Keystone Science

Students sometimes struggle applying what they are learning in science to the real world. I developed these “Real Life Stoichiometry Problems” to help students see how these types of problems are used in the “real world”. The examples on this worksheet detail the stoichiometry involved in car air bags and space travel. These problems are best for students that have mastered all aspects of stoichiometry problems. You will receive an uneditable PDF file with a two-page student handout and 3-page

This packet includes review pages for all major topics covered in an introductory high school biology course: ✅ Cell Types & Parts ✅ Biochemistry (Properties of Water & Macromolecules) ✅ Bioenergetics (Cell Respiration & Photosynthesis) ✅ Homeostasis and Cell Transport ✅ Cell Cycle and Reproduction ✅ Genetic Inheritance & Gene Expression ✅ Evolution ✅ Ecology Give your students a comprehensive review for an EOC exam or use pages individually to review before a unit test. The student packet and a

Metric conversions are an integral part of the chemistry and general science curriculum. This worksheet contains 20 practice problems as well as a *visual* metric conversion chart to help students. Included in this post: one page PDF worksheet with 20 problems with answer key. Related Products⭐ Differentiated Metric Conversion Tarsia Puzzle Practice Printable Activity⭐ Extension Metric Conversion Unit Comparison Challenge Student Worksheet with Key⭐ Metric Conversion Practice Activity Tarsia

This is a differentiated PPT and Printable PDF activity that will introduce students to negative and positive feedback loops, help them understand the importance of maintaining homeostasis, glucose regulation, water concentration regulation, body temperature control, and calcium regulation in the human body. Meet the unique needs of your school's current learning environment and meet all your learners where they are with two versions of the same activity available in both print and digital v

Transform your biology classroom with this complete, yearlong Biology curriculum bundle packed with PowerPoints, guided notes, review materials, vocabulary supports, and exclusive bonus files. Designed to align with NGSS and STEELS, this bundle gives teachers everything they need for a well-structured, visually engaging, and content-rich Biology course. Whether you're building a new curriculum, refreshing your slides, or looking for a consistent set of high-quality lessons, this bundle delive

This is a phenomenal back-to-school activity to get students thinking about science vocabulary terms. It is also a great introduction to biology, environmental science, or general science. The worksheet includes different question types to give students the opportunity to analyze unknown scientific words from different perspectives. I have found it extremely helpful to model how to find the words and form a definition that makes sense before sending students off to work on their own or in group

This worksheet introduces students to balancing equations and the two methods for balancing equations. Both methods (drawing molecules and counting atoms) are explained in detail on the first page of the worksheet. On the second page there are 5 easy practice equations with enough room for students to show their work utilizing both methods (a table to count atoms and space to draw the molecules). This resource is also available as an Easel activity! The Easel activity includes drag and drop piec

Included in this post: PPT file with presentation, instructor notes, PDF student fill-in-the-blank notes and PDF file with answer key to notes. Content is aligned to the eligible content and assessment anchors for the Pennsylvania Keystone Exams for Biology. If you are looking for a COMPLETE PowerPoint and note packet for energy processing in cells, this is it! The PowerPoint includes wonderful images and diagrams for your visual learners! Below is the outline of the unit: ATPPhotosynthesis and

The properties of gases and gas laws unit will practically teach itself! In this bundle are two of my best-selling products that will supplement your chemistry curriculum. My interactive and highly visual PPT presentation with information on the properties of gases and ALL the gas laws is included along with my massive gas law practice packet. Topics covered in this unit are: characteristics and properties of gases, temperature and pressure conversions, kinetic molecule theory, Boyle's law, Cha

Looking for an inquiry-based, differentiated activity for your students to explore the trends in the periodic table? This is the PERFECT activity for your students! This activity can be used to reinforce the periodic trends after discussing the organization/how to read the periodic table OR as an inquiry activity before discussing the trends. Students will produce 12 graphs in order to analyze the periodic trends (electronegativity, atomic radius, and first ionization energy) and deduce their re

