Why does the orange liquid rise when the lava lamp animation is plugged in quizlet?
Why does the orange liquid rise when the lava lamp animation is plugged in? Although both liquids expand when heated, the orange liquid expands more.
What surface feature provides evidence for the location of hot spots?
What surface feature provides evidence for the location of hot spots? Volcanoes within tectonic plates.
Which of the following accurately describes the motion of lava in Erta Ale’s crater?
Which of the following accurately describes the motion of lava in Erta Ale's crater? The lava wells up on one side of the crater and forms a dark crust. As the crust cools, it flows across the lake driven by the churning lava below.
What are the three types of plate boundaries?
- Divergent boundaries — where new crust is generated as the plates pull away from each other.
- Convergent boundaries — where crust is destroyed as one plate dives under another.
- Transform boundaries — where crust is neither produced nor destroyed as the plates slide horizontally past each other.
How does a lava lamp work convection?
It becomes denser than the surrounding liquid and begins to sink. When it reaches the bottom, the whole cycle repeats! A lava lamp is an example of a convection current. Convection currents cause liquids and gases to rise and fall because of changes in their density.
How does a lava lamp work using convection conduction and radiation?
Conduction is the transfer of heat through direct contact (in this case, metal coil contact with the "lava" at the bottom of the lava lamp). Convection is the transfer of heat through movement such those in a flowing medium (such as liquids or gases, or in this case as the "lava" rises in a lava lamp).
What is a convection quizlet?
What is convection? a type of heat transfer due to particles moving within a liquid or a gas.
What is convection a cycle of moving material?
Convection is a cycle of moving material formed by the rise of less-dense material and the sinking of denser material.
Which statement describes the composition and viscosity of the lava associated with shield volcanoes?
Which statement describes the composition and viscosity of the lava associated with shield volcanoes? Lava from shield volcanoes is mafic and has a low viscosity.
What are the two primary factors that determine how magma erupts?
The two primary factors that determine how magma erupts is its viscosity and gas content.
Which type of tectonic boundary is the result of two tectonic plates colliding with each other?
convergent plate boundary If two tectonic plates collide, they form a convergent plate boundary. Usually, one of the converging plates will move beneath the other, a process known as subduction.
What are the three types of boundary movements describe the movements for each boundary type?
There are three main types of plate boundaries:
- Convergent boundaries: where two plates are colliding. Subduction zones occur when one or both of the tectonic plates are composed of oceanic crust. …
- Divergent boundaries – where two plates are moving apart. …
- Transform boundaries – where plates slide passed each other.
Where is heat transferred by convection in a lava lamp?
mantle The Earth's mantle has convection currents because the heat of the core acts similarly to the light bulb in our lava lamp. The core's heat energy is transferred to the mantle, causing it to rise towards the Earth's surface, which is cooler.
How does a lava lamp show convection?
0:081:18Convection currents in a lava lamp – IGCSE Physics – YouTubeYouTube
How does a lava lamp use convection?
Convection currents cause liquids and gases to rise and fall because of changes in their density. There are convection currents all around you, even in the Earth's crust! When globs get warmed by the light bulb they rise to the top of the lamp, where they cool and sink.
What is required for convection?
It relies on the collision of particles within or between substances. It occurs in solids, liquids, or gases that are heated. It results when portions of a liquid cool and rise. It is driven by temperature differences within a fluid.
Which of the following best describes what convection is?
1 Answer. It is the process in which warm material expands and rises while cool material contracts and falls.
How do convection occur?
How does convection work? Convection works by areas of a liquid or gas heating or cooling greater than their surroundings, causing differences in temperature. These temperature differences then cause the areas to move as the hotter, less dense areas rise, and the cooler, more dense areas sink.
How does convection cause the plates to move?
Convection currents drive the movement of Earth's rigid tectonic plates in the planet's fluid molten mantle. In places where convection currents rise up towards the crust's surface, tectonic plates move away from each other in a process known as seafloor spreading (Fig. 7.21).
When contrasting lava from a composite volcano to lava from a shield volcano?
When contrasting lava from composite volcanoes to lava from shield volcanoes, composite volcanoes most often produce silica-rich lavas with high viscosities, whereas shield volcanoes produce basaltic lavas with low viscosities.
How does the composition and viscosity of lava flows differ between composite volcanoes and shield volcanoes quizlet?
How does the composition and viscosity of lava flows differ between composite volcanoes and shield volcanoes? Composite volcanoes are mostly formed from thick, viscous, andesitic composition lava whereas shield volcanoes are formed from runny, less viscous, basaltic composition lava.
Which of the following characteristics of magma mainly affect the explosiveness of a volcanic eruption?
Viscosity, together with the amount of gas dissolved in magma, can determine the explosivity of the eruption. More viscous magma with volatiles is more explosive than less viscous magma, where gases can bubble out relatively easily.
Which of the following characteristics of magma determines its explosiveness?
The amount of dissolved gas in the magma provides the driving force for explosive eruptions. The viscosity of the magma, however, is also an important factor in determining whether an eruption will be explosive or nonexplosive.
Which plate boundary and movement commonly create non volcanic mountains explain how non volcanic mountains are created by plate tectonics?
Answer and Explanation: The convergent boundary is one where the impact of the two plates towards one another results in the formation of non-volcanic mountains.
Which characteristics describe convergent boundaries?
What characteristics describe convergent boundaries? The characteristics that describe convergent boundaries are subduction, where one plate sinks under another, and collision, where two plates crash together. This creates features like volcanoes, mountains, and more.
What are the three main plate boundaries and describe the characteristic of each boundary?
There are three main types of plate boundaries:
- Convergent boundaries: where two plates are colliding. Subduction zones occur when one or both of the tectonic plates are composed of oceanic crust. …
- Divergent boundaries – where two plates are moving apart. …
- Transform boundaries – where plates slide passed each other.
What are the three possible forces that drives the plate tectonic how do they differ from each other?
The forces that drive Plate Tectonics include: Convection in the Mantle (heat driven) Ridge push (gravitational force at the spreading ridges) Slab pull (gravitational force in subduction zones)
How do you explain a lava lamp experiment?
When enough bubbles pop, the water-and-remaining gas becomes more dense than the oil. So the ball of water sinks down through the oil and joins the rest of the water. Changes in density as gas is added to or taken away from water cause it to float up and sink down through the oil. Thus the lava lamp is created!
Where is convection in a lava lamp?
The plates move on a hot flowing mantle layer called the asthenosphere, which is several hundred kilometers thick. Heat within the asthenosphere creates convection currents (similar to the currents that can be seen in the lava lamp).
Where does convection take place in a lava lamp?
So when a glob reaches the top of the lava lamp, it contracts. It becomes denser than the surrounding liquid and begins to sink. When it reaches the bottom, the whole cycle repeats! A lava lamp is an example of a convection current.