5th - 7th Grade Engineering and Science Inquiry Activities : Page 9

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.

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.

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

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?

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

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

This science fair project investigates why the number of visible stars changes from place to place.

Science fair project that determines whether mass and weight are the same or different.

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

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

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

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

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.