Apples and oranges are both fruits, which means that they have seeds inside of them. Each has a skin, but orange skins are thick and easy to peel. Apple skins are thinner and do not peel easily. Oranges also contain more acid than apples, but both fruits are delicious.

Many people think that they can get sick by going into cold weather improperly dressed; however, illnesses are not caused by temperature- they are caused by germs. So while shivering outside in the cold probably won't strengthen your immune system, you're more likely to contract an illness indoors because you will have a greater exposure to germs.

Heavy rains can cause flooding in small streams. For weather forecasters and local authorities, this flooding can be difficult to predict. Fortunately, the United States Geological Survey (USGS) has more than 7,000 streamgages that measure water flow. These streamgages help scientists to monitor water levels in good and bad weather.