2nd - 4th Grade Science Activities : Page 12

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

This science fair project investigates why the number of visible stars changes from place to place.

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

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

This science fair project idea identifies trees using a dichotomous key.

This will encourage your child to utilize their observation skills, develop aesthetic awareness, build artistic drawing abilities and learn about the seasons.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

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

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

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

Help your kid feel like a superhero with this safe and fun science experiment that creates an electrical charge that's like a mini lightning bolt!

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.

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

Slip some science into storm watching with a homemade rain gauge!

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

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

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

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

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.

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

This science fair project idea explores the different properties of matter.