and try to find out the quality of the water. They also analyze (分析) what affects the water quality... as volunteers to examine the water quality. With the help of the government, students can get free test kits ……

CELL phones could soon be out of a job. Google’s new super-cool glasses allow you to surf... the mouse on the screen. The glasses also have a camera and GPS mapping system which deliver instant ……

Drinking water should be pure, clean, safe, and healthy. However, a recent study showed that many US citizens aren’t satisfied with the quality of their drinking water. ……

Drinking water should be pure, clean, safe, and healthy. However, a recent study showed that many US citizens aren’t satisfied with the quality of their drinking water. ……

is of a high quality, so there is little difference in taste between tap and bottled water.Most UK campuses... bottled still water from all their bars, cafes and shops according to report from the Guardian last week ……

you do this, we picked out some fun and useful apps so you can keep up your healthy habits. Check them out!Editor’s note: We here at TEENS want you to stay sharp during your summer vacation ……

during summer vacation. Here, TEENS has picked out some of our favorite mobile apps so you can keep... during summer vacation. Here, TEENS has picked out some of our favorite mobile apps so you can keep ……

?On December 12, Chinese scientists first used a water-land vehicle.It is called Xibeihu. It can move across different surfaces, including water, at a top speed of 60 kilometers an hour. It can climb a 30 ……

about the red planet - Mars (火星)? Man could soon find out.After 200 days of travelling more than 460... months to reach its destination. In late January, it will settle into a final, round mapping orbit ……

water is subject to 106 national standards, but bottled water only has to meet 20. The quality... themselves.Before the new national standards are rolled out, standards for testing bottled water must ……

on how much water their families use. Find out whether some of these families waste water and how others save water.2. Go to local rivers, streams or other bodies of water to monitor their water quality. ……

(样本). They bring the samples to labs and try to find the quality of the water.3). They analyze the water quality and write their findings in a report.2. Plants and animals observer:Next time you walk ……

(样本). They bring the samples to labs and try to find the quality of the water.3). They analyze the water quality and write their findings in a report.2. Plants and animals observer:Next time you walk ……

(样本). They bring the samples to labs and try to find the quality of the water.3). They analyze the water quality and write their findings in a report.2. Plants and animals observer:Next time you walk ……

their families use. Find out whether some of these families waste water and how others save water.2. Go to local rivers, streams or other bodies of water to monitor their water quality. ……