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Interactive animations used in lesson plans to help students understand scientific concepts on the molecular level. Explore More Simulations & Videos. Designed to guide students to record their observations, draw pictures, answer questions, and form conclusions. I now have engaging activities that do not require a full lab, which I do not have.
18 Ιουλ 2024 · Matter is made up of extremely tiny particles called atoms and molecules. Atoms and molecules make up the three common states of matter on Earth—solids, liquids, and gases. The particles of a liquid are attracted to one another, are in motion, and can move past one another.
Seventh grade chemistry students' conceptual understanding of chemical reactions for middle school science is foundational to much science learning. Understanding atomic level reactions is crucial for learning physical, life, earth, and space science.
Identify each substance as a compound, an element, a heterogeneous mixture, or a homogeneous mixture (solution).
25 Ιουλ 2024 · Molecular compounds are substances formed when two or more atoms join together through chemical bonds. These atoms can be from the same element, like oxygen gas (O2), or different elements, such as water (H2O), where hydrogen and oxygen atoms bond together.
31 Μαρ 2023 · All matter is made of atoms, which are made of protons, neutrons and electrons. Atoms combine to form molecules. Watch the many examples in this video.
12 Σεπ 2020 · A molecule is defined as an electrically neutral group of two or more atoms connected by chemical bonds. Here are examples of molecules and a look at the difference between a molecules, compounds, and ions.