3rd Grade Engineering and Science Inquiry Activities : Page 3

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

In this experiment you will replicate the mummification process by making a hot dog mummy.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

This science fair project idea determines what household items are good conductors of electricity.

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

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

This science fair project teaches students the differences between fruits and vegetables.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

Science fair project that examines condensation and the conditions needed in order for dew to form.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

This science fair project idea compares biodiversity between drops of water.

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

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

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

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.