4th - 8th Grade Science Activities : Page 18

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.

Create a bee garden to help shelter bees in your area.

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.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

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.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

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

Boys might wrinkle their noses at the thought of gardening, but we guarantee they'll like this activity! Make a recycled terrarium full of bug-eating plants.

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.

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.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

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

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

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

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?