Science Unit

The picture shows a large rock breaking apart.  Which of these is MOST likely making the rock break apart?

• hot sunlight
• plant roots
• falling leaves
• running water

Which of the following is NOT a rapid (fast) change in Earth's surface?

• landslides
• erosion
• volcanoes
• earthquakes

Weathering is the breaking down of rock into ___________.

• boulders
• mountains
• sediment
• ice

_________is the movement of sediment from one place to another.

• Erosion
• Weathering
• Deposition
• All of the above

The dropping off of sediments in a new place is called __________.

• departing
• deposition
• erosion
• weathering

Weathering, Erosion, and Deposition are examples of ________ changes in the Earth's surface.

• rapid
• slow
• no
• new

Which of the following is NOT a cause of weathering, erosion, and deposition?

• fire
• water
• wind
• ice

Weathering, erosion, and deposition occur over many________.

• days
• years
• hours
• months

Deltas are built up by -

• deposition
• leaching
• abrasion
• erosion

How does freezing water cause the weathering of rocks?  The freezing water—

• keeps the rocks in place
• makes the rocks last longer
• expands cracks and breaks rocks
• causes rocks to fall in landslides