In this learning module from The Concord Consortium, students will explore how the shape of the antibody is complementary to the shape of the antigen.

Chronic myeloid leukemia is a disease caused by a genetic mutation that gives rise to this abnormal protein molecule. The abnormal protein triggers the bone marrow to release dangerous numbers" of white blood cells. Gleevec, the thin...

When is a molecule polar? Change the electronegativity of atoms in a molecule to see how it affects polarity. See how the molecule behaves in an electric field. Change the bond angle to see how shape affects polarity. See how it works...

This resource allows users to test their geometry knowledge.

Excellent interactive challenge working with cube nets to stack them in a specific order. Manipulate the cubes online to solve the problem.

Given an unlimited number of a specific type of equilateral, isosceles, and right triangles create as many tetrahedra as are possible. Includes printout.

For this task, learners investigate the volume of tennis balls and their cylindrical container, the empty space around the balls, different ways of slicing them, and what their visualizations will look like. Aligns with G-GMD.B.4 and...

In this enrichment game, the nets for nine solids are displayed. The twist is that each net has been cut into two pieces. The challenge is find the pieces that go together.

This site provides an in-depth definition of a two-dimensional figure and a three-dimensional figure. Related terms include arcs, vertices, polygon, and many more.

These tutorials will help you produce great looking graphics using Adobe Photoshop. Whether you're an absolute beginner or Photoshop expert, you'll find loads of useful Photoshop tips here.

Cross-sections are one way that two-dimensional objects are connected to three-dimensional objects.