By Pamela Walker, Elaine Wood
Research of the elements and weather is helping scholars comprehend climatic conditions and the technology at the back of climate examine. Temperature, barometric strain, wind, and precipitation are only many of the forms of info many times gathered and analyzed by means of meteorologists. by way of learning climate, scholars can comprehend extra approximately what's going on the planet round them. they could additionally discover ways to savor the paintings that scientists positioned into collecting climate info and making exact predictions. "Weather and weather Experiments" bargains scholars the chance to hold out hands-on actions utilizing climate tools just like those utilized by specialists. via experimentation, scholars make hypotheses, gather and interpret info, draw conclusions, and percentage their info with others. The textual content includes 20 confirmed school room experiments that expand scholars' realizing of either technological know-how proof and the character of technology. applicable for either center and highschool periods, the investigations are relaxing and interesting.
Activities comprise investigations of the consequences of water's excessive warmth means on temperatures, around the world climate phenomena, and the degrees of 2 climate and weather elements which are impacted by means of human actions.
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Additional info for Weather and Climate Experiments (Facts on File Science Experiments)
Example text
Have you ever wondered why they do that? Adding salt to water can actually cause the boiling temperature to rise, which can essentially make your food cook faster in the boiling water. This phenomenon is known as 30 Weather and Climate experiments boiling point elevation. Water typically boils at 212 degrees Fahrenheit [°F] (100 degrees Celcius [°C]). When water boils, it is evaporating to form water vapor. In its pure liquid state, water cannot get any hotter than 212°F (100°C) without turning into vapor.
La Niña events, while not as well known as El Niño, can have equally drastic worldwide climate effects. The low ocean temperatures of La Niña generally last 9 to 12 months, but can persist for up to 2 years. Both El Niño and La Niña are part of what is known as the El Niño–Southern Oscillation, or ENSO. Although these events occur irregularly and cannot be predicted, they are occurring more frequently in recent years, which some scientists suggest may be attributed to global warming. 1/7/09 4. Modeling El Niño 25 Want to Know More?
2. Label the four balloons as A, B, C, and Control. 3. When filling the balloons with air from different sources, keep these points in mind: a. Each balloon should be tied off with a twist tie, not tied into a knot. b. Each balloon should be filled to the same diameter (about 7 to 8 inches [in] [17 to 20 centimeter (cm)]). 4. Fill balloon A with your breath. Blow into the balloon in order to inflate it to the appropriate size. Seal with a twist tie. 5. Ask your teacher to fill balloon B with car exhaust.
