Science Chapter 2
Quiz by Debbie Cilio
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21 questions
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- Q1WeatheringThe breaking down of rocks and other materials on the Earth's surface.30s
- Q2TopsoilA mixture of humus, minerals, and small amounts of clay and sand. Most plants have their roots here!30s
- Q3SubsoilA mixture of clay and worn down rock. Earthworms bring subsoil to the surface. When it rain, minerals from rain water travel down into the subsoil30s
- Q4SoilA mixture of rock, organic material, water and air that can support the life of a plant.30s
- Q5HumusThe remains of decayed plants and animals.30s
- Q6How is soil formed?Rock on Earth's surface is broken (weathered) down into smaller pieces. These pieces come together over time to make soil.30s
- Q7How does Humus help soil?Humus puts nutrients (food) in the soil for plants and helps soil retain (hold onto) moisture30s
- Q8SiltRocks smaller than sand but bigger than clay30s
- Q9DecayWhen dead plants or animals break down into small pieces30s
- Q10Conservationwise use of such things as oil, air, trees and water30s
- Q11Natural Resourceany of Earth's useful materials30s
- Q12When is energy produced?When fuel burns.30s
- Q13One of the properties of a mineral ishardness30s
- Q14Fossil fuels arenonrenewable resources30s
- Q15A wind farm uses the windto produce electricity.30s