Tenth Grade Science Experiments (Page 183)

Baking Soda Weight Loss

STEM Activity

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Baking soda is not only great for cooking; it is also a useful chemical for science projects. You have probably heard about and maybe even used the baking soda/vinegar reaction to make volcanos erupt, shoot bottle rockets up in the air, or to detect acids and bases. However, there are many more chemical reactions that you can explore with the help of baking soda. One of them is called a decomposition reaction, which makes baking soda lose weight! Want to find out how it works? Then try this… Read more

Balancing Act

STEM Activity

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What makes an object balanced? Look around you—most of the objects in the room are probably balanced and not on the verge of tipping over. If someone hands you an object and asks you to put it down, you probably know, without thinking about it too much, how to place it so it won't fall over. But what's the science behind how an object balances? Why do certain objects only balance on some sides and not others? Try this project to find out! Read more

Barometric Pressure and Weather

Science Fair Project Idea

Scientific Method

How does temperature change as barometric pressure changes? You can make a device to test this using a barometer and a thermometer on your stovetop. You can collect your own weather data from a barometer and thermometer over a period of a week or month. You can also use data from a weather station to plot the relationship between barometric pressure and temperature. Does the pressure change as humidity changes? Measure the pressure in a humid and non-humid environment (like your bathroom… Read more

Bat Detector: Listen to the Secret Sounds of Bats

Science Fair Project Idea

Scientific Method

Do you have bats in your neighborhood? Have you heard them "whoosh" by you, but not been able to see them? In this science fair project, you will be able to detect flying bats by listening in on the ultrasonic signals they produce to locate objects in their environment. The bat detector is a useful and fun tool for studying the biology of this nocturnal flying mammal. Read more

Bath Bombs Chemistry: Family Science Activity Spotlight

Blog Post

In this week's spotlight: a family science experiment that promises fizzy fun in the tub (or in a big bucket of hot water). Bath bombs are easy to make at home. You can mix up your own using your choice of additives with the core ingredients. But what makes a bath bomb "fizz" when it hits the water? In this science activity, students experiment with the recipe for making a bath bomb and investigate the role of corn starch and citric acid in the process. What is the… Read more

Battling Stains with Bleach

STEM Activity

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Have you ever wondered why your dirty clothes come out of the washing machine white and clean? What makes all the stains disappear? The answer to that question is bleach - an ingredient that is present in most laundry detergents. Bleach is responsible for the whitening effect that occurs during washing and removes most of the stains. But how does it work? In this science activity you will find out by making food color disappear with the power of bleach! Read more

Be Seen In the Dark

STEM Activity

Being outside in the evening can be relaxing as well as exciting and fun, but it could also be dangerous. Did you know that in 2014, on average, 13 pedestrians died on American roads every day and three out of every four pedestrian fatalities happened in poor light conditions, such as dusk, dawn, or at night? When considering these worrisome numbers, do you think the types of clothes worn could make a difference in how visible pedestrians are to drivers? If so, what should you wear: bright… Read more

Beaches and Sand Science Projects

Blog Post

Combine fun in the sand with hands-on science experiments and activities to learn more about beaches, sand, and preventing ocean pollution. STEM Experiments to Learn More About Beaches and Sand Heading to a local beach can be lots of fun. Whether you enjoy walking on the firm sand by the water's edge or playing in softer sand, beaches have plenty of sand to go around. But where does sand come from? What happens to sand when the tides move in and out?… Read more

Beats

Science Fair Project Idea

Scientific Method

Beats are a pattern of oscillating sound intensity (i.e., the volume of the pattern grows and fades with a regular cycle). They occur when two tones of almost equal frequency interfere. People can perceive beat frequencies below about 7 Hz. Figure out how to create sound files to play pure tones on your computer. Create files with a pure tone of one frequency in the left channel, and a pure tone of a different frequency in the right channel. Systematically explore different frequency… Read more

Binocular Vision Eye Science

Blog Post

In this family STEM activity, put your eyes to the test... alone and as a working unit! How do your eyes work together to help you see? Eye Science Your eyes help you see what is in front of you, but have you ever thought about how your eyes work together (with your brain) to make sense of what you see? We have two eyes, but together our brain processes a single image. How does this work? When you look through a pair of binoculars, you place each eye in front of one of the eye pieces.… Read more

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