+
Lesson Plan
Curated OER

The Buoyancy Factor

For Teachers 7th - 8th
Pupils examine why some objects float in water while others sink and the ability of something to float does not depend entirely on its weight. Archimedes' principle is introduced and buoyant force is discussed. Practice calculations and...
+
Lesson Plan
Curated OER

Animal Life Histories Derived From Morphology

For Teachers 3rd - 5th
Students learn the mechanisms of natural selection by deducing information from the physical appearance of the animal.
+
Lesson Plan
Curated OER

I Have the Solution!

For Teachers 10th - 12th
Young scholars explain how to make solutions with specific concentration. In this chemistry lesson, students differentiate acids and bases. They calculate molarity of solutions.
+
Activity
PBS

Pbs Teachers: Saltwater Tester

For Students Pre-K - 1st
Explore circuits and the flow of electricity. Create a saltwater tester using a battery and electrical buzzer.
+
Graphic
Hunkins Experiments

Hunkin's Experiments: How to Make Oxygen From a Battery

For Students 5th - 9th
Hunkin's Experiments is a group of simple cartoon illustrations of scientific principles. Some would work well in the classroom, but others have little value beyond entertaining students. All of the projects are easy to do. This one...
+
Activity
US Navy

Onr: Saltwater vs. Freshwater, Which Is Denser?

For Students 9th - 10th
This site contains an experiment on how to find out which has more density -- freshwater or saltwater.
+
Activity
Science Buddies

Science Buddies: How Salty Is the Sea?

For Students 3rd - 5th
Have you ever been swimming at the beach and gotten some water in your mouth by mistake? Then you know that the ocean is very salty. Bodies of freshwater also contain some salt, but much less compared to oceans. In this experiment you...
+
Activity
SEDL

Oceans [Pdf]

For Teachers 3rd - 8th
This large PDF file integrates math, science, and language into several lessons about characteristics of the oceans. Topics include ocean currents, tides, density, marine life, and pollution.
+
Activity
Exploratorium

Exploratorium: Science Snacks: Aluminum Air Battery

For Students 9th - 10th
Create a battery that is strong enough to power a light or a small motor in this activity. Activity uses simple materials such as: aluminum foil, salt water, and charcoal to make this battery.
+
Activity
Texas Instruments

Texas Instruments: Finding the % Salt in Seawater

For Teachers 9th - 10th
In this experiment, students are asked to collect data in order to prepare a calibration curve showing the relationship between the percentage of salt and the mass of salt water. Using this graph, students will be able to determine the...
+
Lesson Plan
Scholastic

Scholastic Instructor: Seashore Science

For Teachers Pre-K - 1st
Come and learn with this incredible seashore science resource. The content includes fun facts, experiments, reproducible activities, resources and more.
+
Interactive
American Museum of Natural History

American Museum of Natural History: O Logy: Stuff to Do: Density of Salty Water

For Students 3rd - 5th
An experiment to test what happens when ocean water hits a freshwater estuary. Each step is demonstrated with photographs and the difference between salinity and density is explained.
+
Lesson Plan
PBS

Pbs Teachers: Ocean Activity Ideas

For Teachers Pre-K - 1st
Explore ocean habitats, learn about the extreme weather of the ocean and examine environmental threats to the ocean. Conduct experiments on buoyancy and osmosis, and research sailing and ocean-based industry.
+
Activity
Bill Nye

Bill Nye: Eggs Speriment

For Students 1st - 5th
Try this at-home science experiment to learn if salt affects the way things float.
+
Activity
Climate Literacy

Clean: Effects of Increased Co2 in the Air on Seawater and Distilled Water

For Students 5th - 8th
Students perform an experiment comparing the impacts of CO2 on salt water and on fresh water. In a short demonstration, students examine how distilled water and seawater are affected differently by increasing carbon dioxide in the air.