1. The water cycle: How does water move through the Earth's atmosphere and surface?
2. The solar system: Learn about the planets, the sun, and their interactions with each other.
3. States of matter: What are solids, liquids, and gases, and how do they change under different conditions?
4. Simple machines: Explore how simple machines like levers, pulleys, and gears make our work easier.
5. Sound: Learn how sound is produced, how it travels, and how it can be amplified or dampened.
6. Forces and motion: Understand the concepts of force, motion, and acceleration through simple experiments.
7. Electricity: Discover how electricity is produced, how it flows, and how it is used in everyday life.
8. Light: Learn about the properties of light and how it interacts with objects and surfaces.
9. Ecosystems: Understand how living organisms interact with each other and their environment.