W: It"s measured in calories. The calorie is defined as the heat energy needed to raise the temperature of 1 kilogram of water from 14.5 degrees centigrade to 15.5 degrees centigrade.Q: What does the woman define?(16) A. The kilogram. B. The energy content. C. Heat energy of water....
先由“Her-bivores get their energy from the plants.”可知“食草动物从植物获取能量”,再由“Herbi-vores are animals like cows and elephants.”可知“奶牛属于食草动物,奶牛是通过吃草获取能量的”,故此题正确。5. 学生答此题时可以根据关键信息推测词义,并判断正误。
Food chains (食物链) show how energy (能量) moves. When something eats something else, energy moves. We need food energy to play and learn. How do plants and animals get their energy? All food chains start with the sun. The sun feeds plants. Plants make their own food using the sun,...
【题文】Energy goes from one plant or animal to another. A food chain shows how this energy moves. Each time an animal gets eaten, its energy is passed onto the animal that eats it. The food chain is very important because it keeps the balance of nature. If one part of the food cha...
15.Energy is a balance between food and physical activity.The energy from the food we eat is influenced by the amount and type of food we choose.The energy we give out is determined by how physically active we are.Overweight is a result of imbalance between the energy we are eating and ...
I have a close friend. His name is Wang Yanxiang. He is 130 centimeters tall in the first grade this year. He's sometimes sleepy, sometimes full of energy, which makes me like him. 我为什么喜欢他呢?有一件事,至今还记忆犹新,那我就和你一起来分享吧!
How addressing energy used in food processing contributes to more sustainable agricultureNoelie Demaegdt
Food waste is a growing problem in Canada and many other parts of the world—and it is only expected to get worse in the coming years. The world population is expected to grow to 9.7 billion by 2050, alongside global food ...
A solar oven uses energy from the sun to heat and cook food. How does a solar oven work? The simple answer is that it absorbs more heat than it releases. Our DIY solar oven below is made of a pizza box, aluminum foil, plastic wrap, and a sheet of black paper. ...
energy to stay alive and grow, and they get it from sunlight instead of food.How does a plant grow?Most animals grow in a certain way, and genes control their growth. That is to say, even when they are small, it's easy to know what they will look like after they grow up. Plants...