1st - 4th Grade Science Activities : Page 14

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

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

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

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

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

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

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

This science fair project idea investigates the difference in reaction times between boys and girls.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

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

Inspire your child to learn about an amazing animal as she creates her very own polar bear habitat.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Create a brush pile to help wintering wildlife stay warm and cozy through the winter.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

This biodiversity project examines the biodiversity in your own backyard.

This science experiment tests if dog saliva can really help heal wounds.

In first grade, children are introduced to fractions. Here's a recipe that combines fraction practice with winter fun and lets kids actually paint the snow!

Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

Make a lei and bring a touch of the tropical lifestyle into your home!

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

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

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.

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?