Science Activities : Page 30

Does your child know that salt water conducts electricity? This simple experiment will show how salt water acts as a conductor to electrical currents.

Check out this cool science fair project idea to learn why it is important for kids to eat healthy foods like fresh fruits and vegetables.

Check out this cool science fair idea on why hard fruits become soft and learn how to compare the sugar content between ripe and unripe fruits.

This easy project for little hands uses mushroom spores to make an imprint of the mushroom, and the result is very beautiful.

Many substances are compounds of different elements. This experiment combines iodine and zinc to make zinc iodide.

Science fair project that explores the natural process of limestone formation.

Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Use a microscope in this experiment to learn about different kinds of "good bacteria" that turn milk into yogurt!

Research historic methods of food preservation. Analyze alternative recipes and techniques of food preservation. Document success with photographs.

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

Do people only "hear" what they want to hear? Explore pareidolia and psychoacoustics with this easy science fair project that pits melody against white noise.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

Brighten up your home with this fun activity! Make a summer sun print and teach your child the art of easy print making.

Explore the belief in astrology as a predictive system.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Determine how good we are at direct and indirect observation.

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

Give your child a chance to experiment with how things grow. And throw in something extra to up the fun factor even more...her very own grass pet!

This science fair project idea explores what it takes to create a biosphere, or a self-sustaining ecosystem.

In this activity, you'll send your kindergartener on a scavenger hunt to find sounds and create a sound recording. Here's how!

Want to spark your third grader's interest in gardening? Help him make popsicle stick fairies to decorate an enchanting garden oasis.

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

In this kindergarten activity your child will create a map of your house and use a magnet to move pictures of your family through the house!

Does 100% Fruit Juice have more Vitamin C than juice with artificial ingredients? Find out in this science fair project idea!