The Digestive System P/C Changes

What is the main focus of the passage?

• The journey of a ham sandwich through the digestive system

• The history of sandwiches

• The nutritional value of ham sandwiches

• The process of making a ham sandwich

Tags

Comprehending a text

What changes occur in the digestive system to break down food into nutrients?

• Physical changes only

• Chemical changes only

• Both physical and chemical changes

• No changes occur

Tags

Comprehending a text

When your teeth chew the food and break it from large food to small food, this is a ____.

• Physical change because it changed size

• Physical change because it changed state of matter

• Chemical change because it changed into a new substance

When your saliva turns the bread into sugar, this is a ___.

• Physical change because it changed size

• Physical change because it changed state of matter

• Chemical change because it made a new substance

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

According to the passage, how does the food get down your esophagus?

• It is pulled down by gravity

• It is pushed by your muscles

• Your brain has to think each time about how to move it to your stomach

When the muscles in your stomach break the big chunks into small chunks, it is a ____.

• Physical change because it changes the shape

• Physical change because it changes the state of matter

• Chemical change because it made a new substance

When the acid in your stomach dissolves the bread into sugar, it is a ___.

• Physical change because it changes the shape

• Physical change because is changes the state of matter

• Chemical change because it makes a new substance

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What happens to the food that your body cannot digest?

• It stays in your stomach forever

• It disappears by magic

• The waste is removed from your body when you use the bathroom

"One example of a physical change in digestion is ____, but one example of a chemical change in digestion is ____."

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Organize the steps of the digestive process.

• Your intestines absorb the nutrients, and your body gets rid of the waste.

• You bite into the food.

• Your stomach muscles physically break down the food, and your stomach acid chemically breaks down the food.

• The food travels through your esophagus to your stomach.

• Your teeth physically break down the food, and your saliva chemically breaks down the food.

Tags

NGSS.MS-LS1-7