If you are looking for a COMPLETE PowerPoint/Google Slides presentation and note packet for the history, organization, and trends of the Periodic Table, this is it! The PowerPoint/Google Slides presentation includes vibrant images and diagrams for your visual learners! Topics covered include: history, development and, organization of the periodic table, metals, nonmetals, metalloids, groups of the periodic table (alkali metals, alkaline earth metals, halogens, noble gases, and transition metals

Keep your biology students engaged all year with this complete word wall bundle: every biology word wall in my store, all in one place. This bundle covers ALL vocabulary in a high school intro to biology course across 15 topics: biological levels of organization, cell types and parts, biochemistry, macromolecules, cellular respiration, photosynthesis, homeostasis, cell transport, DNA, chromosomes, cell reproduction, genetics, protein synthesis, ecology, and evolution. What's included (384 terms

4 NGSS-aligned biology review packets designed for end-of-year review, spiral review, and EOC test prep with a complete Teacher Guide included.What's IncludedThis resource contains 4 print-ready review packets covering all four NGSS High School Life Science topic areas, plus a full Teacher Guide with implementation strategies. 30 pages of student-facing content, with complete answer keys for every page (70+ pages total!) Biological Structure & Function Review — HS-LS1-1 through HS-LS1-7Biologica

Students must be able to identify the number of each type of element in a chemical formula and use coefficients to balance chemical equations. This worksheet gives students the foundation to be successful when writing and balancing chemical equations and stoichiometry. Your purchase includes a one page PDF worksheet (10 questions) with a visual to assist students with counting the number of elements, atoms, and molecules in a given chemical formula. Answer key is included as a PDF document. Rela

Kick off the school year with an engaging, interactive, and NGSS-aligned resource designed to boost critical thinking and analytical skills in your high school students. This Claim, Evidence, Reasoning (CER) Activity is the perfect tool to introduce and reinforce the CER framework, fostering a deeper understanding of scientific inquiry and reasoning skills. Engage Your Students: With real-world scenarios and relatable prompts, students will be eager to practice their CER skills. The included sce

Struggling to help your students grasp the structure of the cell membrane, diffusion, or osmosis? This engaging, ready-to-use resource is the perfect solution for high school biology teachers! This PowerPoint presentation and accompanying PDF with guided student notes make complex concepts accessible and memorable for your students. Designed with both new and veteran teachers in mind, this resource includes presenter notes packed with: Common student misconceptions.Real-world examples to spar

UPDATE! Included with the cycle diagrams is now a ONE-PAGE overview of the water cycle, carbon cycle, nitrogen, cycle, and phosphorus cycle. A separate page for each information sheet with student comprehension questions is included for each cycle. These are included with the printable diagrams ONLY (they are not currently part of the Google Slides file). The information on each cycle includes NGSS-aligned content: discussing human impacts to each cycle and their reservoirs. This is a Google Sl

EVERY GAS LAW is covered in this packet as well as some important conversions for gas law problems (pressure and temperature conversions). This packet includes my worksheets on: ✅Boyle's Law ✅Charles' Law ✅Graham's Law ✅Ideal Gas Law ✅Combined Gas Law ✅Mixed Gas Law Problems (2 pages!) ✅Pressure and Temperature Conversion ✨ BONUS resources included in this packet include: → Helpful Hints cover page cheat sheet with STP, equivalent pressures, laws and equations, R values, and tips for solving gas

If you are looking to a COMPLETE PowerPoint and student guided note-taking sheet for chemical reactions, writing/balancing equations, and types of chemical reactions this is it! The PowerPoint includes vibrant diagrams for your visual learners and real-life reactions/applications. PowerPoint is completely animated with teaching notes and tips. Topics covered include: chemical vs. physical change, chemical equation writing, law of conservation of mass overview, balancing chemical equations, type

If you are looking for a COMPLETE PowerPoint and note packet that covers general ecology topics for a high school biology class, this is it! Topics included in this 70 slide unit PowerPoint are: ecological levels of organization (ie, organism, population, community, ecosystem, biome, biopshere)biotic and abiotic components of aquatic and terrestrial ecosystemsenergy flow through an ecosystem (eg, food chains, food webs, energy pyramids)biotic interactions & relationships (eg, competition, preda