Tenth Grade Science Experiments (Page 169)

Can Water Plants Be Used to Determine Water Quality?

Science Fair Project Idea

Scientific Method

Some plants grow only in water-logged environments. These plants are usually native to wetlands and are important for the sustainability of aquatic ecosystems. Wetland ecosystems are very fragile and susceptible to the toxic dumping of sewage and fertilizer run-off from neighboring farm land. One very common aquatic plant called duckweed inhabits many wetland marshes. Duckweed grows by asexual reproduction and floats at the surface of the water with tiny roots extending into the water below.… Read more

Can you spot the dot?

STEM Activity

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Have you ever wanted to make something disappear (maybe your homework!)? In this activity we will take advantage of the way your eyes and your brain talk to each other, to make colored dots seem to appear and disappear (sorry, it probably won’t work on your homework)! Read more

Candy Confusion: Can Small Children Mistake Medicine for Candy?

Science Fair Project Idea

Scientific Method

Many medicines come in bottles with special child-proof caps so that small children can't accidentally open the bottle and eat the pills. To a small child who can't read the label, the pills might look just like candy. What cues do we use to tell the difference between medicine and candy? At what age can we tell them apart? This project can show you how to find out. Read more

Candy Corn Geodesic Dome

Blog Post

A classic science (and geometry) project takes on Halloween tones with candy corn-colored candies, a few ordinary toothpicks, and a bunch of triangles. We are big fans in my house of the geodesic dome. We initially tried a bigger-than-expected version made from straws a few years ago. We had a great time putting it together—but it would not fit through the front door! Making a small-scale geodesic dome from gummy candies is a much easier and… Read more

Candy Experiments: Doing Fun Science at Home during School Closures (Activity #23)

Blog Post

Follow along with a Science Buddies parent who is using family STEM activities to keep her kids learning at home during the COVID-19 school shutdown. New posts every Monday, Wednesday, and Friday. Today's adventure... experimenting with how candy coatings dissolve and the colors mix. An Experiment Full of Candy Makes the Whining Go Down Have you experienced a day during this quarantine when the whole family just seems to hit a wall? Everyone is… Read more

Capable Carbon Filters

STEM Activity

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Do you filter your tap water before drinking? Maybe at home you have a water filter on your faucet, in the fridge, or use special pitchers that have a filter unit in them. You have probably heard in commercials that these filters are supposed to make your water cleaner and safer to drink. But have you ever wondered what, exactly, these filters are doing and if the water is really cleaner in the end? Find out about the cleaning power of water filters in this activity; but for results you can… Read more

Carbon Filters and Adsorbing Science

Blog Post

Explore the science behind a carbon filter with a fun hands-on family STEM activity. Now you see the color... and now you don't! Water filters that use activated carbon can help "clean" water. You might be able to see the difference the filter makes, but not always. In this week's family science activity, families can explore the way these filters work with a colorful hands-on project that makes stripping the color from a sports drink or colored soda… Read more

CD Burning: Take it to the Edge

Science Fair Project Idea

Scientific Method

Did you know that you can tell how much information is on a CD-R without even using a computer? Find out how in this "reflective" experiment. Read more

Celebrate Engineers Week with 15+ Hands-on STEM Projects

Blog Post

Science Buddies has great ideas for engineering projects and activities you can do with your students to celebrate Engineers Week. With the right project, integrating a hands-on STEM activity is something all teachers can do! Marble Machine Art Bot: Build a Wobbly Robot That Creates Art Balloon-Powered Car Challenge Build a Gumdrop Geodesic Dome Milk Does Your Body and a Boat Good—Design Your… Read more

Center of a Shape Science

Blog Post

In this family STEM activity, students experiment with a simple technique that can help them determine the center of a shape. Grab some paperclips and string to explore! In this week's family science activity, students learn how to find the "middle" or "center" of a two-dimensional shape. It can be easy to locate the center of a symmetrical shape like a circle or a square, but finding the middle of an irregular shape can seem tricky. With a bit of science, kids can pinpoint the center of any… Read more

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