Students investigate how to see, describe and draw faint or subtle features on an object which is thought of by most people as having a smooth, featureless surface. The exercise is important to reinforce skills in making observations...

Sixth graders are introduced to the moon and its phases. Individually, they draw a sketch of each phase of the moon and read a short article about Galileo. To end the lesson, they examine the difference between refracting and...

Students explore how infrared images give biologists or zoologists detailed information on how warm-blooded and cold-blooded animals thermoregulate. They are introduced to infrared imaging technology and the information that such images...

In this place value worksheet, students solve 10 problems in which the value of an underlined digit in a number (up to the millions place) is written. Note: This worksheet is from the UK; no commas are used, but spaces instead.

This online exploration provides an opportunity to identify the different properties of waves and the relationship that exists between energy, wavelength, and frequency. Correlate images from the Hubble Telescope to the wavelength,...

Author and astrophotographer, Jerry Lodriguss, offers up tips, techniques and various images that he's taken both with and without the use of digital enhancement. An amazing amount of detail is provided to explain his approach towards...

This activity is designed to assess the comprehension of concepts related to the planets and other astronomical bodies in the Solar System.

A brief biography and discussion of Aristarchus' theories provided here.

An image of "Astronomy", created by Laurent De La Hire in 1649 (Oil on canvas).