Electricity

Electricity is energy. It flows along wires just as water flows through pipes. The power behind electricity is from tiny particles called electrons. Electrons are negatively charged particles that orbit around the positively charged nucleus in an atom ...

This craft explores the properties of a colloid as you make your own paint. You will learn how paint is made, and then you will be making your own paint and using this paint to create a picture. You are also encouraged to experiment with mixing the different pigments to explore primary and secondary colors.

It's time for fun -- exploring soap bubbles and making bubble prints. A soap bubble is a thin film of soap and water stretch by the air inside. The soap film is stretchable. Remember what happens when you blow into a bubble wand?

Chemicals are everywhere. A chemical is a substance that has mass and takes up space. The simplest substance is an element. You may have seen a periodic table before ...

For hundreds of years, people have been obsessed with taking the shortcut over valleys and rivers instead of going around them. To do that, we use bridges. In this module, you will have the chance to become a bridge engineer and design and build your own. You will also learn about some of the different types of bridges and how to decide which one to use in different situations.

This lab has 2 sections. Read the book at the beginning so that everyone has the necessary background to complete all of the activities.

Activity 2 is a self-paced exploration for 4th - 6th graders. For grades K-2, the first two activities in the Exploring Magnets Lab Book will fill a 45-minute time slot. For grades 2nd and 3rd you can proceed farther into Exploring Magnets Lab Book. The material given here is best presented in a two-week series.

Gravity is the attraction between physical objects. You see gravity at work anytime you see an object fall to the ground. All objects exert gravity, the Sun the Earth, you and a single strand of your hair all draw other objects to them to some degree. However, gravity is only noticeable when it is very strong.

In this lesson, we will examine the properties of force and gravity and their effect on our everyday life through a series of hands on activities.

This lab is designed for young girls, grades K-2 or 3. Through play with colorful gear sets, the girls should discover some of the basic properties of gears.

Simple machines are used everyday. They are found in the kitchen, on the playground, and in the classroom. They can be of assistance to us such as opening a can or lifting a heavy object or they can be used for amusement like a seesaw. The goal of this lab is to expose the girls to some common simple machines, learn how they work, and then let them build and design.

How much harmful UV radiation reaches yoiur skin? How much protection is provided by sunblock, sunglasses and clothing?