Science 7 Quarter 3 Review

In iceberg floats in the ocean. The ice must be ________ than the liquid water.

• less dense

• more dense

How does fossil evidence support Wegener's hypothesis of continental drift?

• Similar fossils are found along continental margins that appear to join together.
• Fossils are found in areas where the present-day climate could not have supported the organisms that made the fossils.
• Similar fossils of giant, land-dwelling dinosaurs are found on continents separated by oceans.
• all of the above

Many earthquakes happen along the borders of...

• Countries

• Tectonic Plates

• Climate Zones

• None of the above.

What geologic feature/event would you most likely to find at a divergent boundary between two pieces of continental crust?

• Mid-Ocean Ridge
• Mountain
• Rift Valley
• Island Arc

Two plates come together or collide at what boundary?

• Convergent

• Divergent

• Transform

When _________ produce ground motion, we call this an Earthquake.

• light waves

• seismic waves

• sound waves

• radio waves

Fossils can provide evidence of how life has changed over time, how Earth's surface has changed, and clues about what past environments were like.

• True
• False

Which type of boundary forms a mid-ocean ridge?

• transform

• divergent

• convergent

The age of a rock compared to the ages of other rocks is the rock's

• absolute age

• geologic age

• sedimentary age

• relative age

The plates of the crust move because...

• volcanoes erupt violently.

• of the weight of the oceans.

• of convection currents in the mantle.

• of the moon's gravity.