Fifth Grade Science Experiments (Page 191)

Explore the Science Behind Self-Driving Cars

Blog Post

Use these free STEM lessons and activities to help K-12 students think about and experiment with designing and training self-driving cars and autonomous vehicles. Teach About Self-Driving Cars Once thought of as something only in science fiction or the future, technologies that support self-driving cars and autonomous vehicles are in development. While fully autonomous vehicles are not yet mainstream, the number of cars being produced with… Read more

Exploring Bridge Beams with Spaghetti

Blog Post

How do engineers ensure that bridges and other structures can support weight properly so that they don't collapse? In this week's materials science-themed family science activity, families can use uncooked spaghetti noodles to explore the forces that come into play when weight is applied to a beam. What happens when the spaghetti bends in response to weight? If the noodles break, where do they break? Was the breakage the result of compression or tension? Does using more pieces of… Read more

Exploring Surface Tension: Doing Fun Science at Home during School Closures (Activity #18)

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... exploring surface tension by making wire water striders. A Spill Leads to Exploring Surface Tension What happens when you put a freshly laundered tablecloth on the table? Well, in my house, it immediately triples the chance that someone… Read more

Factors that Affect the Transfer of Force through Saturated Soil

Science Fair Project Idea

Scientific Method

Soil liquefaction is a phenomenon where soil that is saturated with water suddenly loses its strength and behaves like a liquid. This usually occurs due to sudden, large stresses on the soil — for example, from an earthquake. This can be very dangerous for buildings sitting on top of the soil, as they can suddenly sink into the ground! The embedded video explains soil liquefaction in more detail. Is there a way to prevent soil liquefaction? Do you think adding certain materials to… Read more

Feel Free to Sleep at School... If You're a Computer!

Science Fair Project Idea

Scientific Method

Sleeping in class isn't allowed... unless you're a computer! In fact, the Environmental Protection Agency (EPA) suggests that putting your school's computers to sleep when they're not in use might reduce a school's energy bill significantly. In a study done at the North Thurston public schools in Olympia, Washington, EPA officials worked with the district to cut computer energy and costs by approximately $45,000 annually! How? By implementing a variety of power-management strategies for the… Read more

Fighting Litter in Your Neighborhood

Science Fair Project Idea

Scientific Method

Is there a public park, playground, or beach near you that suffers from a litter problem? Here is a way that you can do something about it! First, get a measure of the size of the problem by conducting a litter survey. Select a fraction of the area to survey at regular intervals (e.g., every two or three days, or maybe once a week). The area should be large enough so that you can get a representative sample of litter, but not so large that you can't clean it up. Each time you conduct your… Read more

Find Fun STEM Activities to Fit Science Needs

Blog Post

Quickly find free science activities for use with students at home! Science Buddies has more than 200 free science activities for kids. These activities are short-term science and engineering explorations especially designed for use at home, in the classroom, or for programs at libraries, camps, or afterschool. Science Buddies' resources are always free, but during the current widespread school closure due to the COVID-19 pandemic, the free library… Read more

Find Out Why the Ocean is in Motion!

STEM Activity

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You probably know that water never stays still. But did you know that there is something called the global “ocean conveyor belt” that moves massive amounts of water from one ocean to another? These water currents are essential for mixing and transporting nutrients and oxygen, and play a critical role in our climate. This is because they move warm and cold water over very long distances, which affects the temperature of the landmasses that border the ocean. The Gulf Stream, for… Read more

Find the Missing Ingredient

STEM Activity

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Food advertisements and labels bombard us with enticing slogans and attractive images, luring us into consuming the food. But have you ever wondered how nutritious the food is? Have you ever looked at a nutrition facts label and wondered what the columns of words and numbers meant? This activity will shed some light on the label. You will explore serving sizes and nutrients, and might find a discrepancy. Why would the sum of the nutrients not always add up to the total? Like a detective,… Read more

Fish Markets and Sustainability

Science Fair Project Idea

Scientific Method

The sustainability of our ocean fisheries is a topic of concern for many, including environmentalists and fishermen who make their living on the bounty of the sea. It is important to use sustainable fishing practices so that our fisheries are not over-fished leading to a decline in productivity. Some states require fish markets to post information about their fish so that consumers can make informed decisions about which fish to buy. They post the type of fish (e.g., Coho Salmon), the source of… Read more

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