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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
If you love to hit the half pipe with your snowboard or skateboard, then you have tested the strength and durability of laminates. Laminates are sandwiches of different materials that are glued together in layers to give strength and flexibility to an object. In this experiment, you can test if laminating wood can make it stronger and able to support a heavier load. How much weight can it take before it breaks? Read more
+ More Details
- Less Details
Time Required Short (2-5 days)
Tinkering
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety Requires adult supervision with glue and cutting wood.
Science Buddies Original
Science Fair Project Idea
Look out! When you walk on the grass, you are squishing millions of micro-invertebrates! Just kidding, these animals are too small to squish. Learn how to catch them by making a Berlese funnel in this fun project that will teach you about soil. Read more
+ More Details
- 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
Isn't it nice to take a nice, hot shower or bath after a long day of playing outside? But have you really thought about how the hot water in your shower or bath gets hot? Sure, the water heater in your house gets it hot, but what makes the water heater work? Water heaters are powered by natural gas or electricity. But are there any other ways to heat water? What about using the Sun? In this science fair project, you'll give it a try by capturing energy from the Sun to heat water. Read more
+ More Details
- Less Details
Time Required Short (2-5 days)
Tinkering
Prerequisites None
Material Availability Readily available
Cost Average ($40 - $80)
Safety Adult supervision is recommended when using scissors.
Science Buddies Original
Science Fair Project Idea
Do you like to watch outdated science fiction and cheesy horror movies? Many fictional tales of cloned organisms have been created based upon the scientific method for cloning animals or plants. In the real world, the cloning of plants is a common method used in modern farming. How do you clone a plant? In this science project you will get to find out by making your own cabbage clones! Read more
+ More Details
- Less Details
Time Required Average (6-10 days)
Tinkering
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety Adult supervision required for using a knife
Science Buddies Original
Science Fair Project Idea
Have you ever tried to pull out a nail out of wood with your bare hands? Or have you tried to shove a staple through a stack of papers without a stapler? A hammer's claw, a stapler, a pair of pliers and a shovel are each examples of everyday tools that use levers to make our work easier. Read more
+ More Details
- Less Details
Time Required Very Short (≤ 1 day)
Tinkering
Prerequisites Playground with a see-saw
Material Availability Readily available
Cost Very Low (under $20)
Safety Be careful getting on and off the see-saw!
Science Buddies Original
Science Fair Project Idea
Bridges are big and beautiful structures, but they also need to be safe for the people who cross over them every day. Building a bridge that is safe and secure is a challenge to civil engineers. But the job is even more challenging if you live in earthquake country! Find out how engineers are solving this problem as they build a new bridge over the San Francisco Bay in California. Try some of your own Bay Bridge designs. Will your bridge design take the shake of a quake? Read more
+ More Details
- 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
How can you make a train without wheels? By using magnets! In this project you will build a magnetic levitation ("maglev" for short) train that floats above a magnetic track. How much weight can you add to the train before it sinks down and touches the track? Read more
+ More Details
- Less Details
Time Required Very Short (≤ 1 day)
Tinkering
Prerequisites Attention to detail and patience are needed for this project. After building, you will need to make adjustments to get it working perfectly. The train floats above the tracks well once everything is lined up carefully.
Material Availability Specialty items required. See Materials list for details.
Cost Low ($20 - $50)
Safety Keep magnets away from small children and pets who might swallow them.
Science Buddies Original
Science Fair Project Idea
This experiment is for all the kids out there who love boiled cabbage! You say you do not like cabbage? Well maybe you will like this amazing color-changing liquid you can make with cabbage. Which solutions around your house can make the cabbage juice change color? Find out while you learn about acids and bases and how to test for them. Read more
+ More Details
- Less Details
Time Required Very Short (≤ 1 day)
Tinkering
Prerequisites none
Material Availability Readily available
Cost Very Low (under $20)
Safety Requires adult supervision—some household solutions can be poisonous when mixed together or swallowed.
Science Buddies Original
Science Fair Project Idea
Fuzzy things are often cute, but not when that fuzziness is mold on your strawberry—yuck! Companies look for natural, plant-based ways to protect the berries from mold when they are in the store, waiting for you to purchase them. Would washing them in aloe vera juice protect strawberries from mold? Do this project and find out! Read more
+ More Details
- Less Details
Time Required Average (6-10 days)
Tinkering
Prerequisites None
Material Availability Readily available.
Cost Low ($20 - $50)
Safety No issues.
Science Buddies Original
Science Fair Project Idea
Have you ever broken a candy bar in half to share with someone? Some might snap in half quite cleanly, but others might be gooey and flexible. If you stick a candy bar in the freezer, will this change how the materials break? Try this sweet project to find out! Read more
+ More Details
- Less Details
Time Required Very Short (≤ 1 day)
Tinkering
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
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Free science fair projects.