Sixth Grade Science Experiments (Page 126)

Social Media: When and Where Do People Post?

Science Fair Project Idea

Scientific Method

Social media is all the buzz on the internet. What can we do with all the information generated by millions of people posting, tweeting, taking pictures, and chatting? How do companies convert it into profit? While you do not have the tools to analyze data from millions of social media posts by yourself, you will be able to analyze a scaled-down version. Follow the instructions in this project to try your hand at extracting data from a couple of social media sites and use it to create… Read more

Soil Compaction

Science Fair Project Idea

Scientific Method

Have you ever had to dig a hole in really hard soil? It is a lot of work! In this science project you can make an instrument to test the soil and find out how compacted it is, before you dig! Read more

Soil Science: Study Microorganisms in Winogradsky Columns

STEM Activity

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Our planet recycles and reuses everything on it that is needed to support life. It is an amazing, giant recycling system called the biogeochemical cycle. You can actually model this on a small scale by using a plastic bottle and mud to build what is called a Winogradsky column. In this activity, you will build your own Winogradsky columns and investigate how including different nutrients can affect which soil microorganisms flourish and which fail. Read more

Solar Speedway

Science Fair Project Idea

Scientific Method

Solar power is hot these days. Gleaming, black solar panels soak up rays on more and more rooftops of homes and businesses providing a clean, alternative source of heat and electricity. You might guess that different times of the day yield different levels of solar power. But just how much does the sun's position in the sky affect the power that solar cells and panels can generate? That's the question this project is all about. Read more

Solar-Powered Salt Removal

Science Fair Project Idea

Scientific Method

Have you ever thought about being stranded on a desert island? How would you find water to drink? What would you need to survive? In this science fair project you'll discover how to turn the ocean into a source of freshwater by using the power of the Sun. Read more

Solidifying Science: Which Fruits Can Ruin Your Gelatin Dessert?

STEM Activity

Have you ever noticed that if you’re making a gelatin dessert, like JELL-O, it’s not recommended to use certain fruits, like pineapple? Why is this? It’s because these fruits may prevent the gelatin from solidifying. In this activity you’ll get to determine if certain enzymes in some fruits are preventing the gelatin from solidifying, and whether there’s a way to still include these fruits without ruining your gelatin dessert! Read more

Sorbent Science: Cleaning Up Oil Spills

STEM Activity

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Have you ever seen news coverage or other pictures of an oil spill in the ocean and wondered how all of that oil could be cleaned up? Oil spills can devastate wildlife by covering them with oil, and they can damage our precious water resources by contaminating them with oil. Part of the problem of managing oil spills is that the oil can be challenging to clean up. In this science activity, you can test the absorptivity of different materials (called sorbents) to discover which ones are best at… Read more

Space Elevator Problem Set

STEM Activity

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Space elevators zipping people and materials up into space might seem like a very futuristic and improbable idea, but is it that difficult? This activity will guide you through the mathematics. Try it out and see what is possible with materials that can be produced with current technology. Read more

Space Radiation Protection

Science Fair Project Idea

Engineering Design Process

The radiation sources recommended in this experiment are low-dose radioactive sources and do not require a license to purchase; they are safe to work with as long as these common-sense safety tips are followed: Wear disposable gloves when handling any radioactive source. Never rub your eyes or mouth while you are handling the radioactive source. NEVER swallow any radioactive source and use protective glasses when bringing a source within a few inches of… Read more

Spinning Colors: How Do Primary Colors Combine to Make New Colors?

Science Fair Project Idea

Scientific Method

Did you know that sunlight can actually be separated into the colors of the rainbow? And the light of different colors can be added together to make white light or new colors. This is an area of study where art and science overlap. In this science fair project, you will explore this area by drawing or painting "pie slices" onto a white circle and then combining them to make a new color by spinning the wheel using an electric drill. Read more

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