Royal Society of Chemistry
Crude Oil
The United States consumes more oil than any other country, and its residents use 50 percent of that for transportation. Scholars match eight fractions of crude oil to their applications. Then, they fill in three logic puzzles reviewing...
Royal Society of Chemistry
Pollutants in Air (14-16)
Polluted air contains more than 200 chemicals that age the skin, causing urban women to appear 10 percent older than their rural peers. An interesting interactive connects air pollutants and related data. Scholars work their way through...
Chemistry Collective
Virtual Lab: Gravimetric Determination of Arsenic
Arsenic in drinking water is a common problem in third world countries. Young chemists create a procedure to calculate the mass percent of arsenic in the soil. The virtual lab allows individuals to experiment with different methods.
Howard Hughes Medical Institute
Building Ecological Pyramids
Looking for a fresh take on traditional food/energy pyramids? Conduct an innovative activity where pupils build their own! The lesson uses research data from Gorongosa National Park in Mozambique for a real-life safari touch. Scholars...
Howard Hughes Medical Institute
Retroviruses and Viral Diversity
Eight percent of DNA comes from retroviruses. Learn what sets retroviruses apart from other types of viruses with an presentation that focuses on the differences between viruses with a DNA genome, an RNA genome, and retroviruses.
University of North Carolina
Dissertations
Bring on the coffee—it's dissertation time! As a handout on dissertations explains, over 50 percent of PhD candidates never finish their dissertations. The handout, part of a larger series on specific writing styles, helps motivate...
California Academy of Science
Sustainable Water Solutions: Weighing the Pros and Cons
Switching indoor water fixtures to low flow reduces water usage by more than 45 percent. This and other solutions to reduce water usage have both pros and cons. Scholars view videos of different solutions, discuss them in small groups,...
California Academy of Science
Rapid Brainstorming: How Can We Conserve Our Water Resources?
Water covers around 75 percent of the earth, yet humans struggle to find enough fresh water to live. The fourth of 10 lessons focusing on Fresh Solutions requires brainstorming. Young scientists consider various problems related to fresh...
California Academy of Science
Exploring the Impacts of Feeding the World
Approximately 50 percent of people in the world who are chronically hungry work in agriculture. While it seems counter-intuitive, the farther you live from a farm, the more food options are available. Scholars explore concepts related to...
PBS
Insolation on Earth
In 2017, the world increased the capacity for using solar energy by a whopping 32 percent. Is solar energy the future for the planet? Approach this topic from the idea of how much solar energy reaches the surface of Earth. Individuals...
Glynn County School System
Our Sun
The sun is responsible for almost 99 percent of the solar system's mass. As an essential part of our lives, the sun has many important features. A PowerPoint lesson presents information about features such as sunspots, the magnetic...
Delaware Health and Social Services
My Life. My Plan: Women
Nationwide, over 40 percent of pregnancies are unintended. A lesson designed for women of childbearing age asks them to consider their goals and provides information about reproductive health. Learners view a PowerPoint presentation and...
Princeton University
A Teacher's Guide to the Universe
Astronomers only observe four percent of the universe as the rest hides in darkness. The size, shape, and movement of the universe are the focus for an long-term high school unit. Its 43 lessons include hands-on experiments, direct...
Biology Junction
Protists
Protists carry out around 40 percent of all photosynthesis on Earth. Pupils view a presentation focused entirely on protists. It focuses on reproduction, structure, function, the benefits, and the dangers introduced by these tiny...
Biology Junction
Water Biomes
Water covers more than 70 percent of Earth's surface. Scholars learn about both freshwater and saltwater biomes in a simple presentation. They compare and contrast the differences in oxygen levels, food sources, and sunlight to better...
College Board
2015 AP® Environmental Science Free-Response Questions
Less than eight percent of AP Environmental Science test takers earn the highest score possible. Help scholars improve their scores by using actual test questions on water quality and urban planning before reading sample responses that...
College Board
2018 AP® Environmental Science Free-Response Questions
Less than nine percent of all AP Environmental Science test takers scored a perfect five on the exam in 2018. Learn from the best answers as well as the common mistakes thanks to the College Board. Four questions from the test covering...
College Board
2016 AP® Biology Free-Response Questions
A remarkably high number of scholars passed the AP Biology exam in 2016 with over 61 percent earning college credit. The College Board released the entire free-response section for future scholars to study. After answering the eight...
College Board
2015 AP® Physics 1 Free-Response Questions
It's rare for even 40 percent of test takers to pass the AP Physics 1 exam. Improve those odds for young scientists with the help of actual free response questions covering topics from free body diagrams to velocity. The College Board...
NOAA
Investigating Coral Bleaching Using Data in the Classroom
Approximately 93 percent of the individual reefs in the Great Barrier Reef suffer from coral bleaching. Scholars learn how scientists monitor coral bleaching around the world as part of a larger series. They use actual data to answer...
Howard Hughes Medical Institute
The Molecular Evolution of Gene Birth and Death
More than 90 percent of humans' DNA doesn't code for anything! Scholars watch a presentation as they answer questions relating to gene mutations. They read details, watch videos, and view animations supporting the concepts. The questions...
ProCon
Penny
Twenty-nine percent of Americans want to abolish the one-cent coin, which begs the question: Is a penny saved really a penny earned? Scholars read fascinating facts about the history of the penny in preparation for a class debate or...
US Department of Commerce
Exploring Sampling Variability - Higher Education Attainment Across The United States
More education in statistics is always beneficial. Given cards that provide the proportion of adults with bachelor's degrees in 10 random US states, scholars individually determine the sample percentage of states in which more than 30...
PBS
Going Green
Trash is where it's at! Using bags of garbage collected from the school, learners sort the contents into categories based on type of material and collect data on the results. The data may include weight, volume, and/or percent of the trash.
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