1. Human Body

2. Human Body What about our brains? • When you are six years old, your brain will weigh three pounds. • That is as heavy as it will ever get. Jerry

3. Human Body Why Do We Have Bones? • When you are grown up, you will have 206 bones. • Half of these bones are in your hands and feet. Jerry

4. Human BodyWhere are the nerves? • Nerves branch out from the brain and the spinal cord. • These nerves then branch out into smaller nerves all over the body. Spencer

5. Human BodyWhy Do We Have Bones? • If you had no skeleton, you would be a blob! • Your skull protects your eyes and your brain. Spencer

6. MATTER

7. MatterWhat is Matter? • All things are made of matter. • Matter has mass and takes up space. Ryan

8. MatterWhat are States of Matter? • The three states of matter are solid, liquid and gas. Ryan

9. MatterWhat is a solid? • A solid is matter that has its own mass, shape, and size. Connor

10. MatterWhat is a gas? • Gas is matter that can change size and shape. Connor

11. MatterHow does matter change from one state to another? • When an ice cube, which is a solid, gets warm, it melts into a liquid. • When the liquid gets hot, it turns into a gas. Connor

12. ENERGY

13. EnergyWhere do we get energy? • Energy can be found under ground. • Some sources of energy are gas, oil and coal. Jacob

14. EnergyWhat is electrical energy? • Power plants burn coal and oil to make electricity, which is a form of energy. • The electricity is carried through power lines to our homes. Jacob