New ReviewThe College Board published the mean score on the 2016 AP Chemistry exam as a 2.69, but a minimum of a three is required to earn college credit. Help pupils study for the upcoming exam with actual test questions, sample answers, and...

New ReviewMore than 83,000 scholars earned college credit, thus saving time and money by passing the AP Chemistry exam in 2017. Use the exact test questions covering concepts from activation energy to solubility to prepare for the upcoming...

New Review2018 saw some of the highest AP Chemistry scores in years. The College Board released each test question covering topics from enthalpy to net ionic equations, as well as scoring guidelines and more to benefit future scientists. Example...

Melting and burning might seem like opposites, but both exist as common examples of exothermic reactions. Scholars work with three different exothermic chemical reactions to determine the enthalpy changes. They measure and mix chemicals,...

Combine automotive science with chemistry! Young scholars investigate an alternative to the traditional engine coolant. They mix the chemicals virtually and collect data to determine the specific heat capacity. 

It's gettin' hot in here! An investigative activity has learners measure the heat of reaction in a virtual setting. After exploring the reaction, they attempt to create a solution at an exact temperature.

If you've ever felt a little drained ... try converting some ATP to ADP! Science scholars perform one of life's most important reactions using a simulated lab workbench. The fun-to-use interactive allows pupils to control the reactants...

So, you've headed out into the wilderness and forgotten your camp stove? What's a chemist to do? Solutions may be the solution! Scholars use a virtual lab workbench to create solutions that would be capable of heating food, courtesy of a...

Things are really getting heated in the lab! Science scholars scope out the facts about heat energy transfer using a simple lab from the K20 series. Groups collaborate to observe temperature changes between hot metal and water, then use...

What happens to the enthalpy of a reaction as the concentration of reactants varies? Learners explore this question with a virtual lab activity. They consider five different solutions of the same reactants and monitor the temperature...

Hiking chemists have an advantage! Young scholars use a virtual lab to conduct an experiment to create an exothermic reaction. The goal is to create enough heat to warm a meal during a hike in the rain.

Would you like milk with that? Young scientists consider thermal energy transfer to create the perfect cup of coffee. They calculate the amount of milk needed to reach a specified temperature and then test their calculations using a...

Scientists use the Born-Haber cycle to estimate the polarity and the atomic charges of polar compounds. Scholars apply their knowledge of the Born-Haber cycle to MgCl2. They complete a series of four puzzles matching the appropriate data...

Max Born and Fritz Haber developed the Born-Haber cycle in 1916, which is used for measuring enthalpy that otherwise couldn't be measured. Young scientists solve four matching puzzles using their knowledge of the stages, standard...

What has more energy than a room full of pupils after a fire drill? This lesson plan! Explore the changes in energy during different chemical reactions, discover why some reactions feel cold and others feel hot, and tackle the concept of...

Tired of long, tedious enthalpy calculations? Look no further than Hess' Law! Young chemists discover a shortcut using changes in enthalpy with a video from JFR Science. The narrator talks about the theory behind the law, then performs...

Coffee, anyone? After a quick pick-me-up, you can donate your cup to your class' calorimetry experiment! Specific heat scholars begin their study of enthalpy though a video from JFR Science. Topics covered include the equation needed to...

Need to determine the enthalpy change in a system that won't fit in a calorimeter? Hess' Law is here to help! Science scholars discover the practical uses of the law and time-saving hacks to master the calculations.

Explosions are cool ... except for when they're not supposed to happen. How do chemists control chemical reactions or design reactions that are safe? Introduce thermochemistry to budding scientists with a video from JFR Science. Content...

Both ionic and covalent bonds present as strong bonds, but which is stronger? Socratica presents a video from its chemistry playlist that attempts to answer this question. It addresses how strength is measured and the range of strengths...

Learn the facts about types of wax! Partnered pupils determine the enthalpy of combustion for traditional paraffin candles, as well as soy-based candles. The activity focuses on calculations and compares the environmental impact of both...

Melting ice seems pretty easy, right? But what's actually happening is much more complex! Introduce the class to enthalpy calculations using a video tutorial. The narrator explains and performs the calculations that show the energy at...

How do you measure the heat within a substance? Introduce your chemistry scholars to the concept of calorimetry with a short but detailed video. Pupils discover the uses of calorimetry, how to perform calculations using data from a...

Stephen Perry invented and patented the modern rubber band in 1845. Young scientists put his discovery to work as they use rubber bands to observe entropy and enthalpy. They determine the change in free energy to figure out if it...