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This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

This science fair project idea determines the most effective method of preserving food.

This science fair project idea produces varying pitches of sound.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

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

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

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

In this science fair project, students make their own rain gauge to measure rainfall.

Challenge your learner to design and build a city of their own in this creative engineering activity.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

This science fair project will help students learn about non-vascular plants, such as mosses.

In this activity your child will create their very own marble maze!

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.