2nd - 8th Grade Science Projects Activities : Page 18

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

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

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

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.

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.

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

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.

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.

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

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.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.