2nd - 5th Grade Engineering and Science Inquiry Activities : Page 17

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Construct and experiment with a periscope using reflected light rays to gather an image.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

This science fair project idea examines whether boys and girls differ in reflexes.

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?

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

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

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

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

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

Find out which kind of bubble wrap fares best when put in impact.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

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.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?