Stanford Achievement Test Stanford Achievement Environment and Earth Science 1 — Questions and Answers
Question 1: What is the term for the layer of gases surrounding Earth that protects life on the planet?
- Hydrosphere
- Lithosphere
- Atmosphere (Correct answer)
- Biosphere
Correct answer: Atmosphere
The atmosphere is the layer of gases surrounding Earth, providing oxygen to breathe and protecting life from harmful solar radiation.
Question 2: Which of the following is a renewable natural resource?
- Coal
- Natural gas
- Solar energy (Correct answer)
- Oil
Correct answer: Solar energy
Solar energy is renewable because it comes from the sun and is continually replenished, unlike fossil fuels which take millions of years to form.
Question 3: What process do plants use to convert sunlight into food?
- Respiration
- Photosynthesis (Correct answer)
- Evaporation
- Decomposition
Correct answer: Photosynthesis
Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to produce glucose and oxygen.
Question 4: What is the water cycle step in which water vapor cools and forms clouds?
- Evaporation
- Transpiration
- Condensation (Correct answer)
- Precipitation
Correct answer: Condensation
Condensation occurs when water vapor in the atmosphere cools and changes back into liquid water droplets, forming clouds.
Question 5: Which of the following best describes an ecosystem?
- A single plant or animal species
- A community of living organisms interacting with their physical environment (Correct answer)
- The soil layer of Earth
- Only the animals living in a forest
Correct answer: A community of living organisms interacting with their physical environment
An ecosystem includes all living organisms in an area and their interactions with the non-living environment, such as water, soil, and air.
Question 6: What is erosion?
- The process of rocks forming underground
- The wearing away and movement of soil and rock by wind or water (Correct answer)
- The heating of Earth's core
- The process of plants growing in soil
Correct answer: The wearing away and movement of soil and rock by wind or water
Erosion is the process by which wind, water, or other natural forces wear away and transport soil and rock from one location to another.
Stanford Achievement Test Stanford Achievement Environment and Earth Science 1
What is the term for the layer of gases surrounding Earth that protects life on the planet?