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Second Grade Science Projects (79 results)

Science Buddies' second grade science projects are the perfect way for second grade students to have fun exploring science, technology, engineering, and math (STEM). Our second grade projects are written and tested by scientists and are specifically created for use by students in the second 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, second 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.

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Science Buddies Original
Science Fair Project Idea
How do astronomers collect stardust? They design and build satellites that are launched into space to collect particles on specially designed panels. Satellites can be sent to orbit around an object of interest: a planet, moon, or comet. In this experiment, you can build your own mini satellite and use it to collect some pretend stellar debris. If you simulate an asteroid impact, how much stellar dust will your satellite collect? Will placing your satellite at different "orbital" distances from… Read more
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- Less Details
Time Required Very Short (≤ 1 day)
Tinkering
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Science Buddies Original
Science Fair Project Idea
What keeps you in your seat of a giant loop-de-loop roller coaster? Surprisingly, it is not the seatbelt but the seat! It works because of something called centripetal force and it does much more than make a great roller coaster. It keeps a satellite in orbit and you in your bicycle seat during a turn. How does it work? Read more
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- Less Details
Time Required Short (2-5 days)
Tinkering
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety Adult supervision is required for making the JELL-O. Be careful when working with the boiling water.
Science Buddies Original
Science Fair Project Idea
Do you have a favorite picture? When you have a photo that you treasure, you want it to look as good as possible. Find out how the resolution of a digital photo effects the way it looks when you print it out. How does the quality of the image relate to the resolution? Read more
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- Less Details
Time Required Very Short (≤ 1 day)
Tinkering
Prerequisites Computer skills
Material Availability Requires photo editing software, a digital photo, and a color printer.
Cost Average ($50 - $100)
Safety Requires adult supervision
Science Buddies Original
Science Fair Project Idea
What is your favorite color and why? Do you think that simple tasks might be biased by your preferences? Find out in this science project if your color preferences will bias your fine motor skills when doing quick, repetitive tasks. Read more
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- Less Details
Time Required Very Short (≤ 1 day)
Tinkering
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Science Buddies Original
Science Fair Project Idea
If you developed a super-sour candy, drink, or dessert, to whom would you sell it? Do people of all ages love sour, or is there a difference between the sour preferences of kids and adults? In this mouth-puckering science project, you will find out by making batches of lemonade that vary in their sourness and have volunteers taste them! Read more
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- Less Details
Time Required Short (2-5 days)
Tinkering
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Science Buddies Original
Science Fair Project Idea
Does green apple juice taste the same as red apple juice? That might seem like a silly question. Food coloring does not have any flavor—so how could it change how something tastes? Find out whether it does in this food science project! Read more
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- Less Details
Time Required Very Short (≤ 1 day)
Tinkering
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Science Buddies Original
Science Fair Project Idea
All living things have DNA inside their cells. How do scientists extract the DNA from cells in order to study it? In this science experiment you can make your own DNA extraction kit from household chemicals and use it to extract DNA from strawberries. Read more
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- Less Details
Time Required Very Short (≤ 1 day)
Tinkering
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Science Buddies Original
Science Fair Project Idea
Do ants sometimes ruin your picnic? There are some chemical ant repellents you can spray to keep them away, but who wants to spray poison all over their food? In this science project you can investigate some less toxic solutions that may be around your home so that your next picnic will not become an ant buffet! Read more
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- Less Details
Time Required Very Short (≤ 1 day)
Tinkering
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety If using commercial ant repellents, please use caution and read all safety information provided by the manufacturer. Be careful when working with ants—some can sting and bite!
Science Buddies Original
Science Fair Project Idea
Have you ever dyed eggs? Turning eggshells from white into different, dazzling colors can be a lot of fun! To do this, most people buy dye tablets to make different colors in a liquid bath. They then dip the egg into the liquid and wait till it turns the desired color. You can dye eggs in many other ways, and one neat method uses silk ties. Sounds strange to use clothing to dye eggs, right? But it actually works really well! In this science project, you will dye eggs with old or used… Read more
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- Less Details
Time Required Very Short (≤ 1 day)
Tinkering
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety Adult supervision is recommended when using scissors and required for using the stove. A well-ventilated stove area, or dust masks, are needed to avoid breathing in vinegar and dye fumes. Do not eat the eggs after dyeing them.
Science Buddies Original
Science Fair Project Idea
Have any of your friends or family members ever had an allergic reaction to eggs? In this science project idea, you'll investigate how to modify recipes so that even egg-allergic friends and family members can enjoy them. Read more
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- Less Details
Time Required Long (2-4 weeks)
Tinkering
Prerequisites None
Material Availability Readily available
Cost Low ($20 - $50)
Safety Adult supervision required when using the oven, stove, blender, or chopping ingredients.
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