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Science

1. Matter

Unit Preview , Physical Properties , Solids, Liquids, & Gases , Evaporation , Combining Substances , Atoms , Summary

2. Simple Machines

Unit Preview , Lever , Pulley , Inclined Plane , Wedge , Screw , Wheel & Axle , Summary

3. Magnets

Unit Preview , Magnet Pick Up , Magnetic Poles , Magnetic Force , Summary

4. Sound

Unit Preview , Sounds All Around , Sound Sort , Vibration Detective , Sound Detective , Sound Waves , Summary

5. Energy

Unit Preview , Food Energy , Fuel Energy , Batteries , Electric Currents , Sun and Shadows , Light Reflection , Summary

6. Plants

Unit Preview , Plant Sort , Parts of a Plant , Plant Growth , Let it Grow Experiments , Where does this Plant Belong , Summary

7. Animals

Unit Preview , Animal Match , Habitats , Summary

8. Life Cycles

Unit Preview , Life Cycles , Summary

9. Landforms

Unit Preview , What Landforms Do You See? , Summary

10. Weather

Unit Preview , Weather , Summary

11. Earth Resources

Unit Preview , Earth Resources , Summary

12. Geology

Unit Preview , Geology , What is a Mineral? , What Is a Rock? , The Rock Cycle , Fossils , What is Soil? , Summary

13. Astronomy

Unit Preview , Star Patterns , Phases of the Moon , Observing Our Sky , Our Solar System , The Sun , What Causes the Seasons , Summary

14. Observations

Unit Preview , Observing Using Your Senses , Observing Physical Properties , Observing Relative Position , Making Predictions Through Observations , Summary

15. Earth and Space

The Earth , The Sun, Moon, and Stars , The Seasons , Weather and Climate , Landforms and Water Forms , Summary

16. Data Collecting and Graphing

Unit Preview , Data Collecting , Graphs , Summary

17. Life Science

Unit Preview , Is It Alive? , Life Cycle of a Frog , Life Cycle of a Tree , Life Cycle of a Butterfly , Life Cycle of a Human , Summary

18. Physical Science

Unit Preview , Energy , Summary