What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.

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.

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

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.

This hands-on activity gets first grade kids brainstorming about what needs change in the world, and how they can help.

This science fair project idea tests the effect of heat- at varying temperatures- on the viability of biological enzymes.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Show your teens the connection between making history and writing it by having them write, illustrate, and edit a newspaper from the past.

Science fair project idea that measures fuel efficiency in cars. Calculate cost per mile by comparing fuel cost and consumption data.

Engage your children with this fun fall activity that integrates math and science. First, your child will excavate to find leaves. Next, they'll examine them to determine the colors. Then, your child will graph their findings.

This science fair project idea determines the operating differences of AAA, AA, C, D batteries all with a 1.5 volt rating.

Paper Christmas ornaments are a great DIY holiday craft that can be made from items from around the house. Make paper Christmas ornaments this holiday season.

Check out this fun science fair project idea for middle school students to learn about the effects of temperature on the density of a gas such as air.

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

Before your next family getaway, make a set of picture/word vocabulary cards together. These cards will build your child's language and comprehension skills.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

Who says you have to buy your toys at the toy store? In this activity, you can plan and build a pretend play city entirely out of recycled materials.