_{Which rock layer in the diagram seems to be the oldest?}

• F
• E
• B
• A

This rock was formed by smaller pieces of rock that settled at the bottom of a lake millions of years ago. What type of rock is this?

• Sedimentary
• Igneous
• Metamorphic

Which of the following occurs because of convection currents?

• Tectonic plates on the crust move.
• The mantle increases in size.
• Pressure in the crust increases.
• Pressure in the crust decreases.

Name the boundary

• convergent boundary
• divergent boundary
• transform boundary
• sergent boundary

Name the boundary

• convergent boundary
• divergent boundary
• transform boundary
• sergent boundary

Name the boundary

• convergent boundary
• divergent boundary
• transform boundary
• sergent boundary

A huge slow-moving mass of ice

• Mountain
• Glacier
• Volcano
• Delta

This arch was created by pieces of rock being washed away by the waves.  This is an example of 

• weathering
• erosion
• deposition

Limestone reacting with an acid (such as vinegar) is an example of 

• mechanical weathering
• chemical weathering
• erosion
• deposition

What is this landform?

• lake
• peninsula
• hills
• mountain