chapter 7-12 science quiz

How many major section is the earth crust divided into?

• 5

• 7

• 3

• 1

How does lava react with dissolved gas?

• Thin lava, the gas escapes easily

• Thin lava, the gas escapes with explosive violence

• Thick lava, the gas escapes easily

• Thin lava, the gas escapes with explosive violence

What is the difference between weathering and erosion?

• weathering is breaking down earths surface and erosion is moving the broken down pieces to a new location.

• weathering is moving broken down pieces to a new location and erosion is breaking down earths surface.

• weathering causes little change and erosion causes a lot of change

• weathering happens on earth surface and erosion happens deep in the earth

What is the most recent era in the geological time scale?

• Precambrian era

• Paleozoic era

• Mesozoic era

• Cenozoic era

Where does the earth get most all of its heat energy?

• The ocean

• The sun

• The air

• Venus

What are characteristics of a tornado?

• long storm

• short storm

• high-speed

• rain and lightning

What is a galaxy?

• a area of blackness

• Billions of clusters of stars

• clusters of planets

• A big bright star

What are characteristics of a Pulsar?

• center of galaxies

• consist solely of neutrons

• dense

• rapidly spinning

Why does the Sun appear so big and bright from Earth?

• It reacts with the earth to make it bigger and brighter

• It is a supernova

• It is the closet star to the earth

• It is the biggest and brightest star

What does the tilt of the earth effect?

• length of the year

• seasons

• brightness of the sun

• length of the day