Earth's Layers
1. Which layer do we live on?
A. Core
B. Crust
C. Mantle
D. Outer Core
B. Crust
1. What is weathering?
A. Making rocks bigger
B. Breaking rocks into smaller pieces
C. Moving rocks by wind
D. Melting rocks
B. Breaking rocks into smaller pieces
1. What is weather?
A. Average weather for many years
B. The condition of the atmosphere at a certain time and place
C. The study of rocks
D. The movement of Earth
B. The condition of the atmosphere at a certain time and place
1. What is an earthquake?
A. A strong wind
B. A flood
C. Sudden shaking of the ground
D. Heavy snowfall
C. Sudden shaking of the ground
1. What is a biome?
A. A mountain
B. A large area with similar plants, animals, and climate
C. A river
D. A desert storm
B. A large area with similar plants, animals, and climate
2. Which layer is the thickest?
A. Crust
B. Mantle
C. Inner Core
D. Outer Core
B. Mantle
2. Which force caused the boulder to roll down a mountain?
A. Wind
B. Water
C. Gravity
D. Ice
C. Gravity
2. Which air mass forms over the ocean?
A. Continental
B. Maritime
C. Polar
D. Tropical
B. Maritime
2. What is a tornado?
A. A snowstorm
B. A rotating column of air
C. A volcano
D. A flood
B. A rotating column of air
2. Which biome receives less than 25 cm of rain each year?
A. Forest
B. Grassland
C. Desert
D. Tundra
C. Desert
3. The Earth's core is mostly made of ________.
A. Sand and clay
B. Water and air
C. Iron and nickel
D. Wood and stone
C. Iron and nickel
3. What is deposition?
A. Breaking rocks
B. Moving rocks
C. Dropping weathered materials
D. Melting rocks
C. Dropping weathered materials
3. Which cloud often brings thunderstorms?
A. Cirrus
B. Stratus
C. Altocumulus
D. Cumulonimbus
D. Cumulonimbus
3. Which volcano may erupt again in the future?
A. Active
B. Dormant
C. Extinct
D. Dead
B. Dormant
3. Which natural resource gives us light and heat?
A. Trees
B. Water
C. Sun
D. Soil
C. Sun
4. Which statement is TRUE?
A. The crust is the thickest layer.
B. The mantle is above the crust.
C. The crust floats on the mantle.
D. The core is outside the crust.
C. The crust floats on the mantl
4. Which agent formed sand dunes?
A. Water
B. Gravity
C. Wind
D. Ice
C. Wind
4. What is the boundary between two air masses called?
A. Climate zone
B. Humidity line
C. Weather front
D. Wind belt
C. Weather front
4. What causes magma to rise and form volcanoes?
A. Heavy rain only
B. Movement of tectonic plates or hot spots
C. Wind
D. Snow
B. Movement of tectonic plates or hot spots
4. Which resource is renewable?
A. Coal
B. Oil
C. Natural gas
D. Sunlight
D. Sunlight
5. Which is the correct order from the outside to the inside of Earth?
A. Crust → Mantle → Outer Core → Inner Core
B. Mantle → Crust → Inner Core → Outer Core
C. Crust → Inner Core → Mantle → Outer Core
D. Mantle → Outer Core → Crust → Inner Core
A. Crust → Mantle → Outer Core → Inner Core
5. Which process removes and carries away weathered materials?
A. Weathering
B. Deposition
C. Erosion
D. Melting
C. Erosion
5. Why does warm air usually have lower air pressure?
A. It has more water.
B. It is heavier.
C. It is less dense than cold air.
D. It contains more oxygen.
C. It is less dense than cold air.A) Behavior and activities
5. Where do most earthquakes happen?
A. In rivers
B. In deserts
C. Along tectonic plate boundaries and faults
D. In forests
C. Along tectonic plate boundaries and faults
5. Why are trees important natural resources?
A. They make rocks.
B. They stop earthquakes.
C. They produce oxygen and provide wood.
D. They make clouds.
C. They produce oxygen and provide wood.