U3W5 Vocabulary

These large farms are mechanized.  People and work animals have been replaced by modern machines.
The root of mechanized means "something to do with machines."  Therefore, a mechanized farm has many...

• fields
• machines
• plants
• workers

Farmers use sophisticated machines such as combine harvesters.
The root of sophisticated means "no longer simple."  Knowing this suggests that a sophisticated machine is one that is 

• available
• complicated
• new
• repaired

Farming is easier because these large machines can easily cover a large area of geography in a shorter amount of time.
The Greek origin of geography means "earth."  Knowing this suggests that geography is the study of...

• air
• space
• land
• water

This scientific data points out that intensive farming is a valuable method of producing food.
If value means "usefulness," what does valuable mean?

• able to be useful
• without usefulness
• made of usefulness
• needing something useful

Scientists also generated new ideas that help farmers protect their crops.
The Greek root of generated means "to create."  What does generate mean?

• plant
• ship
• produce
• stop

Fish and other creatures die because they cannot breathe.  This is pathetic and unacceptable. 
The root of pathetic means "to suffer."  Knowing this suggests that something pathetic is...

• joyful
• memorable
• noisy
• sad

For example, they could use thermal imaging cameras. 
The root of thermal means "heat."  Knowing this suggests that a thermal picture would depend on...

• gravity
• light
• temperature
• weight

These cameras take aerial photographs of crops as they ripen.
The root of aerial means "air."  Therefore, aerial spraying would be done from a...

• plane
• ship
• train
• truck

These cameras take aerial photographs of crops as they ripen.
The word photograph comes from two Greek roots meaning "light" and "drawing."  Knowing this means which of the following is important to a photograph?

• air
• ink
• light
• paper

This won't purify our water sources, but it is a start.
The suffix -ify means "to make" or "to cause to become."  This means to purify water is to...

• clean it
• drink it
• color it
• pour it