2nd - 7th Grade Engineering and Science Inquiry Resources : Page 17

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

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

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

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

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

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.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

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

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

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

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

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

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

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

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.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

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

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

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

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

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

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