# Classroom Resources: Chemistry Basics

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226 – 250 of 455 Classroom Resources

• Observations, Separating Mixtures, Balancing Equations, Percent Yield, Stoichiometry, Limiting Reactant, Mole Concept, Dimensional Analysis, Measurements, Error Analysis, Error Analysis | High School

### Lab: Limiting Reactant Lab

In this lab, students react copper(II) chloride with aluminum to determine the limiting reactant. They then isolate one product to determine their percent yield.

• Introduction, Interdisciplinary, Scientific Method | High School

### Activity: Write the Methods Section

In this activity, students will learn how to write and think like a scientist when they complete their lab write ups.

• Chemical Change, Acid & Base Theories, Strong vs Weak, Mixture, Salts, Ions, Conductivity | Middle School

### Lesson Plan: Why Drink Gatorade?

In this lesson, students will test different flavors of Gatorade and other liquids to investigate acids and bases. This will take several days unless students already know about acids and bases.

• Observations, Separating Mixtures, Solubility, Concentration, Precipitate, Identifying an Unknown, Molarity, Net Ionic Equation, Balancing Equations, Percent Yield, Stoichiometry, Limiting Reactant, Mole Concept, Dimensional Analysis, Graphing | High School

### Lab: White Lab

In this lab, students use molarity concepts to review limiting reactant concepts mathematically, conceptually, and graphically. They can then carry out a follow up investigation to identify an unknown using concepts learned in the first investigation.

• Observations, Balancing Equations, Stoichiometry, Limiting Reactant | High School

### Lesson Plan: Limiting Reactant

This lesson is intended to be used as an introduction to the concept of limiting reactants.

• Observations, Melting Point, Phase Changes, Introduction, Physical Change | Elementary School

### Lesson Plan: Let's Get Physical About Water

In this lesson, students will learn about the phase changes of matter. During the course of two days students will perform several short experiments in order to change the state of water and they will record their observations.

• Lab Safety | Middle School, Elementary School, High School

### Activity: What Not to do in the Chemistry Lab

In this activity, students will examine a cartoon of a chaotic chemistry laboratory and note the specific behaviors that are dangerous and unsafe in a chemistry laboratory setting. This activity provides an opportunity for teachers to introduce laboratory safety and best laboratory practices and discuss them with their students.

• Concentration, Molarity, Stoichiometry, Limiting Reactant, Chemical Change, Calorimetry, Heat, Temperature, Exothermic & Endothermic, Scientific Method, Enthalpy, Experimental Design | High School

### Lab: Less Than Zero

In this lab, students will investigate the endothermic reaction between baking soda and HCl. Students will consider stoichiometric ratios, molar concentrations, reaction scale, and calorimetry. The lab starts with a scripted reaction that uses given molar ratios, a glass beaker, and 2-M HCl. They will witness a temperature drop of about 5 to 8 C. Students then adjust the experiment so they can achieve a temperature drop of more than 20 C.

• Observations, Molecular Motion, Heat, Specific Heat, Temperature | Middle School, High School

### Activity: What Makes Something Feel Warm

In this lesson students actively engage in thinking about energy issues in chemistry and the nature of energy (thermal) transfer. The idea that temperature is a measure of heat content will be challenged, and students will be given the opportunity to collect data that will allow them to clearly see that different materials transfer energy at different rates.

• Observations, Inferences, Molecular Motion, Temperature | Middle School, High School

### Demonstration: What is Temperature?

In this demonstration, students will observe food dye mixing with water at different temperatures.

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

### Lab: Lemon Ice

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.

• Observations, Density, Physical Properties, Introduction, Mixtures | Elementary School

### Lesson Plan: What is Density

In this two-part lesson, students will learn about density through a teacher-led demonstration and a hands-on activity. The demonstration will give students the opportunity to observe the formation of a density tower made from common drinks. Students will then create their own density tower using simple ingredients, and then further investigate differences in density when solid objects are added to the tower.

• Observations, Physical Properties, Introduction, Elements, History, Periodic Table, Chemical Properties | High School

### Lesson Plan: What is Chemistry?

In this lesson, students watch a video narrated by Bill Nye, and then complete a SOMA cube to enhance their perspective in the process of discovery.

• Gas Laws, Catalysts, Combustion, Stoichiometry, Limiting Reactant, Enthalpy, Activation Energy, Energy Diagrams, Experimental Design | High School

### Lab: Launching Rockets

In this lab, students create a stoichiometric mixture of hydrogen and oxygen gases to launch a soda bottle rocket.

• Observations, Chemical Change, Conservation of Mass, Chemical Change, Heat, Temperature, Exothermic & Endothermic | Middle School, High School

### Lab: Kitchen Reaction

In this lab students will observe an endothermic chemical reaction involving baking soda (sodium bicarbonate) and vinegar (acetic acid). Students will investigate the signs a chemical reaction has occurred (gas production, change in temperature). Students will perform the lab in an open system so they can see the change of mass due to gas production. This lab is a lead into the topic of conservation of mass. After the lab is completed, the teacher should do a demonstration of the exothermic reaction Hydrogen peroxide and potassium iodide.

• Reaction Rate, Order of Reaction , Graphing | High School

### Lab: Kinetic Approach to Water Flow

This lab uses the principles of chemical kinetics without using a chemical reaction. It’s an effective means to introduce the important relationship between concentration and time at an introductory level. Students will have the opportunity to analyze data and make important connections through graphing their data.

• Introduction, Conservation of Mass, Balancing Equations, Conservation of Mass, Limiting Reactant | High School, Middle School

### Activity: Kinesthetic Reactions

In this lesson students, through their physical movement, will model the law of conservation of mass during a chemical reaction. Students will also explore the concepts of limiting and excess reactants as well as balancing a chemical equation. Through this activity they also develop a means of representing particles at the molecular level.

• Chemical Change, Intermolecular Forces, Polarity, Polymers, Molecular Structure, Intermolecular Forces, Scientific Method, Monomer | Middle School

### Lesson Plan: Watch the Baby! Superabsorbent Polymer

In this lesson, students will learn about how polymers, specifically superabsorbent polymers, work. Through lab activities, students will investigate polymer properties.

• Culminating Project | High School

### Activity: Video Project

In this activity, students will solve a multistep problem in a video so others can learn how to solve it.

• Chemical Change, Molecular Formula | Middle School, High School

### Lesson Plan: Valentine's Day Chemistry

In this lesson, students learn about the chemistry of love. They see chemical structures of compounds involved in the biological process of love and learn about some of the chemical changes associated with love.

• Observations, Chemical Change, Balancing Equations, Classification of Reactions, Chemical Change | High School

### Lab: It's Time to React

In this lab, students will conduct four chemical reactions and analyze each for indicators of a chemical reaction. Based on their observations students will write a balanced chemical equation for each reaction as well as identify the reaction type for each reaction.

• Half Lives, Graphing | High School

### Lab: Twizzler Half-Life

In this lab, students will better understand the concept of half-lives.

• Isotopes, Atomic Mass, Subatomic Particles, Experimental Design | High School

### Lab: Isotopes Make Cents

In this lab, students use a sample of pennies to mimic how average atomic mass is calculated.

• Periodic Table | High School

### Activity: Trends of the Periodic Table

In this activity, students will assemble a fictitious periodic table based on clues about the structure of the real periodic table.

• Chemical Change, Physical Change, Identifying an Unknown, Acid Base Reactions | Middle School

### Lab: Is It a Hoax

In this lab, students will perform tests on the physical and chemical properties of different substances to determine the identity of the unknown.