Lab: Plate Boundaries and Movement

Question 1

How is the behavior of food coloring in the cool and heated water different? What caused the differences in their behavior?

Revolt · Accepted Answer

In the cool water, the food coloring stayed at the bottom of the container with very little movement. In the heated water, the food coloring rose to the top, spread to the sides, and then sank back down. This difference is caused by convection currents; the heat source makes the water at the bottom less dense, causing it to rise, while the cooler, denser water at the top sinks.

Question 2

✔ convection currentsheat from Earth's coreEarth's platesplate boundaries

Revolt · Accepted Answer

✔ convection currents

Question 3

convection currents✔ heat from Earth's coreEarth's platesplate boundaries

Revolt · Accepted Answer

✔ heat from Earth's core

Question 4

In what type of plate boundary did a river change its path?

Revolt · Accepted Answer

Transform boundary

Question 5

Throughout the reflection, make sure you have a copy of the Student Guide and your data tables. Fill in the terms that complete the statements.

Revolt · Accepted Answer

In this lab, you modeled how plates move. The plates that make up Earth’s lithosphere move because of . You also saw how plates interact with each other. The interactions between plates form plate of: convection; In this lab, you modeled how plates move. The plates that make up Earth’s lithosphere move because of . You also saw how plates interact with each other. The interactions between plates form plate of: boundaries

Question 6

✔ boundariesrockslayers

Revolt · Accepted Answer

✔ boundaries

Question 7

convection currentsheat from Earth’s core✔ Earth's platesplate boundaries

Revolt · Accepted Answer

✔ Earth's plates

Question 8

How did the convection model show how Earth’s mantle moves Earth’s plates?

Revolt · Accepted Answer

The water carried the pieces of paper to the sides of the container.

Question 9

Which of these ideas did you include in your answer? Check all that apply.

Revolt · Accepted Answer

The food coloring in the cool water stayed at the bottom of the container.; The food coloring in the heated water moved to the top of the container then it moved to the sides of the container. It finally sank to the bottom.; Warm water is less dense and rises and cold water is more dense and sinks. These differences cause convection currents.

Question 10

Which of these ideas did you include in your answer? Check all that apply.

Revolt · Accepted Answer

Convection currents move Earth’s plates.; Plates interact with each other at plate boundaries.; The interaction of plates may cause the formation of features like volcanoes that change Earth’s surface.; The interaction of plates may result in geologic events like earthquakes.

Lab: Plate Boundaries and Movement Answers

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