Unit 2 Vocabulary Words-6th Grade

What is the term for the following definition? The layers of gases that surround Earth, including the air we breathe.

• Atmosphere

• Lithosphere

• Hydrosphere

• Biosphere

What is the term for the following definition? All living things on Earth, such as plants, animals, and people, and the places they live.

• Biosphere

• Lithosphere

• Atmosphere

• Hydrosphere

What is the term for the following definition? The solid outer part of Earth, made up of rocks, soil, and landforms like mountains.

• Lithosphere

• Hydrosphere

• Atmosphere

• Biosphere

What is the term for the following definition? All the water on Earth, including oceans, rivers, lakes, groundwater, and even water in the air.

• Hydrosphere

• Lithosphere

• Atmosphere

• Biosphere

What is the term for the following definition? The solid parts of Earth, including rocks, mountains, land, and the layers beneath the surface (crust, mantle, and core).

• Geosphere

• Atmosphere

• Hydrosphere

• Biosphere

What is the term for the following definition? The ways Earth and the Sun interact, such as how Earth’s tilt and orbit cause seasons, day and night, and changes in temperature.

• Earth–Sun Relationships

• Plate Tectonics

• Water Cycle

• Photosynthesis

What is the term for the following definition? The natural world around us, including land, water, climate, and plants.

• Physical Environment

• Human Resources

• Economic System

• Cultural Heritage

What is the term for the following definition? The ways people adjust to their environment, like building houses on stilts in flood areas or wearing warm clothes in cold climates.

• Human Adaptation

• Cultural Diffusion

• Urbanization

• Deforestation

What is the term for the following definition? Any change in the natural world, such as a forest fire, flood, or climate change.

• Environmental Change

• Photosynthesis

• Erosion

• Biodiversity

What is the term for the following definition? Using resources in a way that protects the environment so that future generations can meet their needs too.

• Sustainability

• Deforestation

• Pollution

• Overconsumption