2. The materials that are created by humans from natural resources, and they are know as artificial or man-made resources.

3. These are resources that, after being used or extracted, have the capacity to regenerate.

Example: Trees and crops

4. These resources cannot be renewable in a natural way after they have been used up, or if they can, it takes thousands of years to do so.

5. It is a flexible material whose fabrication requires oil. It is used to make toys, trash cans and some types of bags, amount many other items.

6. It is mostly made from sand,, plus other components in smaller quantities. It is used to make bottles, vases and windows.

7. Some objects are made out of a mixture of clay and others materials. These object include cups, jars and porcelain.

8. It is made from wood pulp. It is used to make books, notebooks and napkins, amount many other products.

9. They are obtained directly from the ground. They include things like cooper, gold, silver and iron.

10. They come from animals. Some examples are milk, wool, leather and eggs.

11. They are obtained from trees that are used for their wood.

12. These are resources that come from water, either for consumption or to produce electricity.

13. These are resources from plants. Grains, fruits and vegetables are all examples of this type of resource.

14. They come from water and are used for human consumption. Some examples are sardines, salmon tuna and cod.

15. Animals, oil, coal, plants, trees and minerals like copper and iron are examples of:

16. Plastics, ceramics, glass and paper are examples of:

17. It is all the leftover material that cannot be used to make new objects.

18. These materials decompose naturally in a short amount of time. For example: banana peel, takes between two and ten days to decompose.

19. These materials take a long time to decompose. For example, it takes glass around 4,000 years to decompose and a plastic bag around 150 years.

20. Some measures that will help you protect essential resources are: