1st - 5th Grade Engineering and Science Inquiry Activities : Page 20

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

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.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

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?

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.

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.

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.