Powerful Points
My name is Heidi Crowhurst. This is my 21 st year in education and I am currently serving as the Department Chair at a Jr. High school in Northwest Houston. My certifications include Secondary Science, Special Education, Elementary Self-Contained, and Elementary Biology. I have taught in Texas
and Colorado. I have served as a mentor teacher for West Texas A&M University, Teach for America, Region 17 Service Center (Texas), and Harrison District 2 (Colorado). My goal is to produce meaningful lessons in an engaging format that reaches all types of learners. I create PowerPoints with a purpose.
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Electromagnetic Spectrum
$3.00Power Point: An introduction to the Electromagnetic Spectrum including examples, energy, and wavelengths. Includes guided notes and a student activity sheet designed to help students identify examples of the EM spectrum in everyday life. Store: Powerful...$3.00 -
Food Chains and Food Webs
$3.00PowerPoint presentation includes a comparison of food chains to food webs. Essential vocabulary - trophic level, producer, consumer, heterotroph, autotroph, primary consumer, secondary consumer, tertiary consumer, quaternary consumer. Multiple Response...$3.00 -
Strawberry DNA Extraction Lab
$3.00PowerPoint includes:Lab description and background information for teachers"How it Works" with illustrations for studentsScientific Method Lab report formatted as a Graphic Organizer including:Testable QuestionTerms to KnowFormatted Hypothesis (If,...$3.00 -
Heat Transfer - Land & Sea Breezes
$4.00PowerPoint includes:An introduction to "heat" and "temperature"3 methods of heat transfer: Conduction, Convection, RadiationSea Breeze vs. Land Breeze: -convection currents-direction of breeze flow-animations-Check for understanding breeze...$4.00 -
Plate Tectonics
$4.00PowerPoint includes:Focus Activity: Pangaea Puzzle Activity with pre and post activity questions.Part 1:Introduction to Plate Tectonics and the Theory of Continental Drift, including Alfred Wegener.Animations of continental drift and convection currents...$4.00 -
Eco-Footprints - How Big is your Eco-Footprint?
$3.00PowerPoint includes:Table Talk: Students predict the meaning of the term ecological footprint.Guided instruction: Intro. to the term ecological footprint, what it measures, and how it impacts nature.Students will complete the Eco-Footprint Quiz to...$3.00 -
Weekly Science Warm Ups
$4.00A 10 week set of science weekly warm ups (bell work). Questions are predominantly related to life science. 22 pages over 100 questions with answer key. Store: Powerful Points$4.00 -
Cell Organelles (Basic)
$3.00PowerPoint includes:1. Animated introduction to the following organelles:NucleusCytoplasmCell MembraneMitochondriaVacuoleCell WallChloroplast2. Guided student worksheet with plant and animal cell diagrams and structure/function chart. Answer key included...$3.00 -
Motion Graphs
$4.00Lesson Objective:Interpret and describe changes in position or direction of an object over time using motion graphs. Types of Graphs Included in Lesson: Distance/Time Position/TimeApplied Concepts:Task 1: Reading Multiple Step Motion GraphsTask 2:...$4.00 -
Science Weekly Warm-Ups Set 2
$3.00This set includes 5 weeks of science weekly warm ups with content aligned to middle school science national standards. Answer key is included.PowerPoint format allows you to use whole group instruction to check for understanding...$3.00 -
Sun-Earth-Moon System: Solar and Lunar Eclipses
$4.00Lesson Objectives:The student knows the effects resulting from cyclical movements of the Sun, Earth, and Moon. The student is expected to demonstrate events in the lunar cycle, including solar and lunar eclipses.Identify advantages and limitations of...$4.00 -
Emission and Absorption Spectra
$4.00Emission and Absorption Spectra 5E LessonEngage: Do you know how a rainbow is formed? -Link to animated video clip-Diffraction diagramExplain: Definition, Examples, Graphics, and Uses (astronomy connection) for each type of spectrum.Explore: Using...$4.00