251 – 275 of 664 Classroom Resources

• 

  Density, Mixtures, Solubility | Middle School

  Lab: Investigating Density within Lava Lamps Mark as Favorite (9 Favorites)

  In this lab students will make a simple yet spectacular lava lamp while focusing on the density of the components.

• 

  Matter, Elements, Mixtures | Middle School, High School

  Activity: Animation Activity: Classifying Matter Mark as Favorite (32 Favorites)

  In this activity, students will view an animation that explores definitions and examples of several broad classifications of matter, including pure substances (elements and compounds) and mixtures (homogeneous and heterogeneous). Students will see real-life examples as well as particle diagrams.

• 

  Electromagnetic Spectrum, Interdisciplinary | Elementary School, Middle School, High School

  Activity: Animation Activity: Electromagnetic Spectrum Mark as Favorite (39 Favorites)

  In this activity, students will view an animation that explores the electromagnetic spectrum, with a focus on the visible spectrum. The animation addresses the relationship between color, wavelength, frequency, and energy of light waves, as well as how an object absorbs and reflects certain wavelengths of light to contribute to the color we perceive.

• 

  Measurements, SI Units, Mole Concept, Physical Properties, Density | Middle School, High School

  Activity: Animation Activity: Units of Chemistry Mark as Favorite (17 Favorites)

  In this activity, students will view an animation that explores the importance of including units to communicate the value of measurements effectively. The animation presents definitions, units of measurement, and measuring tools for physical properties that are commonly measured or calculated in chemistry class: mass, length, temperature, volume, amount (moles), and density.

• 

  Density, Measurements | Elementary School, Middle School

  Lab: Weight Just a Minute! Mark as Favorite (2 Favorites)

  In this lab, students will learn how volume and mass affect density as they make comparisons and calculations.

• 

  Freezing Point, Phase Changes, Temperature, Physical Change | Middle School

  Lab: Lemon Ice Mark as Favorite (7 Favorites)

  This activity explores the interaction between salt and water (ice) as a way to further investigate their impact on the state of matter of a substance. Students will use salt and ice to create a slushy lemonade drink without the use of a freezer. They will learn through this hands-on experiment how salt and ice can rapidly cool a liquid.

• 

  Physical Properties, Physical Change, Observations, Identifying an Unknown, Lab Safety, Molecules & Bonding, Covalent Bonding, Ionic Bonding, Intermolecular Forces, Molecular Motion, Solutions, Conductivity, States of Matter, Melting Point, Intermolecular Forces, Molecular Motion | High School

  Activity: Animation Activity: Physical Properties and Particle Interaction Mark as Favorite (14 Favorites)

  In this activity, students will view an animation that explores the relationship between physical properties and particle-level interactions. Particle diagrams of common household substances are used to illustrate that forces of attraction influence melting points. Similarly, particle diagrams of the same substances dissolved in water are used to compare their conductivity in solution.

• 

  Matter, Elements, Mixtures | High School, Middle School

  Animation: Classifying Matter Animation Mark as Favorite (96 Favorites)

  This animation explores definitions and examples of several broad classifications of matter, including pure substances (elements and compounds) and mixtures (homogeneous and heterogeneous). Students will see real-life examples as well as particle diagrams. This animation was featured in the November 2019 issue of Chemistry Solutions. **This video has no audio**

• 

  SI Units, Mole Concept, Measurements, Physical Properties, Density | Middle School, High School

  Animation: Units of Chemistry Animation Mark as Favorite (13 Favorites)

  This animation explores the importance of including units to communicate the value of measurements effectively. It presents definitions, units of measurement, and measuring tools for physical properties that are commonly measured or calculated in chemistry class: mass, length, temperature, volume, amount (moles), and density. This animation was featured in the November 2022 issue of Chemistry Solutions. **This video has no audio**

• 

  Atoms, Model of the Atom, Atomic Theory, Matter, Elements, History, Introduction, Periodic Table | Middle School, High School

  Animation: Atoms: The Building Blocks of Matter Animation Mark as Favorite (29 Favorites)

  This animation explores the idea that everything is made of atoms, and that since atoms are so extremely small, even small objects contain vast numbers of atoms. Students will see several examples to illustrate this point. Then they will be given a brief overview of the evolution of how people thought about atoms from the ancient Greeks through Dalton. This animation was featured in the May 2022 issue of Chemistry Solutions. **This video has no audio**

• 

  Atomic Radius, Ionic Radius, Electrons, Model of the Atom, Subatomic Particles, Periodic Table | Elementary School, Middle School, High School

  Animation: Atomic & Ionic Radii Animation Mark as Favorite (70 Favorites)

  This animation explores patterns in atomic and ionic radii. Students will look at the different sizes of atoms in the third period and the atoms in the sixth group to see trends across periods and down groups. They will also look at an atom and its corresponding cation as well as an atom and its corresponding anion. **This video has no audio**

• 

  Physical Properties, Physical Change, Observations, Identifying an Unknown, Lab Safety, Covalent Bonding, Ionic Bonding, Intermolecular Forces, Molecular Motion | High School

  Animation: Physical Properties and Particle Interaction Animation Mark as Favorite (23 Favorites)

  This animation explores the relationship between physical properties and particle-level interactions. Particle diagrams of common household substances are used to illustrate that forces of attraction influence melting points. Similarly, particle diagrams of the same substances dissolved in water are used to compare their conductivity in solution. This animation was featured in the November 2023 issue of Chemistry Solutions. **This video has no audio**

• 

  Density, Matter, Physical Properties, Measurements | Elementary School, Middle School, High School

