4th - 6th Grade Science Activities : Page 18

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

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.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

This science fair project idea examines whether boys and girls differ in reflexes.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Construct batteries that make electricity from fruits with this fun science fair project.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

An home science experiment for older students that teaches about the science behind heat.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Demonstrate how to tell the age of an egg without having to crack it open.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Find out whether putting something on top of a plant will inhibit its growth.

Which do you prefer: real or artificial? Try this sweet little taste experiment to help your kids develop a better awareness of the food they consume.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

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

This science fair project idea explores whether cats can be trained in the same way that dogs can.

This easy at-home experiment is a great way to "see" science.