CKLA 4th Grade Unit 5

Which of the following best restates this question?

How is igneous rock formed?

• by lava cooling down and becoming solid

• Igneous rock is formed by...

• lava melting

• igneous rock

Read the passage and answer the question:

Let's start with igneous rocks, the most abundant class of rocks on the earth. Igneous rocks form when magma cools and solidifies. When you think of igneous rocks, think of volcanoes.

Why should you think of volcanoes when you think of igneous rocks?

• There are a lot of igneous rocks on the earth.

• Magma comes from volcanoes, then cools down to make igneous rocks.

• Igneous rocks are the most common types of rocks on the earth.

Match this cause to its effect.

Cause: Tectonic plates move apart very slowly.

• Effect: islands are formed

• Effect: trenches are formed

• Effect: continental drift

• Effect: volcanoes

Which of the following sentenes best uses the word "geologist"?

• It was a geologist that they found in the center of an igneous rock.

• My dad, a geologist, went to South America to study the Andes mountain range.

• On the geologist planet, they have discovered water.

• There are signs of a geologist explosion on Hawaii.

Choose the sentence that uses commas correctly.

• My sister cooked eggs, bacon, toast, and pancakes for breakfast.

• I have one dog two cats, and a hamster.

• I like to eat pears and grapes and oranges.

• You may bring, chips crackers and cookies, to the picnic.

Fill in the blank.

Amber's dad ______________ poured her hot coffee into her thermos.

• easy

• carefully

• careful

• speedy

Which of these words contains the root word "rupt"?

• Subduction

• Continental

• Collision

• Eruption

Which word best completes this sentence?

Sometimes my dog ___________ my sleep when she barks in the middle of the night.

• erupts

• abrupts

• disrupts

• corrupts

Which of these best explains the difference between seamounts and hydrothermal vents?

• Seamounts are homes for lots of sealife because of the heat and nutrients in the water. Similarly, many organisms can also be found on hydrothermal vents.

• Seamounts and hyrdothermal vents share the characteristics of being underwater openings in the earth's crust.

• Seamounts differ from hydrothermal vents in size. Seamounts are much taller, and erupt with ash. On the other hand, hydrothermal vents are just extremely hot water.

Which of the following name Earth's layers from the inside out?

• Crust

  Mantle

  Inner core

  Outer Core

• Mantle

  Crust

  Outer core

  Inner core

• inner core

  Crust

  Mantle

  Outer core

• Inner core

  Outer core

  Mantle

  Crust