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.

Explore December 3 in science history: the first human-to-human heart transplant, Pioneer 10’s historic Jupiter flyby, and the birth of X-ray spectroscopy pioneer Manne Siegbahn. Connect biology, space exploration and atomic physics with practical classroom discussion ideas. The December Science on This Day calendar features 132 STEM events in interactive HTML, slides, spreadsheet and printable PDF formats.

Explore November 24 in science history: the 1639 transit of Venus observed by Jeremiah Horrocks and William Crabtree, Charles Darwin’s *On the Origin of Species* published in 1859, and Apollo 12’s return from the Moon in 1969. Includes classroom ideas for teaching astronomy, evolution and space science, plus more science milestones for November and December. Discover ready-to-use Science on This Day resources for teachers.

Explore November 22 in science history: Louis Néel’s research into magnetic materials, Andrew Huxley’s work on nerve impulses, and the release of *Toy Story*, the first feature-length computer-animated film. Includes classroom discussion ideas and more STEM milestones for November and December. Explore the November and December Science on This Day activity sets for ready-to-use science history starters.

Explore November 18 science history through Louis Daguerre, the pioneer of early photography, and George Wald’s research into the chemistry of vision. Discover classroom ideas connecting light, chemical reactions, the eye and scientific evidence, with practical discussion prompts for middle and high school. Find more daily STEM stories in The Teaching Astrophysicist’s November Science on This Day resource set.

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.

Master middle school biology vocabulary with this comprehensive science spelling and vocabulary guide. Explore essential terms related to cells, genetics, ecosystems, evolution, microorganisms, and human body systems. Perfect for science teachers seeking classroom-ready vocabulary lists, reading comprehension support, and engaging biology reading passages that strengthen scientific literacy, academic language, and critical thinking skills.

Build stronger science literacy with this comprehensive guide to biology vocabulary words for upper elementary students. Discover essential biology spelling words, science terminology, teaching strategies, and classroom-ready vocabulary lists covering plants, animals, cells, ecosystems, and the human body. Perfect for teachers seeking engaging ways to improve scientific literacy, reading comprehension, and academic vocabulary development.

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 incredible musculoskeletal system facts for middle and high school science. Teach bones and muscles with high-engagement hooks: piezoelectric bones, the tiny stapes, femur strength, the “floating” hyoid, bone marrow making 2 million red blood cells per second, and the diaphragm working about 20,000 breaths per day. Includes classroom-ready lesson ideas and a Two Truths & a Lie routine.

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.

Discover why a science resource subscription can be a true classroom powerhouse. This blog post explains a Science Resource Lucky Dip that delivers 5 ready-to-use resources each month, helping teachers save planning time, boost science literacy, and build a growing library of reading passages, projects, critical thinking tasks, games and more.

Turn exam review into game night with a Science Against Humanity card game. This Cards Against Humanity–style resource uses biology, chemistry and physics prompts and responses (clean and spicy sets) to help older students revise key concepts, boost science vocabulary and laugh while they learn in high school, homeschool or university.

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.