5th Grade Engineering and Science Inquiry Activities : Page 2

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

This project examines whether people's taste perception is influenced by what they see.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Check out this cool science fair project on identifying rocks and minerals for kids.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

In this design challenge, your child will create a parachute for a small toy using typical household items.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

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

Find out whether packaged seeds actually do expire in this new science fair project idea.

Find out which type of sponge holds the most water.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

This science fair project idea identifies trees using a dichotomous key.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

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

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

This science fair project idea explores the different properties of matter.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

Find out whether a longer airplane will fly farther or a wider paper airplane.