Kindergarten - 7th Grade Engineering and Science Inquiry Activities : Page 11

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

This science fair project idea examines the reason boats are shaped and engineered.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

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

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

Examine the effect of pressure on carbonation in soda.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

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

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

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

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

This science fair project idea demonstrates that plants give off water.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.