2nd - 5th Grade Engineering and Science Inquiry Resources : 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.

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.

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?

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

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.

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.

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

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

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.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

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.

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

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

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.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

In this project children practice the scientific method while playing with puffy paint.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Test whether plants can grow without sunlight and water.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

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.