Showing Results for high frequency 3 : Page 2

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

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

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

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

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

The goal of this project is to create an exciting topographical map out of dough.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

In this experiment we will be determining whether birds prefer certain colors of seed.

Find out whether putting something on top of a plant will inhibit its growth.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

An home science experiment for older students that teaches about the science behind heat.

This science fair project idea explores whether talking to a plant will help it grow.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

This science fair project idea explores how length affects the weight a bridge can hold.