Kindergarten - 6th Grade Engineering and Science Inquiry Activities : Page 22

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

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

This science experiment has students test whether a snail moves faster on concrete or dirt.

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

Science fair project that determines whether mass and weight are the same or different.

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

This activity challenges your student to use spatial reasoning and computational thinking to program multiple robots.

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Checkerboard play challenges students to use spatial reasoning and computational thinking.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

This snowman's not abominable, he's adorable! Your child can bring her very own snowman to life while practicing how to create texture.

This science fair project examines how seeds hitchhike on animals and clothing.

This is a fun and inexpensive project and it's a great way for your child to build basic geometry skills, like shape recognition and pattern/angle familiarity.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

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