Earth and Space
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
The Solar System and Planetary Motion
SubtopicThe Solar System and Planetary Motion under Earth and Space for Grade 4 IB.
Preview questions (no answers)
- 1.
Which planet is the eighth and furthest planet from the Sun?
A.Saturn
B.Uranus
C.Neptune
D.Jupiter
- 2.
Why do scientists believe there is no life on most other planets in our solar system?
A.They are too far away
B.They lack liquid water and air
C.They have too many moons
D.They are too small
- 3.
When people see a 'shooting star' in the night sky, what are they actually seeing?
A.A star falling from the sky
B.A meteor burning up in the atmosphere
C.A plane flying high up
D.An alien spaceship
- 4.
Which planet has the shortest year because it is closest to the Sun and moves the fastest?
A.Mercury
B.Venus
C.Earth
D.Mars
- 5.
Which of these correctly lists the planets in order from the Sun outward?
A.Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
B.Mercury, Earth, Venus, Mars, Jupiter, Saturn, Neptune, Uranus
C.Venus, Mercury, Earth, Mars, Saturn, Jupiter, Uranus, Neptune
D.Earth, Venus, Mercury, Mars, Jupiter, Uranus, Saturn, Neptune
- 6.
Why does the same side of the Moon always face the Earth?
A.The Moon does not rotate on its axis.
B.The Moon rotates at the same speed that it orbits the Earth.
C.The Earth's gravity prevents the Moon from spinning.
D.The Moon is attached to the Earth by a magnetic field.
- 7.
Which of the following is NOT a planet in our solar system?
A.Mars
B.Saturn
C.The Moon
D.Uranus
- 8.
Imagine you are an astronaut standing on the side of the Moon that faces the Earth. At a time when people on Earth are observing a 'New Moon' (where the side of the Moon facing Earth is dark), what phase would the Earth appear to be in from your perspective on the Moon?
A.A 'New Earth,' because the Earth is between the Sun and the Moon, casting a shadow.
B.A 'Half Earth,' because the Sun's light is hitting the Earth from a angle.
C.A 'Full Earth,' because the side of the Earth facing the Moon is also fully lit by the Sun.
D.The Earth would be completely invisible because it is positioned directly behind the Sun.
- 9.
If you were on a planet with no atmosphere, what would the sky look like during the daytime when looking away from the Sun?
A.Blue, like Earth's sky.
B.White, because of the bright sunlight.
C.Black, because there is no air to scatter the sunlight.
D.Red, because of the heat.
- 10.
Which planet's rotation is described as 'retrograde,' meaning it rotates in the opposite direction of most other planets?
A.Mars
B.Venus
C.Jupiter
D.Saturn
Download the worksheet for Earth and Space - The Solar System and Planetary Motion to practice offline. It includes additional chapter-level practice questions.
Earth's Rotation and Revolution (Day/Night and Seasons)
SubtopicEarth's Rotation and Revolution (Day/Night and Seasons) under Earth and Space for Grade 4 IB.
Preview questions (no answers)
- 1.
Which season is known for having 'equinoxes' at its start or middle in various calendars?
A.Summer and Winter
B.Spring and Autumn
C.Only Summer
D.Only Winter
- 2.
How does the Sun's position in the sky change from morning to evening?
A.It stays in the same place
B.It moves from West to East
C.It appears to move from East to West
D.It moves in a circle around the North Star
- 3.
Which of the following is a result of the Earth's tilt?
A.The existence of the Moon
B.The cycle of the seasons
C.The Earth being round
D.The ocean tides
- 4.
What do we call the path that the Earth follows around the Sun?
A.A circle
B.An axis
C.An orbit
D.A rotation
- 5.
What determines the length of one 'day' on any planet in our solar system?
A.The time it takes to orbit the Sun
B.The time it takes to rotate once on its axis
C.The distance of the planet from the Sun
D.The number of moons the planet has
- 6.
Which of the following is true about the Equator during the whole year?
A.It has four very distinct seasons (Spring, Summer, Autumn, Winter)
B.It experiences almost 12 hours of daylight and 12 hours of darkness every day
C.It is in total darkness for six months
D.It is the coldest place on Earth
- 7.
How does the Sun appear to move in the sky if you are standing exactly on the North Pole during the Summer Solstice?
A.It rises and sets every 12 hours
B.It stays below the horizon the whole time
C.It moves in a circle around the sky without setting
D.It moves from the East to the West and then disappears
- 8.
Which of these is a direct result of the Earth's 24-hour rotation period?
A.The change from one year to the next.
B.The cycle of the moon phases.
C.The pattern of day and night experienced by a single location.
D.The occurrence of a solar eclipse.
- 9.
If the Earth's axis was tilted at 0 degrees, which of the following would be true for the city of London?
A.It would have 24 hours of daylight every day.
B.It would have the same weather and day length all year round.
C.It would be in permanent darkness.
D.It would experience four different seasons every month.
- 10.
In the Arctic, why is the ground often still frozen in April even though the Sun has been up for 24 hours a day for weeks?
A.The Sun is too small in the sky during the Spring.
B.The Sun's rays are hitting the ground at a very shallow angle, providing little heat.
C.The North Pole is at its furthest distance from the Sun in April.
D.The Earth's rotation prevents the heat from staying in one place.
