By Harriet Brown
Know about how vegetation stay and develop with actual international examples of technological know-how at paintings. comprises full-color photos and fabric in line with NSTA nationwide technology criteria.
Read Online or Download Food from the Sun: How Plants Live and Grow (Let's Explore Science) PDF
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Additional info for Food from the Sun: How Plants Live and Grow (Let's Explore Science)
Example text
They are seeds that float on water. If coconuts fall on a beach, the sea may carry them away. They can survive in the water for many weeks. Eventually, they might wash up on another beach. There they can grow into a new coconut tree. SLEEPY SEEDS This seed is hooked onto a mammal’s fur. Eventually it will drop off and it may grow into a new plant. 30 Seeds must have the right conditions to grow into a new plant. Until they do, they can lie inactive, or dormant, for many years. Being dormant is like being in a long sleep.
This produces carbon dioxide. The carbon dioxide goes into the atmosphere. 40 Today, there is too much carbon dioxide in the atmosphere. It is trapping too much heat. This causes our planet to warm up. This is global warming. What is Climate Change? Our climate is changing because of global warming. The climate is the average weather in a particular place over a long period of time. For example, the climate of a desert is hot and dry. The climate of the North Pole is very cold. Global warming is heating up the Earth.
For example, the climate of a desert is hot and dry. The climate of the North Pole is very cold. Global warming is heating up the Earth. This is changing the climates of planet Earth. 41 Why is Climate Change a Problem? How Do Plants Affect Climate Change? As Earth becomes warmer, ice at the North and South Poles will melt. This could flood huge areas of land. Warmer temperatures could kill many species of plants and animals. They may be unable to adapt quickly enough to the new conditions. Climate change may also cause more violent weather, such as hurricanes.