Students examine how to conduct simple investigations and use simple equipment to gather data.  In this magnet lesson students decide what types of objects are attracted to magnets. 

First graders view congruent shapes on a white board and define what congruent means.  In this congruent shapes lesson, 1st graders recognize which shapes are congruent and which aren't  Students complete a giant worksheet in...

Learners work in groups that are engaged in different activities at different times. They watch the video "Madagascar" and collect data pertaining to the Fish Eagle's arm spam. They work together to perform mathematical computations...

Students examine a variety of fruit to discover that each has seeds. Through experimentation, they discover the role that fruit and seeds play in a plant's life cycle.

Sorting is an important foundational skills for kindergarten students to learn. Using attribute blocks to sort by size helps students practice comparing objects and prepares them to sort by other measurable attributes.

Counting bears that are the same size and shape help students focus on just one attribute.

This website gives students an opportunity to sort and classify attributes of a group. The applet responds to each selection made and guides student to the next step.

A key. The key was used in very early times, and was probably introduced into Greece from Egypt; although Eustathius states, that in early times all fastenings were made by chains, and that keys were comparatively of a much later...