Download the worksheet for Earth and Space - Earth's Rotation and Revolution (Day/Night and Seasons) to practice offline. It includes additional chapter-level practice questions.
The Rock Cycle and Types of Rocks
SubtopicThe Rock Cycle and Types of Rocks under Earth and Space for Grade 4 IB.
Preview questions (no answers)
- 1.
How do geologists test the hardness of a mineral in the field?
A.By smelling it
B.By scratching it with other objects
C.By tasting it
D.By putting it in water
- 2.
Which of these is a rock that is made of almost entirely one mineral called calcite?
A.Granite
B.Limestone
C.Basalt
D.Obsidian
- 3.
What does the word 'metamorphosis' mean, which helps explain how metamorphic rocks form?
A.To stay the same
B.To change form
C.To grow roots
D.To break apart
- 4.
Which of these rocks would you likely find near a volcano after an eruption?
A.Limestone
B.Basalt
C.Coal
D.Shale
- 5.
Which of these rocks is formed by the metamorphism of shale?
A.Granite
B.Marble
C.Slate
D.Pumice
- 6.
Why is the rock cycle considered a cycle and not a linear process?
A.Because it only happens in circles underground
B.Because any type of rock can change into any other type over time
C.Because rocks always return to their original form after 100 years
D.Because the Earth is a sphere
- 7.
What is 'magma'?
A.Hardened lava on the surface
B.Molten rock found beneath the Earth's surface
C.A type of sedimentary rock
D.The name of the Earth's top layer
- 8.
Which of these statements about the rock cycle is FALSE?
A.Metamorphic rock can be weathered into sediment.
B.Sedimentary rock can melt into magma.
C.Igneous rock can only turn into metamorphic rock.
D.Magma can cool to become intrusive or extrusive rock.
- 9.
In the process of lithification, what is 'cementation'?
A.The cooling of magma into solid rock.
B.The process of minerals acting like glue to hold sediments together.
C.The breaking of rocks into smaller pieces by plant roots.
D.The movement of tectonic plates.
- 10.
Which of these rocks is most likely to be formed in a desert environment?
A.Limestone
B.Sandstone
C.Coal
D.Basalt
Download the worksheet for Earth and Space - The Rock Cycle and Types of Rocks to practice offline. It includes additional chapter-level practice questions.
Weathering, Erosion, and Changes to Earth's Surface
SubtopicWeathering, Erosion, and Changes to Earth's Surface under Earth and Space for Grade 4 IB.
Preview questions (no answers)
- 1.
If a canyon is observed to be getting slightly deeper every single year, what is most likely causing this change?
A.Wind blowing through the canyon
B.A river flowing at the bottom
C.Animals digging in the ground
D.The sun shining on the rocks
- 2.
Which best describes a delta?
A.A deep hole in the ground
B.A triangle-shaped area of land at the mouth of a river
C.A tall peak of a mountain
D.A long crack in the Earth's crust
- 3.
Which of these would be the best way to model water erosion in a classroom?
A.Looking at a picture of a rock
B.Pouring water over a pile of sand
C.Blowing air through a straw
D.Freezing a cup of water
- 4.
During ice wedging, why does the rock break?
A.Water shrinks when it freezes
B.Water expands when it freezes
C.Water turns into acid
D.Water gets very heavy
- 5.
Which of the following is a way that living things can cause erosion?
A.Plants growing in the cracks of a rock.
B.Livestock overgrazing a field until there is no grass to hold the soil.
C.A bird building a nest in a tree.
D.A mushroom growing on a fallen log.
- 6.
What happens to the sediment that a river carries when the river flows into a dam's reservoir?
A.The sediment is dissolved by the deep water.
B.The sediment settles to the bottom because the water stops moving.
C.The sediment floats on top of the water.
D.The sediment is pushed back upstream by the dam.
- 7.
When a road is built through a mountain, engineers often put metal netting over the rocky cliffs. Why do they do this?
A.To keep the rocks warm during the winter.
B.To prevent weathered rocks from falling onto the road.
C.To help moss grow faster on the stones.
D.To stop the wind from making noise.
- 8.
If a geologist finds 'loess' (very fine, wind-blown silt) covering a large area, what can they conclude about the history of that region?
A.The area was once under a very deep, high-pressure ocean.
B.The area was once covered by a volcano that produced a lot of ash.
C.There were once strong winds and likely nearby glaciers providing fine sediment.
D.The ground was once made of solid diamond that weathered away.
- 9.
Why do some desert rocks have a dark, shiny coating called 'desert varnish'?
A.The wind polishes them until they glow.
B.It is a layer of ice that never melts in the heat.
C.It is a thin layer of manganese and iron oxides left by evaporating water and bacteria.
D.The rocks are painted by people to mark the trails.
- 10.
How can the construction of a dam on a river affect the ecosystem downstream in terms of erosion and deposition?
A.It increases the amount of sediment reaching the ocean, creating larger deltas.
B.It traps sediment behind the dam, leading to increased erosion of the riverbanks downstream.
C.It makes the water downstream flow faster, preventing all forms of weathering.
D.It has no effect because the water is the same before and after the dam.
Download the worksheet for Earth and Space - Weathering, Erosion, and Changes to Earth's Surface to practice offline. It includes additional chapter-level practice questions.