How do the computers keep it straight? Using the provided algorithms, class members draw a line and a circle using pixels. They then check the drawings using a straight edge and compass to determine the accuracy of their...

You can't play Tic Tac Toe without grids. In the fourth lab of a five-part unit, scholars learn how to build grids for games such as Tic Tac Toe. Along the way, they also learn about reporter blocks that perform calculations.

How different can 3-D and 2-D really be? An engineering resource provides an explanation about the importance of two-dimensional technical drawings. Several samples show how to create multi-view drawings from pictorials and...

"Fore!" All right, no one really yells this out in miniature golf, but this well-defined activity will have your charges using lots of numbers in their unique design of a miniature golf hole. Included in the activity criteria is the...

Turtles might be slow, but class will zoom by when your pupils build a program in which reptiles draw a grid. Using App Lab and JavaScript, class members build a program to find the most efficient way to draw an image of a...

Picture this: a fun activity for pupils to discover pixels. After learning about digital signals and pixels, scholars act as senders and receivers of an image. The sender indicates zero or one to tell whether each square in a grid is...

Eighth graders are introduced to the CAD/CAM project for their grade level. Using software, they practice using grids and drawing their designs. They discover the need to plan their designs carefully and the importance of accuracy when...

Fifth graders investigate coral reefs and the dangers they face by labeling and drawing.  In this oceanography instructional activity, 5th graders view a PowerPoint presentation of photographs of coral reefs in Belize....

Just about every public building that your high schoolers are familiar with has an access ramp which complies with ADA requirements. As it turns out, designing such a ramp is an excellent activity to incorporate slope, the Pythagorean...

How do spacecraft detect magnetic fields? The fourth installment of a five-part unit has learners develop a device with magnets that allows for the detection of magnetic fields. They use a map of an imaginary planet to try out their...

Binary graphing ... bit by bit. Pairs work together to develop a protocol in order to send the points of a graph. One partner sends the points and the other receives them and tries to recreate the graph. The pupils use the rubric to...

How do computers store and send images? Here's an activity that explains one way a computer can compress image information. Pupils decode run-length coding to produce a black and white image. Pairs then work together to code and...

Eighth graders investigate art appreciation and Renaissance portraits through time. They create a portrait.

Sixth graders calculate perimeter of rectangles with different dimensions.  In this perimeter lesson, 6th graders define length, width and perimeter.  Students complete a perimeter activity using a web tool to change the...

Students study the uses of topographical maps including the many forms that they take. They discover that the map features show its intended use such as city maps, wilderness maps, and state maps. They complete a worksheet in which they...

Students develop an appreciation for complex structures in nature. They observe patterns in nature in relationship to the Real World. Students use observation skills to assist in problem solving. They show comprehension of the concepts...