All flashcards
Flashcard 1: What is a cause-and-effect relationship in Earth systems?
Answer: One change (cause) produces a result (effect) in a system. Events in one system trigger changes in another system.
Flashcard 2: What are the four main Earth systems commonly studied in 5th grade science?
Answer: Geosphere, hydrosphere, atmosphere, biosphere. These four systems interact and affect each other on Earth.
Flashcard 3: Identify the effect on the atmosphere when a large volcano erupts and releases ash.
Answer: More particles in air; reduced sunlight and cooler temperatures. Ash blocks sunlight, cooling Earth's surface temperature.
Flashcard 4: Identify the effect on the hydrosphere when air temperatures stay below freezing for days.
Answer: More water freezes into ice and snow. Cold air causes liquid water to change state to solid ice.
Flashcard 5: Identify the effect on the geosphere when heavy rain falls on a steep hillside.
Answer: Increased erosion and possible landslides. Water loosens soil on slopes, causing it to move downhill.
Flashcard 6: Which Earth system includes all living things such as plants, animals, and microbes?
Answer: Biosphere. This system contains all life forms on Earth.
Flashcard 7: Which Earth system includes the air, clouds, and weather conditions?
Answer: Atmosphere. The layer of gases surrounding Earth forms this system.
Flashcard 8: Which system interaction is shown when ocean water evaporates and forms clouds?
Answer: Hydrosphere affects the atmosphere. Water vapor rises from oceans to form clouds in the sky.
Flashcard 9: Which system interaction is shown when rainwater soaks into the ground and becomes groundwater?
Answer: Atmosphere affects the hydrosphere and geosphere. Rain moves water from air through soil into underground storage.
Flashcard 10: Identify the effect on the atmosphere when forests are cut down over a large area.
Answer: Less oxygen production and more carbon dioxide in the air. Trees remove CO₂ and produce O₂; cutting them reverses this.
Flashcard 11: Identify the effect on the hydrosphere when a glacier melts rapidly.
Answer: Sea level rises and more freshwater enters oceans and rivers. Melting ice adds water volume to oceans and dilutes salt content.
Flashcard 12: Which system interaction is shown when plant roots break apart rock to form soil?
Answer: Biosphere affects the geosphere. Living roots physically break rocks into smaller pieces.
Flashcard 13: Identify the effect on the biosphere when a long drought reduces available freshwater.
Answer: Plants and animals may die or migrate due to less water. Living things need water to survive and must adapt or leave.
Flashcard 14: Which system interaction is shown when wind blows sand and shapes dunes?
Answer: Atmosphere affects the geosphere. Moving air carries sand particles, reshaping land features.
Flashcard 15: Which Earth system includes oceans, rivers, lakes, groundwater, and ice?
Answer: Hydrosphere. All water on Earth in any form belongs to this system.
Flashcard 16: Identify the effect on the geosphere when a river flows fast after snowmelt.
Answer: More sediment is carried; riverbanks erode faster. Fast water has more energy to pick up and move soil particles.
Flashcard 17: Identify the effect on the biosphere when a flood covers land for several days.
Answer: Some organisms die; habitats change and disease risk increases. Excess water drowns organisms and spreads waterborne diseases.
Flashcard 18: Identify the effect on the atmosphere when ocean water warms over a large region.
Answer: More evaporation; higher humidity and increased storm potential. Warm water evaporates faster, adding moisture and energy to air.
Flashcard 19: Which system interaction is shown when animals drink water and use it to survive?
Answer: Hydrosphere supports the biosphere. Living things depend on water for basic life processes.
Flashcard 20: Which Earth system includes rocks, soil, landforms, and Earth’s interior?
Answer: Geosphere. The solid, rocky parts of Earth make up this system.
Flashcard 21: What does the term "atmosphere" mean in Earth system cause-and-effect examples?
Answer: The layer of gases surrounding Earth. The atmosphere is Earth's protective gaseous envelope.
Flashcard 22: Which Earth system is the cause when rain falls from clouds to the ground: atmosphere, hydrosphere, geosphere, or biosphere?
Answer: Atmosphere. Clouds form in the atmosphere before releasing precipitation.
Flashcard 23: Which Earth system is the effect when rainwater soaks into soil and becomes groundwater?
Answer: Hydrosphere. Groundwater is part of Earth's water system.
Flashcard 24: Identify the cause-and-effect pair when flowing water wears away a riverbank.
Answer: Cause: hydrosphere; Effect: geosphere (erosion). Moving water physically removes soil and rock material.
Flashcard 25: Identify the cause-and-effect pair when wind blows sand and reshapes dunes.
Answer: Cause: atmosphere; Effect: geosphere. Wind carries particles that reshape landforms.
Flashcard 26: Which interaction best describes condensation: water vapor forms clouds?
Answer: Atmosphere forms liquid droplets (clouds) from water vapor. Water vapor cools and forms tiny droplets in clouds.
Flashcard 27: Which interaction best describes evaporation: water becomes water vapor and enters the air?
Answer: Hydrosphere causes change in atmosphere (water vapor). Liquid water transforms to gas and rises into air.
Flashcard 28: Identify the cause-and-effect pair when plant roots break apart rock over time.
Answer: Cause: biosphere; Effect: geosphere (weathering). Living organisms physically break down rocks.
Flashcard 29: Which Earth system is the effect when carbon dioxide released by living things enters the air?
Answer: Atmosphere. Living organisms release gases during respiration.
Flashcard 30: Identify the cause-and-effect pair when animals dig burrows that loosen and mix soil.
Answer: Cause: biosphere; Effect: geosphere (soil changes). Animal activity physically alters soil structure.