2nd and 3rd Grade Engineering and Science Inquiry Activities : Page 7

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

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

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

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

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

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

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.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

This biodiversity project examines the biodiversity in your own backyard.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Test your friends to find out if you can replicate the placebo effect's incredible results.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Cleaning can be a chore, but not with this sudsy experiment!

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.