Semester 1 Test Grade 7

Front

What happens to the amount of water and fiber over time in the digestive system?

Back

Water and fiber stay the same for both M'Kenna and a healthy person. They will pass through the digestive system.

Front

What is an open system in terms of matter and energy flow?

Back

An open system is one where matter and energy can flow into and out of it.

Front

What is the formula for density?

Back

density = mass / volume

Front

Where does food go after it is in the small intestine?

Back

Large Intestine

Front

What are criteria in design?

Back

Criteria are the things the design needs to do in order to be successful.

Front

What is the role of fiber in the digestive system?

Back

Fiber helps to regulate the body's use of sugars, helping to keep hunger and blood sugar in check.

Front

What is the difference between an open system and a closed system?

Back

An open system allows matter and energy to enter and exit, while a closed system does not allow matter to enter or exit.

Front

What is mass?

Back

Mass is the amount of matter in an object, typically measured in grams or kilograms.

Front

What is volume?

Back

Volume is the amount of space an object occupies, typically measured in liters or cubic centimeters.

Front

How does water get absorbed in the digestive system?

Back

Water is absorbed primarily in the small intestine and large intestine through the walls into the bloodstream.