Search Results
Showing results 121 to 140 of 191
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-973.jpg?itok=V2wRiuFc)
Filtration Investigation
Source Institutions
In this activity, learners explore how engineering has developed various means to remove impurities from water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-490.jpg?itok=pFJ-1mW6)
Volcanic Material Catapult Investigation
Source Institutions
This activity (located on page 3 of the PDF under GPS: Lava Flow Activity) is a full inquiry investigation into the relationship between an object’s mass and the distance it is thrown by a catapult.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-754.jpg?itok=5jv8j-Hr)
What is in the Water?
Source Institutions
In this activity, learners use open inquiry to learn about the process of science as well as gain experience regarding the Law of Conservation of Mass, dissolution, and density.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-888.jpg?itok=ebQmLGE7)
The Squeeze is On
Source Institutions
Each group of learners uses everyday materials, such as paper, toothpicks, and tape to design and construct a structure intended to support the weight of a cinder block for 30 seconds.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-356.gif?itok=o1d10lQO)
Our Sense of Sight: How We Perceive Movement, Depth and Illusions
Source Institutions
In this activity, learners investigate visual perception as well as plan and conduct their own experiments.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-863.jpg?itok=1joERWLN)
On the Microbe Trail: An Introduction to Bacteria and Aseptic Technique
Source Institutions
In this series of exercises, learners predict the conditions necessary for bacterial growth, test their predictions and at the same time practice the aseptic techniques and safety procedures needed wh
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-693.jpg?itok=bg_DzERZ)
Gymnast
Source Institutions
In this physics activity, learners build a toy with a figure that spins around like a gymnast on the high bar.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-388.jpg?itok=unfoQNRe)
Trash Talkin'
In this activity, learners collect, categorize, weigh and analyze classroom trash and discuss ways that engineers have helped to reduce solid waste.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-970.jpg?itok=xobIybKX)
Insulators and Conductors
Source Institutions
In this activity, learners explore the concept of conducting or insulating electricity.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-110.png?itok=JIU6fpbG)
House Warming
Source Institutions
In this physical sciences activity, learners explore how passive solar design increases energy efficiency.
Haunted by Hurricanes: Use Data to Learn About Hurricanes
Source Institutions
In this activity, learners will determine if the frequency and intensity of hurricanes are changing using real data from the National Hurricane Center.
The Return of El Nino
Source Institutions
In this activity related to climate change and data analysis, learners examine temperature and precipitation data to determine if climate variations are due to El Niño.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-643.jpg?itok=sKLTLgt6)
Luminescence
Source Institutions
In this two-part activity about luminescence, learners explore the chemistry that happens inside glow sticks and other light producing reactions.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-939.jpg?itok=fLm0ph07)
Working with Watermills
Source Institutions
In this activity, learners explore how watermills have helped harness energy from water through the ages.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-915.jpg?itok=HvBB6tTl)
Nano Waterproofing
Source Institutions
This lesson focuses on how nanotechnology has impacted the design and engineering of many everyday items from paint to fabrics.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-145.jpg?itok=Km_djME2)
Conductivity: Salty Water
Source Institutions
Water, whether fresh or salty, serves as one of the best electrical conductors on the planet. Does salt effect its conductivity?
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-964.jpg?itok=aCn8zTfF)
Rotational Equilibrium
Source Institutions
In this activity, learners explore the concept of rotational equilibrium. Learners work in teams to estimate and determine the force within a mobile design.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-038.jpg?itok=elSaY9M5)
How the Rubber Meets the Road
Source Institutions
In this activity, learners explore how engineers design tire treads to increase safety and reliability.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-548.png?itok=VwIlWmuc)
Gravity and Muscles
Source Institutions
In this activity about center of gravity (page 23 of PDF), learners investigate how the body adjusts to the force of gravity to remain balanced.
Tsunami: Waves of Destruction
Source Institutions
In this activity, learners use tsunami time travel maps to predict how long it will take a tsunami to reach the shore.