Showing Results for two digit old : Page 5

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

This science fair project idea determines whether land or water warms more quickly and investigates how solar radiation increases the temperature of surfaces.

This science project examines the effectiveness of various types of laundry detergents on stains trapped on a white handkerchief.

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

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

Demonstrate and describe acid-base reactions of baking soda and baking powder by making pancakes.

This science fair project idea explores substances that cause a bubble to last longer.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Study emulsifiers and learn how they are used in food science, medicine, soaps and cosmetics. Identify which materials are created using an emulsifier.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

This experiment will explore whether adding different substances to a gel affects its strength.

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

Think about the adaptive utility of an important aspect of our physiology.

This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.

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

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

This science fair project idea investigates whether rocks containing geodes can be determined from the outside.

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

What colors can dogs see? Do they only have black and white vision, or can they see other colors too? Find out in this cool science experiment!

In this science project idea learn about working of different types of smoke detectors and find out which one is the most effective for you.

Science fair project that demonstrates how stalagmites and stalactites are formed.

This science project involves comparing the relative effectiveness of salt, pepper and dehydration in food preservation.

This science fair project idea provides evidence that air is everywhere and takes up space.

This experiment will examine and precisely measure the amount of sugar in various sodas.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.