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Coral and Chemistry
Source Institutions
In this experiment, learners will explore whether increased carbon dioxide makes our oceans more basic or more acidic.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-090.png?itok=SchC3QhM)
Sea Level: On The Rise
Source Institutions
Learners will understand the relationship between climate change and sea-level rise.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-265.jpg?itok=VcJf9jmE)
A Slime By Any Other Name
Source Institutions
This fun video explains how to make a batch of oobleck (or slime) and why this special substance is known as a "non-Newtonian" fluid. Watch as Mr.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-308.jpg?itok=zT9IJeOj)
Which Parachute
Source Institutions
In this activity, learners will engineer three different parachutes to test how well each one works.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-923.jpg?itok=_-xqjUQh)
Sky Glider Challenge
Source Institutions
In this design challenge activity, learners use two helium-filled balloons to build a blimp that can travel in a straight path across the room.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-198.jpg?itok=TX3E66U-)
Dancing Compasses
Source Institutions
Learners use compasses to detect the magnetic field created by current moving through a wire. This is one of four activities learners can complete related to PhysicsQuest 2008.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-374.jpg?itok=oXb50E3o)
No Saliva, No Taste?
Source Institutions
In this activity (4th activity on the page), learners test to see if saliva is necessary for food to have taste.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-210.png?itok=hbq5PeIA)
Is It Alive?
Source Institutions
What does it mean to be alive? Is a cactus alive? Is a seed alive? Is the air we breathe alive? What are the necessary characteristics?
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-527.jpg?itok=MkWcQswp)
Tie Dye Secret Messages
Source Institutions
In this activity, learners will write a secret message that only their friends will be able to read.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-847.png?itok=Rfr720WB)
Circuit Bending with Play-Doh
Source Institutions
Break open that used musical toy and squish some Play-Doh over the circuit boards, and you will hear some weird and distorted sounds the manufacturer never intended!
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-598.png?itok=aR8_tWIH)
If Hot Air Rises, Why is it Cold in the Mountains?
Source Institutions
This demonstration/activity helps learners understand why higher elevations are not always warm simply because "hot air rises." Learners use a tire pump to increase the pressure and temperature inside
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-953.png?itok=9CzBtMB9)
Tall Tower Challenge
Source Institutions
In this activity, learners explore the design of tall structures such as skyscrapers and telecommunication towers.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-605.png?itok=gj9BtjrU)
Below the Surface: Surface Tension II
Source Institutions
In this activity learners explore surface tension. Why are certain objects able to float on the surface of water and how do detergents break the surface tension of water?
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-416.gif?itok=uNvIrPFs)
Build a Band
Source Institutions
In this design challenge activity, learners build a four-stringed instrument that can play a tune.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-303.gif?itok=3-X_7Obk)
Layers of Liquids
Source Institutions
Learners pour equal amounts of coffee, mineral oil, corn syrup, and alcohol into a beaker. The liquids resolve into stacked layers, and learners can infer which liquids are the most and least dense.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-951.jpg?itok=O-70ndWR)
Temperature Tactics
Source Institutions
In this activity, learners explore the devices used over time to measure changes in temperature.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-992.png?itok=2vfN8NDB)
A Question of Balance
Source Institutions
In this activity, learners explore how engineers use scales and measures when designing a manufacturing process to ensure that final products are uniform in weight or count.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-921.gif?itok=4MAqC_S6)
Watercraft
Source Institutions
In this design challenge activity, learners build a boat that can hold 25 pennies (or 15 one inch metal washers) for at least ten seconds before sinking.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-160.jpg?itok=8ZSpyCs5)
Modeling Tidal Action
Source Institutions
In this activity (Lesson 1), learners work in groups to create tide simulations.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-373.jpg?itok=SzeOGboP)
Three Colors of Light
Source Institutions
Have fun with additive mixing! Observe what happens when the three primary colors of light--red, green and blue--are mixed together, resulting in white light.