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In this activity, learners discover how NASA engineers develop experimental aircraft.

As a group, learners investigate three packages which are all the same size and shape, but have different contents. One is filled with foam, one is filled with wood, and one is filled with metal.

In this math lesson, learners participate in several activities where they apply measurement skills.

In this activity, learners conduct a waste audit and use their findings to implement a plan for reducing trash.

In this math lesson, learners explore and investigate measurement using standard and non-standard units.

In this math lesson, learners practice estimation and measurement skills as they move from station to station calculating length, volume, weight, and area.

In this math lesson, learners use fruit to learn about proportions and percentages. Learners compare the weights of the edible and non-edible portions of fruit.

In this activity, learners explore a scale by comparing objects, which look similar but have different weights. Learners predict and then measure the weights of various objects using a scale.

This activity (on page 2 of the PDF under SciGirls Activity: Tug O' War) is a full inquiry investigation into tug-of-war physics. Groups of learners will test two tug-of-war strategies.

In this activity, learners use two different techniques to estimate how many little things fit into one bigger thing.