Applying Newton's first law of motion
Applying Newton's first law to answer some true/false statements about why objects move (or not).
Applying Newton's first law to answer some true/false statements about why objects move (or not).
These two short online tutorials discuss how the earth rotates and then the earth's revolutions.
In the first URL, the YouTube video explains why earth has spring, summer, autumn and winter seasons. The second URL summarizes the key takeaway points.
Figuring out the acceleration of ice down a plane made of ice.
Basic primer on Newton's First Law of motion.
This 32 minute long YouTube video investigates the water contamination problems in Tanzania, with specific focus on Dar Es Salaam.
This 11 minute long YouTube video describes the various causes and types of water pollutants.
This YouTube video investigates what water pollution is and some examples and effects of water pollution.