  Animation: Density Animation Mark as Favorite (43 Favorites)

  This animation explores density on the particulate level. There are opportunities to make qualitative and quantitative comparisons between substances. **This video has no audio**

• 

  Separating Mixtures, Mixtures, Distillation, Physical Properties | High School

  Animation: Separating Mixtures Animation Mark as Favorite (23 Favorites)

  This animation explores different ways of separating a variety of mixtures. The separation techniques addressed in this animation include filtration, evaporation, distillation, and chromatography (focusing on paper chromatography). Real-world applications as well as particle diagrams of the separation processes are included. This animation was featured in the May 2023 issue of Chemistry Solutions. **This video has no audio**

• 

  Atomic Radius, Atoms, Ionic Radius, Subatomic Particles, Periodic Table | High School

  Activity: Animation Activity: Atomic & Ionic Radii Mark as Favorite (14 Favorites)

  In this activity, students will view an animation that explores atomic and ionic radii. They will look at the different sizes of atoms in the third period and the atoms in the sixth group to see trends across periods and down groups. They will also look at an atom and its corresponding cation as well as an atom and its corresponding anion.

• 

  Limiting Reactant, Stoichiometry, Balancing Equations, Conservation of Mass, Conservation of Matter, Combustion, Conservation of Mass, Conservation of Matter | High School

  Activity: Animation Activity: Limiting Reactant Mark as Favorite (9 Favorites)

  In this activity, students will view an animation that explores what happens in a limiting reactant problem on the particulate level. Assembling a bike is used as an analogy to introduce the concept of limiting reactant, and then the balanced equation of the combustion of methane is used in four quantitative examples to show what it means for a chemical to be a limiting reactant. The concept of the conservation of mass is also demonstrated by calculating masses from the mole quantities of the reactants and products.

• 

  Electromagnetic Spectrum, Interdisciplinary | Middle School, High School, Elementary School

  Animation: The Electromagnetic Spectrum Animation Mark as Favorite (74 Favorites)

  This animation explores the electromagnetic spectrum, with a focus on the visible spectrum. It addresses the relationship between color, wavelength, frequency, and energy of light waves, as well as how an object absorbs and reflects certain wavelengths of light to contribute to the color we perceive. This animation was featured in the May 2020 issue of Chemistry Solutions. **This video has no spoken audio**

• 

  Model of the Atom, Electrons, Electron Configuration, Quantum Numbers, Subatomic Particles, Periodic Table | High School

  Animation: Orbitals Animation Mark as Favorite (140 Favorites)

  This animation explores the shapes of the 1s, 2s, 2p, 3s, 3p, 4s, and 3d orbitals and how they build up and overlap as each successive orbital is added. **This video has no audio**

• 

  Elements, Identifying an Unknown, Atomic Spectra, Emission Spectrum, Electromagnetic Spectrum, Emission Spectrum | Elementary School, Middle School

  Lesson Plan: Elements Are Out of This World Mark as Favorite (9 Favorites)

  In this lesson, students will learn about the elements that make up Earth’s atmosphere and lithosphere and then compare and contrast the information with the elements that compose various other astronomical objects.

• 

  Phase Changes, Physical Change | Middle School

  Lab: I Can’t Believe It’s Butter! Mark as Favorite (10 Favorites)

  In this lab students will learn about the phases of matter and phase changes while making a small sample of butter.

• 

  Density, Observations, Interdisciplinary, Scientific Method | Middle School, Elementary School

  Lab: Crush's Dilemma Mark as Favorite (0 Favorites)

  In this lab, students explore the concept of density. They will examine the density of a plastic sandwich bag compared to water. Students will create their own experiment and investigate factors that affect floating and sinking.

• 

  Separating Mixtures, Identifying an Unknown, Functional Groups, Molecular Structure | High School

  Lesson Plan: Gas Chromatography-Mass Spectrometry Mark as Favorite (6 Favorites)

  In this lesson, students will learn about the development of Gas Chromatography-Mass Spectrometry (GC-MS) and how it used today. There are a series of activities to help promote literacy in the science classroom related to the reading. Through these activities students will learn how to interpret a skeletal structure, as well as the names and structures of several organic functional groups. Additionally, they will examine and evaluate a mass spectrum. This lesson could be easily used as plans for a substitute teacher, as most of the activities are self-guided.

• 

  Molecular Motion, Density, Density, Temperature | Elementary School

  Lab: Observing Density of Gases and Liquids Mark as Favorite (2 Favorites)

  Students will learn about and discuss the behavior of a gas using examples of convection and an optional teacher-led demonstration. Students will then participation in a lab where they will investigate water currents by observing the results of mixing colored warm water with room temperature water. The lab will be followed by a discussion about the molecular activity of the water mixture.

• 

  Chemical Change, Chemical Change, Observations | Elementary School, Middle School

  Lab: It's Alive Mark as Favorite (0 Favorites)

  In this lab, students will practice making and recording observations, analyzing data, and identifying chemical change. They will transfer dirt, germs, and bacteria from their hands onto a piece of white bread and observe the changes that occur during the following days. Students will analyze the results, make comparisons between clean and dirty samples of bread and learn about the importance of hand-cleaning.

• 

  Physical Properties, Observations, Matter | Elementary School

  Activity: Describing Physical Properties Mark as Favorite (1 Favorite)

  In this activity, students will use their five senses to describe the physical properties of a variety of items. Students will also determine what state of matter the item is, and categorize it accordingly. Students will practice using vocabulary words as they record their observations in a data table.