Across
- 6. are made up of minerals your body needs - table salt, water, magnesium.
- 7. contain hydrogen and oxygen; all the sources of energy in your diet - carbohydrates, fats, proteins.
- 8. is the study of the makeup, structure, and properties of substances and the changes that occur to them.
- 9. are substances that are put together but not chemically combines ex. Milk has calcium and salt.
- 11. one kind of atom; food processing can strip some foods of these vital elements- iron, and calcium, potassium.
- 12. is matter in which all the basic units are the same; either elements or compounds; elements important for good health.
Down
- 1. Is formed when atoms share one or more pairs of electrons.
- 2. Electrons are transferred from one atom to another and it causes both atoms to have a charge.
- 3. non-uniform distribution of particles ex. Vegetable soup.
- 4. occurs whenever new substances with different chemical and physical properties are form are formed.
- 5. uniform distribution of particles throughout ex. Tea or soft drinks.
- 10. involve changing shape, phyical state, size, temperature without changing the chemical identity.