Elementary School Engineering and Science Inquiry Activities : Page 13

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

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

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

People have favorite flavors, but what about ants? Which ant food is the most popular?

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

This project examines what types of objects burn and which burn faster and cleaner.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Do different types of oil mix or stack? Find out in this science fair project idea!

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

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

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

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!

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

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

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

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

In this fun activity, your child will create their very own solar oven to bake s'mores!

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

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

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

This science project teaches students to classify different shapes of leaves.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

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.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.