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timeanddate Powers of ten Welcome to Powers of Ten. Travel across the Universe. Changing scale by just a few powers of ten dramatically alters your perspective. Start What is a Power of Ten? Credits Math in Daily Life When you buy a car, follow a recipe, or decorate your home, you're using math principles. People have been using these same principles for thousands of years, across countries and continents. Whether you're sailing a boat off the coast of Japan or building a house in Peru, you're using math to get things done. How can math be so universal? Join us as we explore how math can help us in our daily lives. Ready to get started? stemNRICH - Core Biologists are increasingly using mathematical tools to aid in research. These problems explore different biological contexts where maths has an important contribution to make. Bird Watch Stage: 2 and 3 Challenge Level: Do you know which birds are regular visitors where you live? Terrariums Stage: 3 Challenge Level: Build a mini eco-system, and collect and interpret data on how well the plants grow under different conditions. Food Web Is this eco-system sustainable? Food Chains When a habitat changes, what happens to the food chain? Counting Dolphins Stage: 4 Challenge Level: How would you go about estimating populations of dolphins? Investigating Epidemics Stage: 3 and 4 Challenge Level: Simple models which help us to investigate how epidemics grow and die out. Solving the Genome Puzzle

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