PBS
Pbs Learning Media: Observations of Climate Change
This interactive lesson introduces students to the various ways that people work to understand climate change, particularly in the Arctic.
Science Fun for Everyone
Science Fun: Changing of the Leaves
Learn why leaves change colors in the fall with this science experiment.
Environmental Education for Kids
Eek!: Seasonal Observations
Have you ever wondered what is going on under the snow? Why leaves change colors? How migratory birds find their way? Find the answers and check out these ideas on how to explore, discuss, or celebrate based on our four seasons!
Other
Changing Minds: Actor: Observer Difference
This site provides an explanation of the actor/observer bias as a theory. Also provided is a small piece of information about research done to support the theory and also links to related information.
Other
The Science House: Ziptop Bag Chemistry
In this experiment, three reactions are performed in a sealed Ziploc bag so that they can be observed. Students identify whether physical or chemical change has taken place.
CK-12 Foundation
Ck 12: Life Science: 4.1 Theory of Evolution
Discover how Charles Darwin developed the theory of evolution through his observations in the Galapagos Islands.
Utah Education Network
Uen: Recognizing Chemical Reactions
Learners will add 4 chemicals to a beaker and observe the changes that take place. They will classify them as physical or chemical changes.
Utah Education Network
Uen: Seasons
Young young scholars investigate seasonal changes by looking at what they wear and recording their observations.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Ohm's Law
An interactive simulation that teaches about Ohm's Law, circuits, and current by observing how adjusting the voltage and resistance changes current according to Ohm's Law. This simulation can either be downloaded or played online and...
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Projectile Motion
An interactive simulation that teaches about kinematics, air resistance, and parabolic curve by shooting a car out of a cannon while trying to hit a target. Observe how changes in angle, initial speed, mass, air resistance, and drag...
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Radiating Charge
An interactive simulation that teaches about electromagnetic radiation, dipole radiation, and electric fields by observing the effects of changes in sinusoidal, circular, and linear motion on the outward propagation of radiation. This...
University of Wisconsin
The Why Files: Make a Rainbow
Make a rainbow by changing angles and placement of the observer, the sun, and the rain.
Libre Text
Libre Texts: Chemistry: Ideal Gas Law
Learn here about Ideal Gas Law by changing the variables and observe the way that they affect gas behavior, especially pressure.
PBS
Pbs Teachers: Make a Thermometer
Observe how a change in temperature affects the volume of water in a bottle.
Other
Catch the Science Bug: Colors in a Leaf [Pdf]
Activity involves collecting leaves to compare green leaves with fall leaves that have changed color. Students will record data on an observation sheet.