CUA Science

Why should we choose to make a towel out of cotton?

• Because has nice colors

• Absorbs the water better

• because you can take it every where

• Because I do not know, Walmart sell it cheap

Which activity demonstrates a wise choice for the conservation of natural resources?

• Cutting trees

• Leaving the water running

• placing aluminium cans in the trash can

• Planting acorns in an open field

Which of the following is NOT a natural resource of the Earth?

• rocks

• water

• soil

• plastic

The students collected soil samples from around the school.  Which of these tools would help them determine what materials make up soil?

• compass

• iWatch

• telescope

• hand lens (magnifiers)

In general, soil is made of which materials?

• All of the above

• water

• Dead plants material

• Broken-down rocks and minerals

Scientists can predict that the Rocky Mountains will gradually become shorter and rounder over the years. Why would this happen?

• Volcanoes deposit lava around the mountains

• Earth shifting plates would move the mountains

• air, water, changes in temperatures would break the rocks that form the mountains

• The aliens with their spaceships will destroy the mountains to make their bases

An earthquake is MOST LIKELY to cause which of the following?

• Hurricane

• Tornado

• Tsunami

• rain

This model is best used to

• Understand where a volcano is coming from

• Observe the size of a volcano

• Observe what is inside of a volcano

• Observe how a vocano can harm the environment