2nd - 7th Grade Science Activities : Page 11

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

This science fair project idea examines which type of insulation holds in the most heat.

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

This science fair project idea investigates the hardness property of minerals.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

Discover whether cold or hot water from the faucet will boil faster on the stove.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

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

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

This science fair project idea investigates whether plants can survive being frozen.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

This activity will introduce your child to the four different components of blood and give him a fun way to visualize its properties.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

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.