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Hipervinculo Biología
Pine cones, fir cones, spruce cones: if you live in a cool climate, you’ll see these seed-bearing structures all over the parks and the roads.Why do trees make cones? They’re the places where trees ma ...
Hipervinculo Biología
Red ones, yellow ones, orange ones too—who likes tomatoes? If you’d like to grow more tomatoes, what can you do?Does removing the lower stems of a tomato plant increase the number of tomatoes that you ...
Hipervinculo Biología
Have you ever wondered how some plants can grow in warm, humidity-soaked jungles while other plants thrive in cool, crisp mountain settings? Maybe temperature doesn't affect plants, or maybe some plan ...
Hipervinculo Biología
Snow might look like a big, fluffy pillow, but it’s heavy! How do coniferous and deciduous trees handle the weight of snow?In this experiment, you’ll build two trees and see which one handles the snow ...
Hipervinculo Biología
What do plants need to grow? In this experiment, you’ll explore one of the most important factors affecting seed germination by finding out whether the amount of water a seed receives changes how quic ...
Hipervinculo Biología
Do plants sweat? Not quite, but they do lose water. Track down the missing mass in this experiment by learning how plants lose water to the air through transpiration.How much water can a plant lose th ...
Hipervinculo Biología
Deserts are hot and full of sand, camels, and cacti, right? Not always! In this experiment, you’ll learn how some of the world’s toughest plants survive in cold deserts.How can a desert be cold? A des ...
Hipervinculo Ciencias de la Tierra y Medioambiente
Moisture is tricky. It likes to escape out of tiny holes in a process called evaporation. Plastic wrap is supposed to keep food fresh in the fridge. If you have fruit you would like to save, you proba ...
Hipervinculo Química
Cleaning can be a chore, but not with this sudsy experiment! Get excited for scrubbing with a project that lets you mix and create your very own soap. Do you think you're enough of a chemistry whiz to ...
What is the best way to make DIY compost? Can you help your compost turn into soil more quickly?Does adding air to a compost bin helpfruit and vegetable scraps turn into compost more quickly?It is an ...
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