Preschool - 5th Grade Science Activities : Page 6

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

This science fair project teaches students the differences between fruits and vegetables.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

Kids are sure to be entranced by the magic of the ocean when they create their very own ocean in a bottle.

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

This simple activity is not only fun, it's also a useful way to organize children's closets — and offer kids some autonomy to boot.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

In this design challenge, your child will make a bottle rocket using typical household items.

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Teach your child about healthy foods and how to make a meal that is good for them with this fun activity that you both can do together.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

Show your child the solar system and let them explore the stars and space by creating a painting. It's a fun and easy way capture your child's imagination.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.