Explore three important events in science history on December 11! Discover how Apollo 17 advanced lunar geology, how Robert Koch helped establish the role of bacteria in infectious disease, and how the Kyoto Protocol connected climate science with international action. Includes classroom discussion ideas for space science, microbiology, and climate change, plus more STEM events to explore throughout December.

Explore December 9 in science history! Discover Douglas Engelbart’s groundbreaking 1968 computer demonstration, the 1979 certification of smallpox eradication, and Fritz Haber’s role in developing industrial ammonia synthesis. These events connect computing, biology, chemistry, agriculture, and scientific ethics, with practical discussion ideas for middle and high school science classrooms.

Explore December 8 in science history! Discover how NASA’s Galileo spacecraft used Earth’s gravity to travel towards Jupiter, how Eli Whitney’s inventions transformed cotton processing and manufacturing, and how Thomas Cech revealed that RNA can act as a catalyst. These science history stories connect physics, engineering, chemistry and biology, with practical classroom discussion ideas for middle and high school teachers.

Discover three science milestones from December 4! Explore how the International Space Station began taking shape, how Alfred Hershey’s research helped show that DNA carries genetic information, and how Gemini 7 tested the limits of human spaceflight. These events make engaging science starters for middle and high school. Explore 132 daily STEM events in the December Science on This Day activity set, with interactive HTML, slides, spreadsheet and printable PDF.

Need reliable emergency sub plans for middle school biology or life science? This practical guide explains how to build ready-to-use substitute lessons using science reading passages, anchor charts, graphic organizers, research projects and independent activities. Explore ideas for genetics, cells, ecology, human biology, neurobiology, cellular respiration and more, with adaptations for upper elementary and high school.

Build scientific literacy with this comprehensive high school biology vocabulary guide. Explore essential life science terms related to cells, genetics, evolution, ecology, microbiology, biotechnology, and human body systems. Perfect for biology teachers seeking classroom-ready vocabulary lists, spelling support, reading comprehension resources, and engaging science reading passages that strengthen academic language, critical thinking, and biology understanding.

Why are seeds such an important topic in middle and high school science? Discover how seed biology helps students understand plant reproduction, germination, biodiversity, ecology, agriculture, adaptation, and sustainability. Explore practical teaching ideas and classroom-ready resources featuring slides, podcasts, assessments, reading passages, infographics, and inquiry projects that make plant science engaging, meaningful, and relevant to the real world.

Discover why mitosis and meiosis are among the most important biology topics in middle and high school science. Learn how teaching cell division builds understanding of genetics, heredity, evolution, reproduction, and human health while strengthening scientific literacy and critical thinking. Explore classroom-ready resources featuring slides, podcasts, differentiated reading passages, assessments, infographics, and inquiry projects that make complex concepts accessible and e

Why is mapping ecosystems such an important topic in middle and high school science? Discover how studying food webs, biodiversity, habitats, and environmental change develops systems thinking, scientific literacy, and critical reasoning. Explore practical teaching ideas and classroom-ready ecosystem resources featuring slides, podcasts, reading passages, assessments, infographics, and inquiry projects that make ecology engaging and meaningful for today's students.

Discover why individual vs group behavior is one of the best biology topics for middle and high school science. Explore how animal cooperation, competition, migration, communication, and survival strategies build understanding of ecology, evolution, systems thinking, and STEM concepts. Includes classroom-ready focus unit resources with slides, podcasts, quizzes, reading passages, infographics, and inquiry-based research projects.

Teach invasive species with 6 amazing facts that make ecology feel real. This blog post covers the $423 billion global cost of invasive species, 37,000+ established alien species, brown tree snakes in Guam, Hydrilla regrowth from tiny fragments, zebra mussels filtering 1 liter of water a day, and Burmese pythons causing huge Everglades mammal declines. Includes practical classroom ideas, Two Truths & a Lie, and Micro-CER writing for science class.

6 brilliant bacteria and virus facts that hook middle and high school students fast. Learn classroom-ready ways to teach microbes with Two Truths & a Lie, quick bell ringers, and Micro-CER writing. Includes mind-blowing topics like bacteriophages, giant viruses, bioluminescence, magnetotactic bacteria, “electric” bacteria, and the 1:1 human cell to bacteria cell ratio.

Help your students master Punnett squares with simple, classroom ready genetics practice problems. This blog post shares step by step examples, monohybrid and dihybrid crosses, plus engaging worksheet and sketch activities using coins and dice for middle and high school science.

Discover how to make genetics unforgettable with a varied mix of resources for middle and high school science. This post explores using reading passages, worksheets, projects, debates and hands-on probability activities to teach heredity, traits and genetic engineering in an engaging, low-prep way.

Comprehensive genetics unit for middle & high school: monohybrid & dihybrid inheritance, traits, DNA & RNA, genetic engineering, and population adaptations. Includes leveled readings, practice problems, activities, and assessments - ready to teach and differentiate.

Engage students with an easy dice-roll dihybrid cross activity! Free tips, 4×4 Punnett squares, answer key, and six creature sketches - perfect for busy biology teachers. Visit & grab your resource!

Coin-flip Punnett Squares genetics sketch activity—printable practice worksheet set with 2 levels & 5 creatures. Perfect for science teachers. Download today!

A comprehensive Meiosis & Mitosis webquest with lesson plans, critical thinking scaffolds, and high quality resources for science teachers.

Mitosis & meiosis resources for dynamic cell cycle lessons—readings, projects & worksheets for today’s science teachers!

A brief blog post about why mapping and understanding ecosystems are so important and critical.