- The Bubbling Volcano: Create a volcanic eruption using baking soda and vinegar.
- Rainbow in a Jar: Explore density and create a colorful rainbow in a jar with different liquids.
- Floating Egg Experiment: Learn about density and buoyancy by making an egg float in water.
- Static Electricity Butterfly: Use static electricity to make a butterfly hover in the air.
- DIY Lava Lamp: Make a homemade lava lamp using water, oil, and alka-seltzer tablets.
- Balloon Rocket Science: Build and launch a balloon rocket to learn about thrust and motion.
- Invisible Ink: Write secret messages using lemon juice and reveal them with heat.
- Growing Gummy Bears: Observe the effects of osmosis by growing gummy bears in different liquids.
- Solar System Model: Create a scale model of the solar system using everyday objects.
- Hot Ice Science: Make hot ice using baking soda and vinegar and explore the science behind it.
- Chromatography Art: Experiment with colors using chromatography to create beautiful artwork.
- Magnetic Slime: Make slime that reacts to magnets and explore the properties of magnets.
- Magic Milk Experiment: Observe the effects of surface tension and create colorful milk patterns.
- Exploding Pop Rockets: Launch film canister rockets using baking soda and vinegar.
- Homemade Hovercraft: Build a hovercraft from a CD and a balloon and learn about air pressure.
These hands-on science experiments and activities are perfect for fourth graders to explore various scientific concepts in a fun and engaging way. Enjoy learning and discovering the wonders of science!
