Search Results
Showing results 201 to 220 of 705
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-393.jpg?itok=h4vOpcYG)
Recipe for a Moon
Source Institutions
In this activity, learners discover that the Moon, like Earth, is made up of layers of different materials. Learners work in teams to make models of the interiors of the Moon and Earth.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-149.jpg?itok=f3yhl-p-)
Let's Make a Supernova!
Source Institutions
This fun and simple hands-on astronomy activity lets learners explore what happens when a star explodes.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-500.png?itok=5c2VCr80)
Exploring the Ocean with Robots
Source Institutions
In this activity, learners are introduced to robotic submarines called gliders. Learners make “gliders” from plastic syringes and compare these to Cartesian bottles and plastic bubbles.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-075.gif?itok=n_wqUUmY)
Gravestone Weathering
Source Institutions
In this activity (located on pages 9-14 of PDF), learners visit a cemetery to examine the distinguishing characteristics of rock weathering.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-514.jpg?itok=JemEOLIX)
Exploring Materials: Ferrofluid
Source Institutions
In this activity, learners discover that a material can act differently when it's nanometer-sized.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-049.jpg?itok=OjoHQu5M)
Achieving Orbit
Source Institutions
In this Engineering Design Challenge activity, learners will use balloons to investigate how a multi-stage rocket, like that used in the Interstellar Boundary Explorer (IBEX) mission, can propel a sat
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-868.jpg?itok=Bo32IZsd)
Density Rainbow and the Great Viscosity Race
Learners conduct two activities to investigate two properties of liquids: density and viscosity. In a clear container, learners stack 7 different liquids which will layer according to their density.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-347.png?itok=ilKCYXxT)
Corals and Chemistry
Source Institutions
In this activity, learners investigate how increased carbon dioxide (CO2) emissions from the burning of fossil fuels is changing the acidity (pH) of the ocean and affecting coral reefs and other marin
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-421.png?itok=KTOI1mEr)
Weather Stations: Phase Change
Source Institutions
In this activity, learners observe the water cycle in action! Water vapor in a tumbler condenses on chilled aluminum foil — producing the liquid form of water familiar to us as rain and dew.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-353.png?itok=ZRRw6na5)
Trash Traits
Source Institutions
In this activity on page 24, learners perform experiments to examine whether or not trash can float, blow around, or wash away.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-128.jpg?itok=qJ7-7_k7)
Toasty Wind
Source Institutions
In this quick activity, learners use a toaster to investigate the source for the Earth's wind. Learners hold a pinwheel above a toaster to discover that rising heat causes wind.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-896.jpg?itok=Esep6R0o)
Construction Technologies: Construct the Strongest Bridge
Source Institutions
Learners work in pairs to create three simple types of bridges, a beam bridge, an arch bridge, and a suspension bridge.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-882.jpg?itok=Ohy4xi2r)
Air, It's Really There
Source Institutions
This lesson focuses on molecular motion in gases. Learners compare the mass of a basketball when it is deflated and after it has been inflated.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-461.jpg?itok=eONBaDnz)
Transit Tracks
Source Institutions
In this space science activity, learners explore transits and the conditions when a transit may be seen.
Effects of Solar Radiation on Land and Sea
Source Institutions
In this activity, learners explore the different heating properties of soil and water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-699.jpg?itok=uxJY8ipd)
Bobbing Eyeballs
Source Institutions
In this activity, learners use simple materials and basic tools to construct a special toy to explore pendulums. As the head of the toy bobs one way, the eyeballs bob the other way.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-460.jpg?itok=TIUyWvZh)
LEGO Orrery
Source Institutions
Use this model to demonstrate the goal of NASA's Kepler Mission: to find extrasolar planets through the transit method.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-798.gif?itok=v5WNB9cU)
Shake Table
Source Institutions
This activity guide includes instructions on how to build a "Shake Table" by mounting an eccentric mass (off center) on the shaft of a small dc motor.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-129.jpg?itok=BRLST-7p)
The Shadow Knows II
Source Institutions
In this activity, learners will measure the length of a shadow and use the distance from the equator to calculate the circumference of the earth.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-352.png?itok=1hMMvVTT)
A Degrading Experience
Source Institutions
In this activity on page 27, learners perform an experiment to learn about how different types of marine debris degrade and how weather and sunlight affect the rate of degradation.