All Science Scope resources

Journal Article

Inquiry, Argumentation, and the Phases of the Moon: Helping Students Learn Important Concepts and Practices

An important goal of the current reform movement in science education is to promote scientific literacy in the United States, and scientific inquiry is at its heart. However, the National Science Education Standards clearly indicate that to promote i...

Journal Article

Scope on Safety: Yes, you need a Chemical Hygiene Officer

The Chemical Hygiene Officer's (CHO) role is absolutely critical in fostering and ensuring both chemical hygiene practices and the chemical hygiene plan. OSHA defines the Chemical Hygiene Officer as an “employee who is designated by the employer, a...

Journal Article

Everyday Engineering: What Makes a Bic Click?

The ballpoint pen is an ideal example of simple engineering that we use everyday. But is it really so simple? The ballpoint pen is a remarkable combination of technology and science. Its operation uses several scientific principles related to chemist...

Journal Article

Science Sampler: Eratosthenes visits middle school—Assessing the ability of students to work with models of the Earth

In the exciting, “out of this world” activity described here, students measure the Earth using meter sticks while measuring their shadows in two distant locations. To obtain the size of the Earth, students discover the connection between the meas...

Journal Article

Tried and True: Solar System in the Hallway

After studying phenomena related to the positions and motions of the Earth, Sun, and Moon, many students are familiar with the positional ordering of the planets, but their knowledge of the distances involved is vague. Scale models are one means of b...

Journal Article

Editor’s Roundtable: International Year of Astronomy

2009 has been designated the International Year of Astronomy (IYA) because it marks the 400th anniversary of Galileo’s telescopic observations of the Moon and other bodies in the solar system, which challenged, and subsequently changed, the prevail...

Journal Article

Scope on the Skies: Tracking the messenger

During April and May, the innermost planet, Mercury, will have its greatest apparition (morning or evening viewing opportunity) for the year as it graces the evening skies over the western horizon after sunset. Considering that Mercury, the fastest-o...