Tenth Grade Science Experiments (Page 69)

How Do Cats Respond to Bird Sound Recordings?

Science Fair Project Idea

Scientific Method

Cats are great house pets, but as every cat observer knows, they are also instinctive hunters. This experiment provides an interesting way to learn about cat behavior. You'll play bird call recordings for pet cats, and watch to see if the cat pays attention to the sound (by turning towards it) or ignores it. Will a pet cat distinguish between the calls of local birds vs. non-local birds? Read more

How Do Melting Polar Ice Caps Affect Sea Levels?

STEM Activity

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Have you ever noticed that if you leave an ice cube out on the kitchen counter and come back to check on it in a while, you find a puddle? The same thing happens to ice in nature — if the temperature gets warm enough, the ice melts. In this science activity, you will explore what happens to sea levels if the ice at the North Pole melts, or if the ice at the South Pole melts. Does melting ice at either cap contribute to a rise in sea levels? It is an especially important question for… Read more

How Do Roots Grow When the Direction of Gravity Changes?

Science Fair Project Idea

Scientific Method

You might not know it, but plants are able to sense their environment and actually respond appropriately. One of the key parameters that every plant must respond to is the direction of gravity: stems go up (opposite to the pull of gravity) and roots go down (in the same direction as the force of gravity). In this project, you will construct simple devices that hold several germinating seeds, which allow you to watch how growing rootlets respond as you rotate the devices, effectively altering… Read more

How Do Viruses React To Soap?

STEM Activity

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Have you ever wondered why we wash our hands with water and soap to get rid of bacteria and viruses? Good hand hygiene becomes especially important during viral outbreaks such as the COVID-19 pandemic! The CDC (Center for Disease Control) recommendations for handwashing say to scrub your hands for at least 20 seconds with water and soap. But how does soap kill viruses such as SARS-COV-2? In this activity, you will find out by experimenting with models of different virus types to see how they… Read more

How Do You Get Heat from a Supercooled Solution? Explore the Chemistry Within Hand Warmers

Science Fair Project Idea

Scientific Method

You're at the high school football game and it's getting pretty chilly as the sun goes down. You're determined to keep cheering for your team, but your hands are freezing—have you ever tried hand warmers? The chemistry within these little packets is pretty cool. Hand warmers provide a unique and fun way to study the chemistry of crystal formation and heat generation. By pressing a button in a pouch, which contains a supercooled solution, you start a rapid exothermic (heat-producing)… Read more

How Do You Make the 'Best' Cookie?

Science Fair Project Idea

Scientific Method

Have you ever bitten in to a cookie and thought, "this is the best cookie in the whole wide world!"? Was it one you made at home? In this science fair project, discover if you can perfect the taste of your favorite cookie right in your own kitchen! Read more

How Do You Protect Spacecraft from Space Debris?

Science Fair Project Idea

Scientific Method

You might not think a chip of paint could cause a lot of damage, but what if it is traveling 18,000 miles per hour? That is the reality astronauts face on the International Space Station (ISS). Learn how engineers protect the ISS from space debris in this fun science project as you build your own model spacecraft shield and conduct your own impact tests! Read more

How Does a Chick Breathe Inside Its Shell?

Science Fair Project Idea

Scientific Method

Have you ever wondered how a chick breathes inside its shell? Every animal needs oxygen to survive, so the chick must get air somehow! Try this science project to discover the answer. Read more

How Does a Wind Meter Work?

STEM Activity

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Have you ever wondered how wind is made? Wind is caused by a difference in air pressure. Air travels from areas of higher pressure to places where there is less pressure. And just as air flows out of the high-pressure inside an inflated balloon if the opening is not tied, air in the atmosphere will move to a lower pressure area, creating wind. The speed of that wind can be measured using a tool called an anemometer. An anemometer looks like a weather vane, but instead of measuring which… Read more

How Does Solar Cell Output Vary with Incident Light Intensity?

Science Fair Project Idea

Scientific Method

Solar cells are an alternative method for generating electricity directly from sunlight. With this project, you can get down to the atomic level and learn about the world of solid-state electronics as you investigate how solar cells work. Your experiment will measure the effect of changing light intensity on power output from the solar cell. A possible variation would be to investigate the effect of changing the color of the light. Read more

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