4th and 5th Grade Engineering and Science Inquiry Activities : Page 13

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

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

Construct batteries that make electricity from fruits with this fun science fair project.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

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

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.

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

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

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

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

In this science fair project you will make a model of a cell membrane using very simple material.

This science fair project idea investigates if fats add to the flavor of food.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

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

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

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

This science project teaches students to classify different shapes of leaves.

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

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

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

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

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

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

This project investigates the affect of storage temperature on microwave popcorn.