Twelfth Grade Science Experiments (Page 194)

Saucy Science: Exploring the Science of Marinades

STEM Activity

Have you ever tasted a delicious burger and wondered how it got so much flavor? Maybe you have heard your family talk about marinating foods before cooking or grilling them. A marinade is a mixture of seasonings used to flavor or tenderize food. Most cooks have strong opinions about the best way to marinate their favorite food, be it a large steak or a tofu burger. In this activity, you will do a test to see what factors might be most important in making a marinade stick to the surface of food.… Read more

Save a Life! Teach Hands-Only™ CPR

Science Fair Project Idea

Scientific Method

What would you do if you saw one of your friends lying on the floor, not breathing, possibly having a heart attack? Call 911? Start CPR (cardiopulmonary resuscitation)? Those would both be important things to do! But do you know CPR? Do your friends and family know CPR? Chances are, most of them don't. Even if they do know CPR, they might be hesitant to use their mouths to perform it. You can change that though. In this science project, you'll create a simple, interactive game that can teach… Read more

Scale Models

Science Fair Project Idea

Scientific Method

Many industries rely on scale models to develop new products and designs. Architects, industrial designers, artists, clothing designers, and car manufacturers all use scale models. Each model is built to a scale that relates the actual object to the model through a ratio. Can you determine a formula for constructing a scale model? You can use your formula to make a model of your house, school, neighborhood, or town (CUBE, 2002). You can make scale models of the Wright Brothers aircraft… Read more

Scentsational Memories

STEM Activity

Did you know that approximately 2 million people in the United States have no sense of smell? Lack of smell is a disorder known as anosmia, and can be caused by damage to the nerves that transmit information from your nose to your brain. Our sense of smell serves an important purpose, we use it to distinguish between edible and inedible items in our lives, including fresh or rotten foods, and even particular toxins that have strong, unpleasant smells. In this activity you will test the scent… Read more

Science Activities: Fun Science Perfect for Home or School

Blog Post

Science Buddies has added a new "activities" section to its award-winning science education website. The new science activities complement the existing library of science fair project ideas but bridge the gap between science "assignment" or "independent project" and doing science just for fun at home or in the classroom. These new activities appear just as summer break begins for many students, making the timing perfect for families looking to keep kids engaged with science all summer… Read more

Science Project Success Story: Making paper speakers after school

Blog Post

For this dedicated after-school educator, science activities from Science Buddies are a great fit for fun and engaging science exploration that doesn't feel like school. Over the last few months, she's done a number of activities from Science Buddies, including a creative science project with circuits and magnets that lets students make their own working speakers or headphones! Paper speakers science project combines magnets and circuits - and works! Above: Using… Read more

Science with a Smartphone: Accelerometer

STEM Activity

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Have you ever played a video game with a controller that used motion controls? Do you ever wonder how sometimes your phone seems to “know” that you’re moving? How do these electronic devices measure your motion? Try this activity to find out! Read more

Science With Your Smartphone : Decibel Meter

STEM Activity

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Did you know that you can use your phone as a scientific instrument to explore the world around you? Your phone contains tons of built-in electronic sensors that can measure things like sound, light, motion, and more! In this project you’ll use your phone’s microphone to examine the loudness of different sounds in your environment. How quiet is a library? How loud is that truck roaring by? Try this activity to find out! Read more

Sci-Fi Science: Attack of the Killer Cabbage Clones

STEM Activity

Around St. Patrick’s Day the color green seems to be everywhere, from hats to shamrocks and much more in between. For this St. Patrick’s Day, you could show off your own green creation… by cloning a plant! Many Sci-Fi tales of cloned organisms have been based upon the scientific method for cloning animals or plants. In the real world, the cloning of plants is a common method used in modern agriculture. How do you clone a plant? In this activity,… Read more

Scrumptious Science: How Much Baking Powder Does Cornbread Need?

STEM Activity

Have you ever wondered about the purpose of each of the ingredients in your favorite recipes? For example, why is baking powder used in some muffin recipes? How does the baking powder affect how the muffins look, feel and taste? In this science activity, you will use a scientific method to make some cornbread muffins to find out. And then you can decide on the best recipe to use if you want to make some cornbread for New Year’s Day, which is part of a Southern tradition where the… Read more

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