4th - 7th Grade Engineering and Science Inquiry Activities : Page 8

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.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

This science fair project idea produces sounds by creating vibrations using different objects.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

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.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.

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 experiment tests whether warm or cold water works best in making cut flowers last longer.

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

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

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

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