Science Activities : Page 21

This science fair project idea explores whether the color of surroundings affects human mood.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

This science fair project idea investigates whether plants can survive being frozen.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

This science fair project idea demonstrates sonar mapping of the ocean floor.

This science project challenges students to study the salt content in tap water and learn about electrochemistry.

Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.

Science fair project that uses distillation to convert salt water into fresh water.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

Create your own light bulb and test filaments of different thicknesses to see which keeps the bulb burning for the longest time.

Looking for a project on machines? Get a fun elementary school science fair project idea to design a compound machine using your knowledge of simple machines.

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

Making your own glass cleaner is easy, effective and inexpensive!

Do your laundry and your science project simultaneously! This science fair project investigates whether the color of a garment affects the time needed to dry.

Which type of sunglass lenses gives you the best protection from the sun's harmful UV rays? Find out in this cool science project!

In this design challenge, your child will make a bottle rocket using typical household items.

Teach your child the meaning of recycle and reuse by repurposing plastic spoons as plant markers for your vegetable garden.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

In this project, you'll create Oersted's experiment, which relates to how electric currents create magnetic fields.

Examine the effect of pressure on carbonation in soda.

Is your child a nature nut with an eye for creative, green-friendly projects? Introduce them to this amazing DIY bird feeder!

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

Make a backbone model to explore human anatomy and life science.

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

Explore how you can achieve magnetic levitation with the Meissner Effect! This cool science project explains formation and applications of a superconductor.

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.