Unit 8 - Earth's history

This theory suggests that the Earth's crust and upper mantle are divided into large pieces that float on the convecting currents of the magma in the mantle.

• Plate Tectonics

• Big Bang

• Continental Drift

• Seafloor Spreading

Tags

NGSS.MS-ESS2-3

This theory suggests that the continents on Earth were once together as one large landmass and have slowly separated over time.

• Plate Tectonics

• Big Bang

• Continental Drift

• Seafloor Spreading

Tags

NGSS.MS-ESS2-3

This theory suggests that the Earth's crust under the ocean is expanding as tectonic plates pull apart and magma is exposed, cools, and hardens.

• Plate Tectonics

• Big Bang

• Continental Drift

• Seafloor Spreading

CHOOSE ALL THAT APPLY: Which of the following clues provided evidence to support Wegener's Continental Drift Theory?

• similar rocks on different continents

• fossils of identical plants and animals on different continents

• ocean currents making travel easier in the oceans

• Favorable people living on different continents

• similar climates on different continents

Tags

NGSS.MS-LS4-1

NGSS.MS-ESS2-3

Which of the following BEST explains why tectonic plates move?

• convection currents in the mantle

• inner core pressure causes it to be solid instead of liquid

• outer core temperature is so hot that the nickel and iron is a molten liquid

• deep ocean currents have enough energy to move the Earth's crust on the seafloor

Tags

NGSS.MS-ESS2-3

This type of fossil is a stone "copy"....also called petrification.

• preserved remains
• mineral replacement
• cast
• mold

This type of fossil would include nests, eggs, feces, and footprints. 

• cast
• mold
• preserved remains
• trace

When we pressed our dinosaur bodies into the clay...What type of "fossil" did it leave us with?

• preserved remains
• trace
• cast
• mold

Tags

NGSS.MS-LS4-1

This is a picture of a petrified forest.  Where tree trunks literally were turned to stone.  What type of fossil are these?

• mineral replacements
• trace fossils
• preserved remains
• mold fossils

Tags

NGSS.MS-LS4-1

True or False...All living things that die become fossils.

• True
• False

Tags

NGSS.MS-LS4-1