Rocks and Minerals Mastery Assessment Read Aloud SY 22-23

Rock X can scratch Rock Y, but Rock Y cannot scratch Rock X. Based on this information, which of these statements is true?

• Rock X is smoother than Rock Y.

• Rock X is rougher than Rock Y.

• Rock X is harder than Rock Y.

• Rock X is softer than Rock Y.

Which sentence about rocks and minerals is true?

• Minerals can be made of many types of materials.

• Rocks can be made of many types of minerals.

Which question will LEAST help a scientist identify a rock?

• What is the color of the rock?

• What is the weight of the rock?

• What does the rock feel like?

• How hard is the rock?

Which of the following is NOT used to identify a rock?

• color

• Weight

• texture

• hardness

A student observes the rock shown. What question can the student ask to help describe the rock's luster?

• Is the rock hard?

• Is the rock shiny?

• Is the rock smooth?

• Is the rock dark in color?

Which question will help a scientist to classify a rock by its texture?

• How large is the rock?

• Where was the rock found?

• Does the rock have many colors?

• Is the surface of the rock smooth?

Which question would help a scientist to sort rocks into groups based on their hardness?

• How heavy is the rock?

• Does the rock have a dark color?

• Will the rock scratch another material?

• Is the surface of the rock bumpy or smooth?

A student is performing an investigation by scratching one rock on another rock, as shown in the picture. Which question is the student most likely trying to answer?

• What color are the rocks?

• Which rock is the hardest?

• What is the texture of the rocks?

• Which rock has a shinier luster?

Tags

NGSS.MS-PS1-2

A student finds a rock on the ground. The rock is brown and bumpy. Which question can the student answer about the rock with this information?

• What is the hardness of the rock?

• What is the color and texture of the rock?

• What is the age of the rock?

Students in a fourth-grade class use the Moh's Scale to determine the hardness of minerals. Students are tasked with proving the hardness scale with minerals and objects in their class. Which quesitn will be the BEST for students to ask to test out the hardness of the mineral, talc?

• Is the mineral easy to scratch with other minerals provided?

• Is the mineral as shiny as other minerals on the chart?

• Is the mineral smooth to the touch?