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WorksheetsBirth of Rocks Unit Test
Total questions: 22
Worksheet time: 2hrs 5mins
Where do you have to live to make it more likely for a volcano to pop up in your backyard? (Choose 2)
near a volcano
in the Ring of Fire
in the middle of the ocean
near Carmi
Where is the Ring of Fire located?
along the edge of the Pacific Ocean
along the edge of the Atlantic Ocean
along the edge of the Mexican Ocean
along the shores of the Ohio River
Will a mountain last forever?
Yes, a mountain will last forever. It is made of solid rock.
No, a mountain won't last forever. Thunder and lightning can make it crumble.
Yes, a mountain will last forever. Rocks can never break apart.
No, a mountain won't last forever. Ice wedging and root wedging break rock apart.
What shape does the Ring of Fire make?
a square pattern
a circular or horseshoe pattern
a triangular pattern
no pattern
Where are most of the of the volcanoes in the world?
in California
in Hawaii
in the Ring of Fire
in Mexico
Why do cone volcanoes explode?
They have thin lava that releases the air bubbles.
They have thick lava that releases the air bubbles.
They have thick lava that traps the bubbles and creates pressure, causing an explosion.
They have thin lava that traps the bubbles and creates pressure, causing an explosion.
Why do shield volcanoes flow gently?
Their thick lava lets the bubbles out freely.
Their thin lava traps the bubbles and explodes.
Their thick lava traps the bubbles and explodes.
Their thin lava lets the bubbles out freely.
By looking, how can you tell the difference between volcanoes that explode and those that don't?
Volcanoes that explode are cone-shaped. Those that don't are shaped like a shield.
Volcanoes that explode are shaped like a shield. Those that don't are cone-shaped.
What is the difference between felsite and basalt lava?
Felsite is light-colored. Basalt is black.
Basalt is light-colored. Felsite is black.
Which kind of volcano is Mount St. Helens?
shield
cone
What is ice wedging?
Ice wedging is when a soda can explodes.
Water freezes in cracks of rocks and expands, breaking the rocks apart.
When ice in your cup is stuck and won't come out.
Ice melts in cracks of rocks and shrinks, breaking the rocks apart.
What is root wedging?
Seeds fall in cracks of rocks. The roots grow and break the rock apart.
Tree roots wedge themselves into each other.
Gardners cut roots to get them to grow better.
Rocks fall in the roots of plants and break the plants apart.
What happens when rocks hit against each other as they fall down a mountain?
Someone could get hurt.
They make loud sounds.
The edges of the rocks break off.
The rocks stay the same.
Where are rocks with sharp edges found?
the top of the mountain
the bottom of the mountain
the middle of the mountain
nowhere
What causes landslides?
sun
not enough rain or water
forest fires
rain or water
What is a landslide?
a fault in the Earth
when rocks or mud slide down a slope
when rocks or mud stay where they are
rocks or mud moving in a flat area
What TWO things can loosen rocks that slide down the mountain?
ice wedging
animals
root wedging
thunder
Where were these rocks most likely found?
Top of the mountain
Bottom of the mountain
Where were these rocks most likely found?
Top of the mountain
Bottom of the mountain
What was your favorite lesson in this unit?
Which experiment would you want to do again from this unit?
Write about one interesting thing you learned in this unit? (At least two sentences!)
