Weegy: The density difference between warm, moist air and cold air causes the moist air to rise. This is key to forming clouds. User: The molecules in a material need to move with more energy for the material to change from a Weegy: The molecules in a material need to move with more energy for the material to change from a: liquid to a gas. (More)

Weegy: The heat absorbed or lost by a substance while it's changing state.- is correctly describes latent heat. User: How do liquids and gases differ when pressure is applied to them in a container? Weegy: Gasses easily compress when pressure is applied, but liquids don't - is how do liquids and gases differ when pressure is applied to them in a container. User: If a gas has a gauge pressure of 156 kPa, its absolute pressure is approximately Weegy: If a gas has a gage pressure of 156 kPa, its absolute pressure is approximately 256 kPa. Gauge pressure (GP) is 0 at atmospheric pressure (AP). Absolute pressure= GP + AP. Since atmospheric pressure is ca. 100 kpa; 100 + 156 is 256 kpa. User: What does mass measure? Weegy: Mass is a measure of the amount of matter that an object contains. User: Pascal's principle is useful for distributing pressure through an enclosed liquid because Weegy: Pascal's principle says that changes in pressure at any point in an enclosed fluid: are transmitted to all points in the fluid. User: Density is related to temperature. For example, hotter gases tend to be _______ dense compared to colder gases. Weegy: Density is related to temperature. For example, hotter gases tend to be less dense compared to colder gases. User: What does temperature measure? Weegy: Temperature measures the warmth or coldness of an object based on a standard value. User: A 7.5 kg block is on a table. If its bottom surface area is 0.6 m2, how much pressure does the block exert on the tabletop? Weegy: A 7.5 kg block is placed on a table. If its bottom surface area is 0.6 m2, 122.5 Pa pressure does the block exert on the tabletop. P = F/A = mg/A = (7.5 kg)(9.8 m/s )/(0.6 m ) = 122.5 Pa. User: It might not be visually apparent, but solids such as metal change their volume with temperature. This is known as Weegy: It might not be visually apparent, but solids such as metal change their volume with temperature. This is known as: thermal ... (More)

Weegy: If a person looking at a poster sees green instead of yellow and doesn't see red at all, this person most likely has color blindness where red-sensitive nerves fail to respond to light properly. User: If a wave has a wavelength of 9 meters and a period of 0.006, what's the velocity of the wave? Weegy: If a wave has a wavelength of 9 meters and a period of 0.006, the velocity of the wave is 1500 m/s. Solution: 9 / 0.006 = 1500. User: The function of the eardrum is to Weegy: The function of the eardrum in the middle ear is to vibrate with the frequency of the received sound. User: A red opaque object Weegy: A red opaque object reflects red light only. User: Which of the following statements is not true of vibrations? (More)

Weegy: A wave period of 2 seconds has a frequency of 0.5Hz. Solution: T = 2 seconds f = 1/T f = 1/2 sec f = 0.5 User: If the frequencies of two component waves are 24 Hz and 20 Hz, they should produce _______ beats per second. Weegy: If the frequencies of two-component waves are 24 Hz and 20 Hz, they should produce 4 beats per second. User: Rarefaction occurs only in a _______ wave. Weegy: Rarefaction occurs only in a longitudinal wave. User: A wave with a period of 1 3 second has a frequency of Weegy: The frequency of a wave defines the number of waves that pass a fixed point in a given amount of time. User: If a sound is refracted away from the surface of the earth, this indicates that the Weegy: If a sound is refracted away from the surface of the earth, [ this indicates that the air is cooler than the ground. ] User: If a source of sound waves is rapidly approaching a person, the sound heard by the person appears to have (More)