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Science Buddies' eleventh grade science projects are the perfect way for eleventh grade students to have fun exploring science, technology, engineering, and math (STEM). Our eleventh grade projects are written and tested by scientists and are specifically created for use by students in the eleventh grade. Students can choose to follow the science experiment as written or put their own spin on the project.

For a personalized list of science projects, eleventh graders can use the Science Buddies Topic Selection Wizard. The wizard asks students to respond to a series of simple statements and then uses their answers to recommend age-appropriate projects that fit their interests.

Let us help you find a science project that fits your interests, with our Topic Selection Wizard.
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Lesson Plan Grade: 9th-12th
Add a twist to a classic activity with this fun lesson plan. Your students will design and build a ball run for a ping pong ball using nothing but paper and tape. Their goal is to make the slowest ball run possible. How long can they make it take for the ball to go through their ball run? Find out and enter your students' designs in the 2022 Fluor Engineering Challenge! Teachers, note that elementary and middle school versions of this lesson plan are also available. … Read more
NGSS Performance Expectations:
  • High School - Science & Engineering Practices
Lesson Plan Grade: 9th-12th
How does surface area affect the speed of a chemical reaction? Let your students find out in this sizzling lesson plan! In this project, they will explore this correlation by crushing Alka-Seltzer® tablets into different sized particles and measuring how long it takes for them to dissolve in water. Read more
NGSS Performance Expectations:
  • HS-PS1-5. Apply scientific principles and evidence to provide an explanation about the effects of changing the temperature or concentration of the reacting particles on the rate at which a reaction occurs.
Lesson Plan Grade: 9th-12th
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Teach your students how temperature affects chemical reaction rates in this highly visual experiment! Students will investigate color change during the reaction of food color with bleach, and measure the reaction times for different reaction temperatures. Read more
NGSS Performance Expectations:
  • HS-PS1-5. Apply scientific principles and evidence to provide an explanation about the effects of changing the temperature or concentration of the reacting particles on the rate at which a reaction occurs.
Lesson Plan Grade: 6th-12th
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In this lesson plan, students will take a closer look at the most recent developments in gene editing. Specifically, they will learn about the CRISPR technology using various interactive simulations and other resources. Based on their gained knowledge, students will create a model of the CRISPR-Cas9 components and create a stop-motion animation video of the molecular mechanism of CRISPR-Cas9. Remote learning adaptation: This lesson plan can be conducted remotely. Students can work… Read more
NGSS Performance Expectations:
  • MS-LS4-5. Gather and synthesize information about technologies that have changed the way humans influence the inheritance of desired traits in organisms.
  • 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.
Lesson Plan Grade: 9th-12th
In this lesson, students will employ the enzymatic decomposition reaction of hydrogen peroxide to investigate how chemical reactions are affected by enzymes and different substrate concentrations. Students will be challenged to control the rate of the reaction by adjusting the amount of substrate and thus changing the catalase activity. Foam production, created by the enzymatic breakdown of hydrogen peroxide into water and oxygen, will function as a proxy for the reaction rate. Based on their… Read more
NGSS Performance Expectations:
  • HS-PS1-5. Apply scientific principles and evidence to provide an explanation about the effects of changing the temperature or concentration of the reacting particles on the rate at which a reaction occurs.
Lesson Plan Grade: 9th-12th
Students explore how force, mass, and acceleration are related in this hands-on lesson plan. By experimenting with pushing a box across the table while varying force and mass and measuring the box's acceleration with a mobile phone and a sensor app, students discover Newton's second law of motion for themselves. Read more
NGSS Performance Expectations:
  • HS-PS2-1. Analyze data to support the claim that Newton's second law of motion describes the mathematical relationship among the net force on a macroscopic object, its mass, and its acceleration.
Lesson Plan Grade: 9th-12th
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Teach your students about the engineering design process with this fun lesson plan. The lesson is based on the real-world challenge of designing an observation tower. Can your students maximize the height of the tower while minimizing the amount of material needed to construct it? Teachers, note that elementary and middle school versions of this lesson plan are also available. The 2021 Fluor Engineering Challenge is over, but you can still try out this fun challenge with your students! … Read more
NGSS Performance Expectations:
  • HS-ETS1-3. Evaluate a solution to a complex real-world problem based on prioritized criteria and trade-offs that account for a range of constraints, including cost, safety, reliability, and aesthetics as well as possible social, cultural, and environmental impacts.
Lesson Plan Grade: 9th-12th
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.
Lesson Plan Grade: 9th-12th
Are your students passionate about the environment? Do they like to explore new ideas for more eco-friendly products? This lesson will give your students a chance to grow a product out of mycelium composite, a material that recently gained traction as an eco-friendly alternative for many plastics and foams. Students will analyze the impact of this product on the environment at every step of its life cycle, from raw material to the end of its life, and compare it to a plastic or cardboard… Read more
NGSS Performance Expectations:
  • HS-ESS3-4. Evaluate or refine a technological solution that reduces impacts of human activities on natural systems.
Lesson Plan Grade: 9th-12th
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You might have read about the negative impacts modern human civilization has had on the environment, like pollution, deforestation, and extinction of animal species. How can we use modern technology to help protect the environment? In this project-based lesson students will design an electronic circuit that can measure something in the environment like water quality and light pollution, and develop a plan for how their circuits could be used to solve a real-world problem. Read more
NGSS Performance Expectations:
  • HS-ESS3-4. Evaluate or refine a technological solution that reduces impacts of human activities on natural systems.
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Free science fair projects.