Studies Weekly: Our Planet Earth

Which of the following investigations would scientists probably not use to determine the properties of rocks?

• Heat the rocks to see how they react.

• Weigh the rocks on a scale.

• Use a microscope or other magnifier to observe the rocks.

• Paint the rocks different colors.

Tags

NGSS.MS-PS1-2

Which layer of the Earth is the thickest and is made of rock and metals?

• crust

• mantle

• core

• all three layers

Jules Verne was a great science fiction writer who wrote about an imaginary journey to ______.

• the North Pole.

• Mars.

• the top of Mt. Everest.

• the center of the earth

Use the diagram below to answer this question. Which kind of rock forms when wind and water break up large rocks into small pieces that are then pushed together into a new rock?

• igneous

• sedimentary

• metamorphic

• magma

Tags

NGSS.MS-ESS2-2

Many important resources are dug out of mines deep in the Earth's crust. Which material is the hardest known substance and is used for jewelry as well as in drills and cutting machinery?

• iron

• diamond

• gold

• silver

Scientists identify rocks by the properties of hardness, weight, color and smoothness. Which rock below is very soft?

• quartz

• granite

• obsidian

• sandstone

Look at the model of the Earth. Which of the following is not a reason that studying a model is helpful to scientists?

• A model of the earth is hard to make.

• The Earth is too large to see all at once.

• The core of the Earth is more than 3,500 miles deep and can’t be reached.

• A model can show the inside and outside of the Earth at the same time.

Put the layers of the Earth in order from the outside to the inside.

• crust, core, mantle

• core, mantle, crust

• crust, mantle, core

• mantle, core, crust

What is the liquid rock below the Earth’s surface called?

• iron

• quartz

• magma

• granite