What happens Cold water is more dense(When you pour hot water密的) than hot water. So a cup onto a hard surface(表面),of cold water is just a little it splashes around more bit heavier than a cup of hot than the cold water because water.it's less dense.() I. Where can you ...
what's wrong? B. Was it interesting? C. How was your wee六、用所给单词的适当形式填空。 (5分)1. Mary is(smart) than her sister. She often gets "A" in the test.2. The girl's water bottle looks ___(heavy) than the boy's.3. Julie wanted(read) the new film magazine.4. -Di...
How are elements with nuclei heavier than those of hydrogen and helium formed? At which phase(s) of the moon do the highest and lowest tides occur? Water flows faster than honey. Why? Do magnets have any impact on water properties? Explain. ...
High-salinity water is heavier than low-salinity water, so when brine runs into surface waters it can sink to the bottom and form a barrier. This stops the natural exchange of nutrients and oxygen between the upper layers of the water column and the base. As a result, the environment can...
Of all the mountains, Mount Lingshi is the highest. It’s about 1,000 meters high. Few people in our village have climbed it. The rivers run quietly and the water in them is very clean. Shuiniu River is longer ...
(2)___.That is to say,their body feels eight times heavier than usual.This can feel bad.Tears run from their eyes and they cannot breathe (呼吸). Test 2: (3)___ Astronauts train(训练)by sitting on a fast-spinning(高速旋转的)chair or a big"swing"for 15 minutes.Sometimes,they ...
2.Yingtian is not as __tall___ (tall) as Yongxian.3.Almost all the students' faces are the same but Li Deming looks _fatter___ (fat) than before.4.Which is __heavier___ (heavy),a hen or a chicken?5.-- How ___tall___ (tall) is Sally?-- She' s 1.55 metres __tall_...
Salt is heavier than water, so when you pour salt on the oil,it sinks to the bottom of the mixture, carrying a blob of oil with it. In the water, the salt starts to dissolve. As it dissolves, the salt releases the oil, which floats back up to the top of the water. ...
This is even heavier than the Great Wall of China.()1. Which of the following is not e-waste? A. The bike. B. The computer. C. The mobile phone.()2. What is one of the effects of e-waste on the environment A. It can enrich soil. B. It can pollute soil and water. C. ...
Fish "breathe" the dissolved oxygen out of the water using theirgills. It turns out that extracting the oxygen is not very easy -- air has something like 20 times more oxygen in it than the same volume of water. Plus water is a lot heavier and thicker than air, so it takes a lot ...