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Composition of Matter
Learners distinguish between substances and mixtures by creating concept map, differentiate between solutions, colloids and suspensions, classify objects as elements, compounds, and heterogeneous or homogeneous mixtures.
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New Review The Gaseous State
Sixth in a series of 36, this lesson focuses on gases and their behavior in given situations. Learners review the states of matter and then focus on gases, specifically learning Boyle's, Charles's, Avogadro's Laws, Dalton's, and Graham's...
7th - 12th Science CCSS: Adaptable
New Review Classification of Matter
Steel is an example of homogeneous mixture, also called an alloy, which is made of iron and carbon. The presentation introduces learners to elements, compounds, and mixtures. They explore their similarities and differences, and then take...
9th - 12th Science CCSS: Adaptable
How Cosmic Rays Help Us Understand the Universe
You may not realize it, but the earth is constantly receiving messages from all over outer space. Follow along as this video investigates how these cosmic rays carry information that can help humans better understand the composition of...
5 mins 7th - 12th Science CCSS: Adaptable
The 2,400-Year Search for the Atom
From ancient Greek philosophers to early American Quakers, people have sought to understand the composition of matter for millennia. Follow along with this video as it explores the long scientific journey that eventually led to the...
5 mins 5th - 12th Science CCSS: Adaptable