Soil Formation
Rapid Changes
Earth's Resources
Life Cycles & Adaptations
Environmental Changes & Food Chains
100
What is the process that breaks down rocks into smaller pieces?
A. Decomposition
B. Melting
C. Weathering
D. Erosion
What is weathering?
100
Which of the following is a rapid change that can happen to Earth’s surface?
A. Plant growth
B. Volcanic eruption
C. Weathering
D. Erosion
B. Volcanic eruption
100
Which of these is a natural resource?
A. Plastic
B. Water
C. Pencil
D. Brick
B. Water
100
What is a life cycle?
A. A type of bicycle
B. The way animals sleep
C. The stages an organism goes through from beginning to end
D. How animals run
C. The stages an organism goes through from beginning to end
100
Which two weather factors can affect animals and plants?
A. Temperature and precipitation
B. Wind and sunlight
C. Clouds and fog
D. Moonlight and shadows
A. Temperature and precipitation
200
Which type of soil is made of tiny particles and holds water well?
A. Sand
B. Clay
C. Gravel
D. Silt
What is clay?
200
What can happen during an earthquake?
A. Rain falls heavily
B. The ground shakes or cracks
C. A volcano explodes
D. Mountains melt
B. The ground shakes or cracks
200
Which natural resource is commonly used to build houses and buildings?
A. Oil
B. Cotton
C. Wood
D. Salt
C. Wood
200
C. Egg
200
What do some animals do when it gets too cold in winter?
A. Grow flowers
B. Change color
C. Migrate or hibernate
D. Swim in lakes
C. Migrate or hibernate
300
Which type of soil is made from large particles and does NOT hold water well?
A. Clay
B. Loam
C. Sand
D. Humus
What is sand?
300
Which rapid change can cause rocks and soil to quickly slide down a hill or mountain?
A. Erosion
B. Earthquake
C. Landslide
D. Flood
C. Landslide
300
Farmers use soil and water, which are natural resources, mainly for what purpose?
A. Building bridges
B. Growing crops
C. Making clothes
D. Running machines
B. Growing crops
300
D. Both plants begin as seeds and grow larger over time
300
What is migration?
A. When animals grow new fur
B. When animals sleep through the day
C. When animals move to warmer places
D. When animals change into a new form
C. When animals move to warmer places
400
Besides weathering, what helps form soil by breaking down plants and animals?
A. Freezing
B. Evaporation
C. Decomposition
D. Condensation
Decomposition
400
Which of these rapid changes causes lava to come out of the ground and form new land?
A. Tornado
B. Hurricane
C. Volcanic eruption
D. Earthquake
C. Volcanic eruption
400
Which natural resource is turned into gasoline for transportation?
A. Coal
B. Oil
C. Iron
D. Water
B. Oil
400
Which of these shows the correct order of a lima bean’s life cycle?
A. Flower → Seed → Sprout → Plant
B. Seed → Sprout → Plant → Flower
C. Egg → Larva → Pupa → Adult
D. Sprout → Seed → Plant → Flower
B. Seed → Sprout → Plant → Flower
400
What happens to some plants during very cold or dry seasons?
A. They migrate
B. They bloom
C. They enter dormancy
D. They grow faster
C. They enter dormancy
500
How do weathering and decomposition work together to form soil?
A. Weathering adds nutrients, and decomposition breaks rocks
B. Decomposition turns rocks into sand
C. Weathering breaks rocks into particles; decomposition adds nutrients from dead plants and animals
D. Both remove soil from Earth’s surface
C. Weathering breaks rocks into particles; decomposition adds nutrients from dead plants and animals
500
How are earthquakes, volcanic eruptions, and landslides alike?
A. They all happen slowly over time
B. They all cause the surface of the Earth to change quickly
C. They are caused by wind and rain
D. They only happen in cold places
B. They all cause the surface of the Earth to change quickly
500
How do humans use natural resources to make products?
A. By creating energy from the moon
B. By recycling materials like plastic and glass
C. By changing raw materials like trees and cotton into items like paper and clothes
D. By planting flowers for decoration
C. By changing raw materials like trees and cotton into items like paper and clothes
500
How is the life cycle of a beetle different from the life cycle of a radish?
A. A beetle starts as a seed, and a radish starts as an egg
B. A beetle has a larva and pupa stage; a radish grows from a seed
C. A beetle grows underground, and a radish flies
D. They have the same life cycle
B. A beetle has a larva and pupa stage; a radish grows from a seed
500
How does cold weather help animals know when to hibernate or migrate?
A. The snow makes them sleepy
B. Their bodies sense the change and respond to the lower temperature
C. Their parents tell them
D. Rain pushes them underground
B. Their bodies sense the change and respond to the lower temperature