DNA Extraction from Strawberries Materials: Fresh strawberries Ziplock bag Dish soap Salt Water Rubbing alcohol (chilled) Coffee filter or cheesecloth Clear glass Goal / What They Will Learn: Understand basic DNA structure and how it can be extracted using simple chemistry. Expected Outcome: White, stringy DNA will become visible in the alcohol layer, showing how …
Dancing Raisins Science Project Objective Observe how gas bubbles can make raisins “dance” by demonstrating the principles of buoyancy and density. Materials Needed A clear glass or jar Soda water (carbonated water) or a combination of vinegar and baking soda A handful of raisins (fresh raisins work best) Spoon (if using vinegar and baking soda) …
Bacteria Growth Science Food can spoil right away if the environment is favorable for bacterial growth. If you want to teach kids about how bacteria grow and the importance of refrigeration, this is the science project to for you. What you need: Balloons 2 to 3 glass soda bottles Yeast How to do it: Get …
Talking to Plants Research shows that many people talk to their plants while watering them. These individuals believe that doing this can help plants grow. Even if there is no scientific proof that this is true, there is proof that some plants can communicate with each other with chemical signals. Vibrations can also travel in …
Food can spoil right away if the environment is favorable for bacterial growth. If you want to teach kids about how bacteria grow and the importance of refrigeration, this is the science project to for you. What you need: Balloons 2 to 3 glass soda bottles Yeast How to do it: Get the glass soda …
Yes, plants have DNA, too. Extracting it from a strawberry is a great way to appreciate the structure and appearance of DNA strands. This is a good way to recognize the genetic foundation of every organism. What you need: Skewer (sharpened pencil, toothpick, or fork) 2 teaspoons of water Paper towel (other options are wire …
Potatoes and Apples Did you know that about 75% of the perceived taste in our mouth comes from our sense of smell? The little taste buds on our tongues can detect whether or not a food is salty, sour, bitter, or sweet. It’s the tiny odor particles that travel to the olfactory receptors that give …
Yeast is a living organism, often used in baking. As you may know, it “breathes” once it is activated my warm water and sugar. Then, it is incorporated into the batter. When baked, the batter gives you soft, fluffy bread or cakes. The yeast gave the bread and cakes the air bubbles, making them soft …
Is animal saliva antiseptic? Stories about pioneers, travelers, or hunters who made it through their injuries because certain wild animals happened to lick their open wounds. Many cultures believe this. There is even a French saying, “Langue de chien, langue de médecin,” which translates to “A dog’s tongue is doctor’s tongue.” We’ve all heard that …
When you have too many seasonal fruits in your kitchen, you often want to taste them all at the same time. There are times when you pick a bunch of them and peel them all at the same time for convenient eating. Yet, have you ever thought that peeling the fruit removes its first layer …
