Science Buddies Blog (33 results)
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April 21, 2025 8:00 AM
Use these free STEM lessons and science activities to explore DNA, heredity, and genetics with K-12 students.
How are we like our parents? What makes apples and onions different? Why are some siblings similar in appearance or behavior and others different? How do our genes determine our features and physical characteristics? Can our genes also predict our health or the probability that we will get a disease?
DNA holds the key to answering these…
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March 25, 2025 6:00 AM
Use these free STEM lessons and activities to introduce and experiment with robotics with students. From designing and building simple robots to thinking about how robots can be used to solve real-world problems, these hands-on projects help students gain and practice circuit-building and robotics engineering skills.
The free STEM lessons, projects, and activities below help introduce students to robotics, robotics engineering, and the kinds of…
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October 9, 2024 6:00 AM
Discover Chemistry Lessons for Your K-12 Classroom
What are you teaching this week? Next week? Next month?
When do you teach chemistry? What topics do you cover to meet your curriculum needs? Mixtures and solutions? Chemical reactions? Enzymes? Substrates? Replacement? Catalysts? Polymerization? Green chemistry?
We know educators spend a lot of time searching for quality lessons to fit their curriculum needs each year. You want quality materials that align with your…
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October 7, 2024 6:00 AM
Discover Earth & Space Science Lessons for Your K-12 Classroom
What are you teaching this week? Next week? Next month?
When do you teach Earth & Space Science? What topics do you cover to meet your curriculum needs? The water cycle? The solar system? Weather and climate? Landforms and ocean sciences?
We know educators spend a lot of time searching for quality lessons to fit their curriculum needs each year. You want quality materials that align with your class…
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August 26, 2024 8:00 AM
Use these free STEM lessons and activities to teach about animal behavior, animal anatomy, and adaptations as you explore animal science K-12 students.
The free STEM lessons and activities below help students learn about animals and animal science, including habitats, adaptations, animal behavior, and other zoology and mammalian biology topics. For key terms to review with students, see the list of vocabulary words at the bottom of this resource.…
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August 2, 2024 6:00 AM
Use these free lesson plans and activities to teach students about plant science—hands-on STEM options for all grade levels!
Plant science, botany, plant ecology, and plant biology can be introduced to students and explored at all grade levels. To support you in teaching K-12 students about plant science, we have a range of resources that can work well in a wide range of settings:
Lesson Plans
Activities
Student Projects
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July 25, 2024 6:00 AM
Covering forces and laws of motion in science class? Try one of these five free lesson plans to help students get hands-on with physics.
Teach Forces and Motion with 5 Free experiments
Teaching elementary and middle school students about forces, motion, energy, and Newton's laws is an important part of standards-based science curriculum. At Science Buddies, we know that getting kids hands-on with these concepts can be a powerful way to help them…
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March 13, 2024 8:00 AM
Use these free science lessons, experiments, and activities to teach K-12 students about density.
Sometimes students wrongly think that an object's density is the same as its weight or its mass. Instead, density refers to an object's mass in a given volume. Two objects that have the same shape and size (volume) but have a different mass (like two same-sized balls with different weights) have different densities.
As a physical property of…
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October 9, 2023 8:00 AM
Use these free chemistry lesson plans, experiments, and activities to teach and explore chemical reactions with K-12 students.
A chemical reaction occurs when two or more substances (reactants) are mixed together and result in one or more new substances (products). When teaching about chemical reactions, educators show chemical reactions in action and, when possible, let students get hands-on exploring reactions. With classroom science experiments,…
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September 15, 2023 8:00 AM
Use these free STEM lesson plans, projects, and hands-on STEM activities to explore space science and the solar system with students.
These science projects, STEM activities and NGSS-aligned lesson plans help educators create hands-on learning opportunities to teach about space science, the solar system, and Mars, in the context of the Perseverance rover.
At the bottom of this resource, you will find a list of independent space science projects…
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