Search 3rd Grade Science Projects : Page 3

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

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

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

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 science fair project, students use the streak test to tell minerals apart from each other.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

This science fair project will help students learn about non-vascular plants, such as mosses.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

Determine if gender affects the ability to identify different smells.

This project determines what category of person is most likely to be ticklish.

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

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

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

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

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

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.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.