<span>The greenhouse effect. The Green House effect increases the temperature of the Earth by trapping heat in the Earth's atmosphere. This keeps the temperature of the Earth higher than it would be if it were being directly heated by the Sun, if the Sun were the only source of heat.</span>
The physical properties of matter can be measured precisely using tools, such as a triple beam balance, a graduated cylinder or beaker, a metric ruler, timing devices, or a thermometer.
