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Fifth Grade Science Experiments (top 2,000 results)

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Calling It Quits: What Is the Most Effective Way to Quit Smoking?
Science Fair Project Idea
Scientific Method
Maybe you know someone who smokes, and you want to help them to quit. They've probably already told you how hard it is to stop once a person has started smoking. This project tries to answer the question: What is the most effective way to stop smoking? Read more
Camera 'Shakes'
Science Fair Project Idea
Scientific Method
You can compare the picture quality for photos taken at different shutter speeds with the camera handheld vs. with the camera on a tripod. (This is best done with a camera that has manual exposure control.) Read more
Camouflage Science: Weekly Science Project Idea and Home Science Activity Spotlight
Blog Post
In this week's spotlight: a pair of zoology science projects that let students and families explore how some animals use camouflage so they can better blend in with their surroundings. Does camouflage really make a difference when it comes to the relationship between predators and their prey? Give it a try in fun hands-on science activity using M&M® and Skittles® candies. If you are a hungry predator trying to grab a specific color of M&M, how hard will it be to find your… Read more
Can Copper Foil Snails?
Science Fair Project Idea
Scientific Method
If you have a garden, you probably know about snails (or their shell-less relatives, slugs). You may even be looking for a good way to keep them from getting into your garden and eating up the results of all your hard work. In this science project, you will take a scientific look at one method of discouraging this garden pest. Read more
Can Garlic Prevent Crown Gall?
Science Fair Project Idea
Scientific Method
Crown gall is a plant disease caused by the soil bacterium Agrobacterium tumefaciens. This project uses tomato plants to investigate whether garlic extract can prevent crown gall infection. Read more
Can Mulch Reduce Garden Water Requirements?
Science Fair Project Idea
Scientific Method
Divide a part of your garden into two equal plots, with each plot receiving equal amounts of sun. Cover one plot with two inches of organic mulch, such as compost or ground bark. Leave the other plot uncovered. Use the same amount of water for each plot for two or three weeks. At the beginning of the experiment, and at one-week intervals, dig down and check the soil in each plot for moisture content. Which plot holds water better? Which plot shows better plant growth? (McCausland, 2006) Read more
Can you spot the dot?
STEM Activity
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
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