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Unit 2 Lessons 5 and
| Question | Answer |
|---|---|
| Which of Earth’s systems do you interact with when you wash your hands? | hydrosphere |
| You interact with all four of Earth’s systems in the morning, at school and at ________________________. | home |
| When you throw away trash, it is taken to the landfill where it can decompose, or break into smaller pieces. Which of the following items is likely to take a long time to decompose? | water bottles |
| Taking materials from old discarded objects and making new objects from them is ___________________________ . | recycling |
| It is important to dispose of electronic devices properly because they contain materials that are ________________________. | toxic |
| All foods that you eat comes from either plants or animals, which is the _________________. | biosphere |
| The wise use of material and energy resources is _________________________. | conservation |
| When a material _______________________ it is broken down into smaller pieces. | decomposes |
| A ___________________ is an area of land or water that is set aside to protect wildlife. | wildlife refuge |
| All of the water found on Earth is the ________________________. | hydrosphere |
| All of the living things found on Earth is the ________________________. | biosphere |
| A mixture of gases that surround the Earth is the ________________________. | atmosphere |
| The rock, soil, and sediment on Earth's surface is the ________________________. | geosphere |
| Countries can pass ________________________ that protect Earth's systems. | laws |
| We can protect Earth systems by recycling, reusing, and ________________________. | reducing |
| Devices that remove dirt and harmful pollutants from smoke produced by burning coal are called ________________________. | scrubbers |
| Planting trees help _________________ the atmosphere because trees release oxygen into the air. | protect |
| Water bottles are _______________________ to the environment because they take 400 - 1000 years to decompose. | harmful |
Created by:
rothsteine
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