Earth and Space Science
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
The Rock Cycle and Earth's Layers
SubtopicThe Rock Cycle and Earth's Layers under Earth and Space Science for Grade 8 IB.
Preview questions (no answers)
- 1.
A rock that has been changed into a new form by heat and pressure without melting is called:
A.Sedimentary
B.Igneous
C.Metamorphic
D.Volcanic
- 2.
What is the name for the thin, solid, outermost layer of the Earth?
A.Mantle
B.Lithosphere
C.Crust
D.Core
- 3.
Which layer of the Earth is composed of solid rock that can flow very slowly over time?
A.Inner Core
B.Asthenosphere
C.Outer Core
D.Oceanic Crust
Download the worksheet for Earth and Space Science - The Rock Cycle and Earth's Layers to practice offline. It includes additional chapter-level practice questions.
Plate Tectonics and Natural Hazards
SubtopicPlate Tectonics and Natural Hazards under Earth and Space Science for Grade 8 IB.
Preview questions (no answers)
- 1.
What is the name for a volcano that has not erupted for a long time but might erupt again?
A.Active
B.Dormant
C.Extinct
D.Sleeping
- 2.
Which layer of the Earth is the thinnest?
A.Inner Core
B.Outer Core
C.Mantle
D.Crust
- 3.
What is the term for the large, circular patterns of heating and cooling in the mantle?
A.Convection cells
B.Ocean currents
C.Wind patterns
D.Solar flares
Download the worksheet for Earth and Space Science - Plate Tectonics and Natural Hazards to practice offline. It includes additional chapter-level practice questions.
The Solar System and Lunar Phases
SubtopicThe Solar System and Lunar Phases under Earth and Space Science for Grade 8 IB.
Preview questions (no answers)
- 1.
What is a 'Crescent' Moon?
A.A moon that is more than half lit
B.A moon that is fully dark
C.A moon that is a thin sliver, less than half lit
D.A moon that is only seen during the day
- 2.
What do we call a star and all the objects that orbit around it?
A.A Galaxy
B.A Constellation
C.A Solar System
D.An Universe
- 3.
Which planet is located furthest from the Sun?
A.Uranus
B.Neptune
C.Saturn
D.Pluto
Download the worksheet for Earth and Space Science - The Solar System and Lunar Phases to practice offline. It includes additional chapter-level practice questions.
Climate Change and Global Warming
SubtopicClimate Change and Global Warming under Earth and Space Science for Grade 8 IB.
Preview questions (no answers)
- 1.
What is the term for a long period with significantly less rainfall than normal?
A.Flood
B.Drought
C.Hurricane
D.Tsunami
- 2.
Which of these would most likely decrease the albedo of a region?
A.Building more white roofs
B.A heavy snowfall
C.Melting of ice to reveal dark soil
D.Planting a field of white flowers
- 3.
What describes the 'greenhouse effect' most simply?
A.Plants growing in a glass building
B.The trapping of heat by gases in the atmosphere
C.The reflection of all light by the moon
D.The cooling of the Earth by the wind
Download the worksheet for Earth and Space Science - Climate Change and Global Warming to practice offline. It includes additional chapter-level practice questions.
Sustainable Resource Management
SubtopicSustainable Resource Management under Earth and Space Science for Grade 8 IB.
Preview questions (no answers)
- 1.
What is a 'landfill' primarily used for?
A.Growing organic vegetables
B.Disposing of waste that cannot be recycled or composted
C.Filtering water for the city
D.Generating solar power
- 2.
Which form of energy is produced by capturing the heat from hot springs or volcanoes?
A.Solar energy
B.Wind energy
C.Geothermal energy
D.Hydroelectric energy
- 3.
Which of these is a consequence of 'deforestation'?
A.Increase in wildlife population
B.Decrease in soil erosion
C.Loss of biodiversity
D.Improvement in air quality
Download the worksheet for Earth and Space Science - Sustainable Resource Management to practice offline. It includes additional chapter-level practice questions.