Stoichiometry and Limiting Reactant

Activity Objectives To develop a model for a limiting reactant in a chemical reaction To analyze the combining ratios for reactions of calcium chloride with sodium oxalate and sodium phosphate To write a balanced equation for each reaction Background A balanced chemical equation specifies the mole ratio in which the reactants in a chemical reaction […]

Modeling Lunar Phases

A CAROLINA ESSENTIALS INVESTIGATION Total Time: 65-80 mins Prep: 20 mins Activity: 45-60 mins Earth and Space Science Grade Level 6-8 Middle School Quick Links Close Quick Links Open Quick Links Introduction Essential Question NGSS Materials Procedures Analysis & Discussion Resources Helpful Links Buy the Kit Introduction Essential Question NGSS Materials Procedures Analysis & Discussion […]

The Lost Volume Demonstration

The Lost Volume Demonstration What happens when an equal volume of water and ethyl alcohol mix? Is the mass additive? Is the volume additive? The Law of Conservation of Mass dictates that the mass is conserved, but is there a Law of Conservation of Volume? No, if you mix 250 mL of water with 250 […]

Electron Configuration and Periodic Trends

A CAROLINA ESSENTIALS INVESTIGATION Total Time Prep: 15 mins Activity: 60 mins Physical Science, Chemistry Grade Level 9-12 High School Quick Links Close Quick Links Open Quick Links Introduction Essential Question NGSS Materials Procedures Analysis Kit Resources Introduction Essential Question NGSS Materials Procedures Analysis Kit Resources Introduction Students are often asked to memorize the periodic […]

Earth’s Gravitational Field

A CAROLINA ESSENTIALS INVESTIGATION Total Time Prep: 15 mins Activity: 30 mins Physical Science, Earth and Space Science Grade Level 9-12 High School Quick Links Close Quick Links Open Quick Links Introduction Essential Question NGSS Materials Procedures Analysis Kit Resources Introduction Essential Question NGSS Materials Procedures Analysis Kit Resources Introduction Looking at Earth’s gravitational field […]

Minimizing Forces During a Collision

A CAROLINA ESSENTIALS INVESTIGATION Total Time Prep: 20-30 mins Activity: 45-60 mins Physical Science, Physics Grade Level 9-12 High School Quick Links Close Quick Links Open Quick Links Introduction Essential Question NGSS Materials Procedures Analysis Kit Introduction Essential Question NGSS Materials Procedures Analysis Kit Introduction Many students have had the opportunity to participate in an […]

Preying Protozoa Lab Instructions

In this activity, students observe, compare, and contrast feeding behaviors of two carnivorous species of protozoa. This is a life science activity for grades 6–12. Download the activity Predator Protozoan Species The Preying Protozoa Set will contain two of the following three species depending on availability: Didinium nasutum, Bursaria truncatella, or Pelomyxa carolienensis (Chaos). Bursaria […]

The Evolution and Survival of the Galápagos Medium Ground Finch

A CAROLINA ESSENTIALS INVESTIGATION Total Time Prep: 15 mins Activity: 20-30 mins Life Science Grade Level 9-12 High School Quick Links Close Quick Links Open Quick Links Introduction Essential Question NGSS Materials Procedures Analysis & Discussion Reference kit Helpful Links Buy the Kit Introduction Essential Question NGSS Materials Procedures Analysis & Discussion Reference kit Helpful […]

Natural Selection of Leaf Thickness on Planet Eorthe, Galaxy Tlaloc

A CAROLINA ESSENTIALS INVESTIGATION Total Time Prep: 10-15 mins Activity: 30-40 mins Life Science, Physical Science Grade Level 9-12 High School Quick Links Close Quick Links Open Quick Links Introduction Essential Question NGSS Materials Procedures Analysis Kit Resources Introduction Essential Question NGSS Materials Procedures Analysis Kit Resources Introduction In this introductory activity, students graph and […]

Human Impacts: How Can Our Impact Be Assessed?

bulldozer impact

A CAROLINA ESSENTIALS ACTIVITY What information is necessary to design a solution that reduces the impacts of human activities? Total Time Prep: 15 mins Activity: 30-60 mins Life Science Grade Level 9-12 High School Quick Links Close Quick Links Open Quick Links Introduction Essential Question NGSS Materials Procedures Analysis Kit Resources Introduction Essential Question NGSS […]

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