1st - 6th Grade Science Projects Activities : Page 15

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

In this experiment we will be determining whether birds prefer certain colors of seed.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Do different types of oil mix or stack? Find out in this science fair project idea!

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

Make a backbone model to explore human anatomy and life science.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

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

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?