Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

This science project challenges students to take learned information about weather and climate control and apply it to come up with creative ideas of their own.

The project researches how lubricants affect the mechanical advantage of a pulley.

Learn how to convert gravitational potential energy into mechanical energy in this fun science fair project idea.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

Science fair project that determines the correlation between wind direction and subsequent weather patterns.

It has long been believed that weather influences mood and behavior. This experiment will evaluate if weather can really impact the way people feel.

This science fair project idea identifies clouds as a means of predicting the weather.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Consult mechanics, automotive specialists for advice. Build a real engine or a scale model. Test and demonstrate its mechanical properties.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

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

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

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

This fun science project explores the climate change over the course of the history of Earth and helps construct a diorama representing a geologic time period.

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

What if the shape of the Earth weren't spherical? How does its shape affect our gravity, climate, and tides? Model these questions in this cool project!

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

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

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Kids learn how to make a simple electric motor in this great engineering science fair project that teaches them how current generates its own magnetic field.

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.

Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.

Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

This science fair project idea uses the process of chemical weathering to change a mineral.

This science project researches the correlation between barometric pressure and wind velocity.

This science fair project idea measures and compares effects of chemical weathering, specifically carbonation, on different kinds of rocks.