Science Activities : Page 23

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

Help your child celebrate the summer and the sun by making a sandy seascape.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

Celebrate April showers with a springtime arts and crafts activity: make sparkly, shiny raindrops with your kid.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

This biodiversity project examines the biodiversity in your own backyard.

Tin can phones offer something modern versions don't—a fun project to make with a friend, and a dramatic illustration of vibration and sound waves.

This science fair project teaches students about wilting and browning of salad greens.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

Science fair project that determines whether wireless networks damage living plants. Are WiFi radiation hazardous to your health?

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

In this science fair project, students create their own miniature salt flats at home.

Discover which method for odor removal words the best for stifling refrigerator odors.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

Help your child create a tasty treat that will demonstrate exactly how frogs survive a freezing season.

This project compares the strength of one, two, and three-ply toilet paper.

This science project examines the thermal properties of several major greenhouse gases.

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

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

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

The objective of this experiment is to evaluate whether funny advertisements are more or less effective than serious advertisements.

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

Your child grows a green thumb and flowers with this seed planting activity that also celebrates the 100th day of school!

This science fair project idea explores the egg's thin membrane.

This experiment investigates if small changes in your diet can alter your basal body temperature.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

This experiment will test whether people are better auditory or visual learners and if there is a link between gender and either of these learning types.