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In this two part activity, learners become draft detectives by constructing their own draft catchers to detect drafts around windows or doors.

In this design challenge, learners will engineer a structure and see if it can survive an earthquake they create.

In this activity, learners explore how the power of the sun can be harnessed to heat and cool a building.

This simple construction activity teaches the importance of architectural structure. Learners build and test designs for a paper "doghouse" strong enough to hold the weight of a jumbo dog biscuit.

In this engineering activity, learners investigate the differences between the strength of bridges made from flat and round building materials.

In this physical sciences activity, learners explore insulation. Leaners investigate how insulation can be used to slow down the conduction of heat from one side of a wall to the other.

In this activity, learners design, build and test a model suspension bridge for sturdiness and strength.

Play with your food while learning about engineering! Build a spaghetti bridge, then test its strength by piling on the marshmallows, raw spaghetti, raw linguine and coins.

In this activity, learners explore how engineers have developed big wheels or Ferris wheels.

This activity was designed for blind learners, but all types of learners can explore the process of extrusion used to produce pipes and wires in industry.

In this on site "field trip" activity (located on pages 6-9 of PDF), learners get hands-on experience identifying building materials by playing "Building Bingo".

In this activity about problem-solving, learners build a house for the Three Little Pigs using twenty straws and two index cards.

Build and test a scale model of a rainforest canopy walkway.

With two stacks of books and a few rolls of pennies, build two kinds of bridges--a beam span and an arch span--and see how much weight each of them can hold.

In this activity, learners build bridges using paper and explore how much weight each bridge design can support.

In this activity, learners build bridges and cantilevers in a series of "building out" challenges with straws and pins.

In this engineering activity, challenge learners to construct a paper bridge that can support 100 pennies.

This activity (on page 2 of the PDF under SciGirls Activity: Doghouse Design) is a full inquiry investigation into absorption and reflection of radiant energy.

Based of the The Tech Challenge 2015, learners will engage in two mini-design challenges related to seismic engineering.

In this simple activity, learners discover how a mere piece of paper can be used to hold up the weight of a heavy book.