Unit 6 Vocabulary

2. Something that involves the whole world or affects many countries around the world.
4. The mixture of gases, like oxygen and nitrogen, that surrounds the Earth and is necessary for breathing and life.
6. Gases or particles that are released into the air, usually from sources like cars, factories, or burning fuel. Some emissions can be harmful to the environment and health.
8. Natural materials or sources, like sunlight, wind, water, or fossil fuels, that can be used to produce energy, such as electricity or heat, to power homes, vehicles, and factories.
10. Pollutants released into the air (combination of smoke and fog)
11. The ability to do something in the best way possible, using the least amount of time, energy, or resources.
13. Particles of rock and clay that settle at the bottom of rivers and oceans

1. The act of using or something, like food, water, or energy. It’s when we take in or use resources for our daily needs.
3. ill health that results from not getting enough to eat or not getting the proper nutrient-rich foods
5. A clear, colorless liquid that is essential for life. It makes up most of the Earth’s surface and is needed by all living things to stay alive and healthy.
7. When people don't have enough money to meet their basic needs, like food, shelter, and clothing.
9. The breaking down and carrying away of particles of rock
10. the top layer of the Earth’s surface, made up of tiny bits of rock, organic matter, and minerals. It is where plants grow and provides nutrients for living things.
12. The careful use of a resource to prevent it from being wasted and make it last longer