4th Grade Engineering and Science Inquiry Resources : Page 5

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

This science fair project teaches students about wilting and browning of salad greens.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

In this science fair project, students create their own miniature salt flats at home.

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

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

This science fair project idea explores the egg's thin membrane.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

This science fair project idea determines the most effective method of preserving food.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

This science fair project idea explores substances that cause a bubble to last longer.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

This science fair project idea determines what household items are good conductors of electricity.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

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

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

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.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

Test whether plants can grow without sunlight and water.

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

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