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Terms in this set (35)
If supported by repeated tests, a hypothesis can become a _______.
Explain the displacement method.
vol of water- vol rock
On which side of the low pressure will the wind speed be the greatest in the picture above?
What type of weather is usually associated with a low pressure system?
Explain how do you read a triple beam balance?
middle + back+ front+=mass(g)
The ___ theory states that 12-14 billion years ago the universe began expanding from an explosion.
On earth, which 2 of the following is essential for life on Earth ________.
Most asteroids lie between the orbits of _______________.
Mars and Jupiter
What are the main gasses and their percentages in Earth's Atmosphere?
nitrogen 78% oxygen 21%
Which layer of the atmosphere has the highest air pressure, and name a place IN VIRGINIA where the atmospheric pressure would be the highest (on average) and where it would be the lowest?
The Earth's atmosphere is divided into layers because of changes in ____________.
Which layer do we live in?
What layer is beyond the Thermosphere and merges into outer space?
Too much exposure to ________ can cause skin cancer.
Which magnitude would be associated with the brightest star
Put the events in order in which they occurred
Red Giant 3, Nebula1 , White Dwarf4, Main Sequence2
The region of the H-R diagram occupied by most stars including our sun is the ____ region.
Heat can be transferred in several ways. This table describes 3 types of heat transfer. Which of the following is an example of conduction?
a metal pan burning a hand
Which term refers to the amount of water vapor in the air?
Which type of air has a relative humidity of 100%?
The breeze shown above occurred because __________________.
land heats and cools more quickly than water
At what temperature does water vapor in the air condenses?
What does a barometer measure?
26- Which of these can people do in order to reduce global warming?
- How do you determine the density of an object (formula) and what is the density of an object that has a mass of 50 grams, and a volume of 3.5 ml. If water has a density of 1, would the object that you calculated the density for float or not?
d=m/v = 3.5ml= 14.3 g/ml; it would be 14.3 g/ml it would sink
-Which is denser, salt or fresh water?
salt- floats more easier
At higher temperatures, air can hold ____ water vapor as compared to air at lower temperatures.
31- As a cold front approaches, the _____.
32- The gravitational attraction of the moon upon Earth causes ___.
During which phase(s) of the moon will the tides be the highest?
full and new
What is the volume of the key?
How do you test your hypothesis in an experiment?
conduct an experiment
The boundary between cold and warm air masses is called a _____.
What holds Earth's atmosphere in place?
High pressure systems are usually associated with which of the following?
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