The Earth _______, or completes a complete spin on its axis, every 24 hours. This provides day and night as the sun shines on the side facing the sun and the opposite side is dark (night). Due to the position of the Earth as it revolves around (4) the sun, some areas receive more _______ sunlight than others. This means some areas receive more heat and energy than others. This _______ imbalance results in different climates on Earth. Weather is the daily atmospheric _______ in an area. For example, today the weather is clear, with a low temperature of 51˚F and a high temperature of 75˚F, winds at 8 mph, and a humidity of 78%. Weather changes _______ and weekly. _______ is the long- (11) term weather in a _______, it is the _______ over a long period of time. For example, Houston is hot and humid in the summer. The average high temperature is 91˚ and the average (20) low temperature is 76˚ (21) in July. This gives us (22) a hot climate. The (23) average humidity (amount of water vapor in the air) is 75%.
(24) However, if you were in Sydney, Australia, the average temperatures in July are (25) a high of 61˚F and an average low temperature of 46˚F. Sydney has an average
(26) humidity of 51% in July. July is _______ in Sydney, as it is in the Southern
(27) Hemisphere.
(28) Climates can be grouped based on typical __________. A polar _______ has an
(29) average temperature _______ 50˚F. A __________climate does not have temperature (30) or precipitation _________. A tropical climate has relatively _______ warm
(31) temperatures. Climate is __________ by the angle at which sunlight hits a region.