Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

Using a toy race car kids create a visual model of the Doppler Effect.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

Study science with your first grader in this arts and crafts activity that models the reason why fall leaves change color with some paint and crayons.

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

This science fair project teaches students about wilting and browning of salad greens.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.