at the Equator, so you must travel more distance in the same 24 hours.
B.Gravity is weaker at the Equator, allowing for faster spinning.
C.The Equator is closer to the Sun.
D.The Earth's core spins faster than its crust.
Download the worksheet for Earth and Space - Explaining day and night through Earth's rotation to practice offline. It includes additional chapter-level practice questions.
The Solar System and gravity in space
SubtopicThe Solar System and gravity in space under Earth and Space for Grade 5 IGCSE.
Preview questions (no answers)
- 1.
What do we call a huge collection of gas, dust, and billions of stars and their solar systems?
A.A planet
B.A moon
C.A galaxy
D.A comet
- 2.
Which of these statements about gravity is true?
A.Only Earth has gravity
B.Gravity only works on heavy objects
C.All objects with mass have gravity
D.Gravity pushes things away from planets
- 3.
Which planet takes the longest time to orbit the Sun?
A.Jupiter
B.Neptune
C.Saturn
D.Uranus
- 4.
Which planet has the shortest year because it is closest to the Sun?
A.Venus
B.Mars
C.Mercury
D.Earth
- 5.
An astronaut on the Moon drops a heavy hammer and a light feather at the same time from the same height. Based on the diagram and the fact that there is no air on the Moon, which of the following will occur?
A.Both the hammer and the feather will hit the ground at the same time.
B.The hammer will hit the ground first because it has more mass.
C.The feather will hit the ground first because it is lighter.
D.Both objects will float away because there is no gravity on the Moon.
- 6.
A space probe with a mass of is sent to explore four different planets. The gravitational field strength of each planet is shown in the diagram. On which planet would the probe have the greatest weight?
A.Planet A
B.Planet B
C.Planet C
D.Planet D
- 7.
If you were standing on the surface of Mercury, why would the Sun appear much larger than it does from Earth?
A.Mercury is closer to the Sun
B.Mercury has no atmosphere to block the light
C.The Sun is expanding
D.Mercury is smaller than Earth
- 8.
If Earth had no tilt on its axis, how would this affect the seasons?
A.Seasons would happen much faster, every two weeks.
B.There would be no change in seasons throughout the year.
C.Summer would last for the whole year at the poles.
D.Gravity would pull the Earth closer to the Sun to create seasons.
- 9.
Which of the following is an example of an artificial satellite kept in orbit by Earth's gravity?
A.The Moon
B.The International Space Station
C.The Asteroid Ceres
D.Halley's Comet
- 10.
How would the gravitational force between two objects change if the distance between them was reduced by half?
A.The force would be half as strong.
B.The force would be twice as strong.
C.The force would be four times as strong.
D.The force would stay exactly the same.
Download the worksheet for Earth and Space - The Solar System and gravity in space to practice offline. It includes additional chapter-level practice questions.