1st - 4th Grade Engineering and Science Inquiry Activities : Page 12

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

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

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

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 investigates how a bottom keel helps keep a boat from rocking back and forth.

Here's a science activity to help your child investigate how seeds are designed to travel.

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

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

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.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

This biodiversity project examines the biodiversity in your own backyard.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

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

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

This science fair project idea explores whether white light can be separated into different colors.

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

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

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

How well can people recall what they have observed. Test your knowledge in this fun experiment.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.