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Ninth Grade Lesson Plans (70 results)

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How Our Immune System and Vaccines Protect Us From Diseases
Lesson Plan Grade: 9th-12th
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1 review
What happens in our bodies when we get sick? How do vaccines protect us from certain diseases? These are some questions that students will learn to answer in this lesson plan. Through a series of activities, students will be introduced to our immune system. They will learn how vaccines make use of our adaptive immune response to fight diseases. Read more
How Stable is Your Food Web?
Lesson Plan Grade: 5th-9th
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"Giant Kelp Forest" © 2010 Tom Thai Could you describe the kelp forest food web as a system? Your students will design and use a simple model to test cause and effect relationships or interactions concerning the functioning of a marine food web, ranking their hypothetical ecosystems according to their stability when faced with a natural or man-made disturbance. Read more
NGSS Performance Expectations:
  • 5-LS2-1. Develop a model to describe the movement of matter among plants, animals, decomposers, and the environment.
  • MS-LS2-3. Develop a model to describe the cycling of matter and flow of energy among living and nonliving parts of an ecosystem.
  • MS-LS2-4. Construct an argument supported by empirical evidence that changes to physical or biological components of an ecosystem affect populations.
  • HS-LS2-6. Evaluate the claims, evidence, and reasoning that the complex interactions in ecosystems maintain relatively consistent numbers and types of organisms in stable conditions, but changing conditions may result in a new ecosystem.
Make a Dye-Sensitized Solar Cell
Lesson Plan Grade: 9th-12th
How does a solar cell work? In this green chemistry lesson plan, students will build and test their own dye-sensitized solar cells using dye from blackberries. Along the way, they will learn about the principles of green chemistry and evaluate how solar cell manufacturing can go green. Read more
NGSS Performance Expectations:
  • HS-ESS3-2. Evaluate competing design solutions for developing, managing, and utilizing energy and mineral resources based on cost-benefit ratios.
  • HS-ESS3-4. Evaluate or refine a technological solution that reduces the impact of human activities on natural systems.
Model the Chances of Getting an Autoimmune Disease
Lesson Plan Grade: 9th-12th
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Can genetic or environmental factors affect our chances of getting a certain disease? In this activity, your students will model how an existing predisposition can impact the probability of developing an autoimmune disease using dice and M&M's® candy! Read more
NGSS Performance Expectations:
  • HS-LS3-3. Apply concepts of statistics and probability to explain the variation and distribution of expressed traits in a population.
Ping Pong Pickup Challenge for Grades 9-12
Lesson Plan Grade: 9th-12th
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In this fun engineering lesson plan, your students will build devices from paper, tape, string, and paper clips to pick up and retrieve a ping pong ball. The challenge is to pick up the ball from as far away as possible! Elementary school and middle school versions of this lesson plan are also available. The 2023 competition is over, but you can see what students built and learn about the winners on the 2023 Engineering Challenge summary page. Read more
NGSS Performance Expectations:
  • High School - Science & Engineering Practices
Preventing Outbreaks with Herd Immunity
Lesson Plan Grade: 6th-12th
What is herd immunity, how is it achieved, and what impact does it have on outbreaks? Students will explore these questions and more in this lesson plan. They will then use SimPandemic, a free online tool, to model different levels of viral immunity in communities to understand how a population can reach the herd immunity threshold and the impacts that has on individuals and populations during a COVID-19 outbreak. Remote learning adaptation: This lesson plan can be conducted remotely. … Read more
NGSS Performance Expectations:
  • MS-LS2-4. Construct an argument supported by empirical evidence that changes to physical or biological components of an ecosystem affect populations.
  • HS-LS2-8. Evaluate evidence for the role of group behavior on individual and species' chances to survive and reproduce.
Rocket Catcher Challenge for Grades 9-12
Lesson Plan Grade: 9th-12th
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In this fun engineering lesson plan, your students will build a rocket-catching device to help a falling rocket land vertically without crashing, using simple and readily-available materials. Elementary and middle school versions of this lesson plan are also available. This lesson was part of the 2025 Science Buddies Engineering Challenge. Read more
NGSS Performance Expectations:
  • High School - Science & Engineering Practices
Rubber Band Car Challenge for Grades 9-12
Lesson Plan Grade: 9th-12th
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In this fun engineering lesson plan, your students will build rubber band-powered cars using readily available craft supplies. The challenge is to build a car that goes as far as possible while making careful use of materials. Elementary school and middle school versions of this lesson plan are also available. This lesson was part of the 2024 Science Buddies Engineering Challenge. Read more
NGSS Performance Expectations:
  • High School - Science & Engineering Practices
Stomata Printing: Microscope Investigation
Lesson Plan Grade: 3rd-12th
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"Backlit Leaf" © 2011 Threthny Plants have many crucial roles on our planet, and among these is the gas exchange that happens within their leaves. As plants take in carbon dioxide from our atmosphere, they release oxygen and retain the carbon. In this lesson, students will investigate leaves up close to look for the structures responsible for gas exchange. Read more
The Making of a GMO Crop
Lesson Plan Grade: 9th-12th
Students will compare and contrast methods of selective plant breeding, describe the scientific process of creating a genetically modified plant, compare genetically modified soybean seeds to conventional soybean seeds, describe the impact weeds have on plant growth, and understand how a genetically modified seed can help farmers manage weeds. Read more
NGSS Performance Expectations:
  • HS-LS1-1. Construct an explanation based on evidence for how the structure of DNA determines the structure of proteins, which carry out the essential functions of life through systems of specialized cells.
  • HS-LS3-1. Ask questions to clarify relationships about the role of DNA and chromosomes in coding the instructions for characteristic traits passed from parents to offspring.
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