level 1
Why is Earth shaped like a sphere?
a. Due to its fast rotation
b. Because gravity pulls everything toward the center
c. Because of its mountains and valleys
d. Due to its magnetic field
Answer: b. Because gravity pulls everything toward the center
What is the lithosphere?
a. The layer of air surrounding Earth
b. The rigid outer layer of Earth, including the crust and upper mantle
c. A soft layer of the mantle
d. A liquid layer near Earth’s core
Answer: b. The rigid outer layer of Earth, including the crust and upper mantle
How do Earth’s systems interact during a volcanic eruption?
a. The atmosphere creates magma
b. The geosphere releases gases into the atmosphere
c. The hydrosphere melts the crust
d. The biosphere causes the eruption
Answer: b. The geosphere releases gases into the atmosphere
What is the role of the crust?
a. To transfer heat
b. To support life as the outermost layer of Earth
c. To create Earth’s magnetic field
d. To allow tectonic plates to flow
Answer: b. To support life as the outermost layer of Earth
What causes the geosphere to interact with the biosphere?
a. Gravity pulling water from the hydrosphere
b. Earthquakes changing habitats for living organisms
c. Gases from the atmosphere forming soil
d. Tectonic plates producing oxygen
Answer: b. Earthquakes changing habitats for living organisms
What is the geosphere?
a. The layer of air around Earth
b. The solid parts of Earth, including rocks and soil
c. All the water on Earth
d. All living things on Earth
Answer: b. The solid parts of Earth, including rocks and soil
Which system includes all living things?
a. Geosphere
b. Biosphere
c. Hydrosphere
d. Atmosphere
Answer: b. Biosphere
What is the mantle made of?
a. Solid iron
b. Dense, hot rock
c. Liquid water
d. Gas and dust
Answer: b. Dense, hot rock
What is density?
a. The force of gravity on an object
b. The amount of mass in a given space
c. The speed at which an object falls
d. The volume of an object
Answer: b. The amount of mass in a given space
What is the outermost layer of Earth?
a. Lithosphere
b. Mantle
c. Crust
d. Core
Answer: c. Crust
What is the crust?
a. The innermost layer of Earth
b. The thickest layer of Earth
c. The thin, outermost layer of Earth
d. The layer where tectonic plates float
Answer: c. The thin, outermost layer of Earth
What force causes Earth to maintain its spherical shape?
a. Magnetism
b. Gravity
c. Friction
d. Heat
Answer: b. Gravity
What layer do tectonic plates float on?
a. Crust
b. Mantle
c. Lithosphere
d. Asthenosphere
Answer: d. Asthenosphere
Which system includes rocks and mountains?
a. Biosphere
b. Geosphere
c. Hydrosphere
d. Atmosphere
Answer: b. Geosphere
What system helps distribute heat around Earth?
a. Atmosphere
b. Biosphere
c. Hydrosphere
d. Lithosphere
Answer: c. Hydrosphere
Which layer of the Earth is soft and allows tectonic plates to move?
a. Crust
b. Mantle
c. Asthenosphere
d. Lithosphere
Answer: c. Asthenosphere
What is the thickest layer of Earth?
a. Crust
b. Mantle
c. Lithosphere
d. Asthenosphere
Answer: b. Mantle
What layer includes both the crust and the upper mantle?
a. Lithosphere
b. Asthenosphere
c. Core
d. Geosphere
Answer: a. Lithosphere
Why is the asthenosphere important?
a. It forms the atmosphere
b. It contains all living things
c. It allows tectonic plates to move
d. It generates Earth’s magnetic field
Answer: c. It allows tectonic plates to move
What is the geosphere made of?
a. Water, air, and living things
b. Solid rock and metals
c. Clouds and gases
d. Organic materials
Answer: b. Solid rock and metals
What is a nebula?
a. A type of star
b. A large cloud of gas and dust in space
c. A solid layer of Earth
d. A small rocky planet
Answer: b. A large cloud of gas and dust in space
What system includes Earth’s water?
a. Atmosphere
b. Biosphere
c. Geosphere
d. Hydrosphere
Answer: d. Hydrosphere
Which system includes the air we breathe?
a. Geosphere
b. Biosphere
c. Hydrosphere
d. Atmosphere
Answer: d. Atmosphere
What happens in the geosphere during an earthquake?
a. Water floods the land
b. Rocks break and move along a fault line
c. Air pressure changes
d. Heat from the mantle reaches the crust
Answer: b. Rocks break and move along a fault line
Which system is most affected by deforestation?
a. Lithosphere
b. Biosphere
c. Hydrosphere
d. Atmosphere
Answer: b. Biosphere