Nutrients and What They Supply in the Body

Nutrients are substances that nourish the body. When you eat, food is broken down into these nutrients. It may be easier to think about nutrients as substances that keep the body alive and healthy. Nutrients are responsible for: Growth Repair and maintenance of body parts Regulation of body function, such as maintaining a constant body…...

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Chemical Properties of Water

Be sure to check out all the posts on the Physical Properties of water!! Recall that the properties of water can be divided into two categories: chemical and physical. This post focuses on the chemical properties of water. Conductivity Regular water and electricity NEVER go together. I am sure that you have always been told…...

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Physical Properties of Water: Part 2

This post is a continuation from “Physical Properties of Water: Part 1” Water Density: Density can be described as how close together the molecules of a substance are or how much mass the same substance has in a given space. Take for example a cup of jelly beans and a cup of marshmallows. The cup…...

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Mixed Review – Addition, Subtraction, Multiplication – 38 Questions

Mixed Review Complete. 1. 28  +  670 2. 9,219  +  59 3. 966  +  88 4. 457  +  8,927 5. 1,117  +  1,311 6. 28  +  267 7. 5,951  +  3,409 8. 10  +  41 9. 684  +  6,433 Complete. 10. 7  x  6 11. 85  x  2 12. 2  x  6 13. 3  x  6 14. 52  x  4 15. 22  x  2 16. 4  x  4 17. 6  x  3 18. 30  x  3 Write the value of . 19. 9 ten thousands thousands 4 hundreds 1 one =…...

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Physical Properties of Water: Part 1

Water has many different properties and can be divided into two broad categories: physical and chemical properties. Physical Properties Adhesion and Cohesion: In the simplest of terms, water adhesion refers to the attraction of water molecules to other substances and cohesion refers to the attraction of water molecules to themselves. You can think of it…...

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