Elementary School Science Activities : Page 29

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

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.

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

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

What's a crater, and how does it happen? Here's a kindergarten experiment with safe, nontoxic ingredients.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Construct and experiment with a periscope using reflected light rays to gather an image.

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Create your very own scented hand sanitizer that will help your child to keep those nasty germs at bay!

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Is that seed alive or not? Here's an exciting way for kindergarteners to make a seed museum that your child can watch, using simple household materials.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

Help your child create a written message and practice their letters using sticks they find in nature. Here's how to get started.

This science fair project idea examines whether boys and girls differ in reflexes.

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

This activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Help your child create a garden journal sketchbook as she observes and records the natural world through the changing seasons.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

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

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.