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Lesson Worksheet: The Steps of Digestion Science

In this worksheet, we will practice describing the function of the parts of the digestive system and modelling digestion in the mouth and stomach.

Q1:

Look at this information.

Column 1 Column 2 Column 3
Muscles squeeze the food. The food is mixed with stomach acid. Nutrients enter the bloodstream.

Which columns show what happens in the stomach?

  • A1 and 3
  • B1 and 2
  • C2 and 3
  • D1, 2, and 3

Q2:

Look at this picture of the large intestine.

What is absorbed in the large intestine?

  • AStomach acid
  • BBlood
  • CWater
  • DNutrients

Q3:

Isabella and Liam are talking about teeth.

Who is correct?

  • AIsabella
  • BBoth of them
  • CLiam
  • DNeither of them

Q4:

These children are predicting what will happen to food in the model of the stomach.

Who are correct?

  • AChloe and James
  • BChloe and Elizabeth
  • CJames and Elizabeth
  • DAll of them

Q5:

Mia and Jackson are talking about the tongue.

Who is correct?

  • ANeither of them
  • BJackson
  • CBoth of them
  • DMia

Q6:

When food leaves the stomach, it travels to the small intestine.

Fill in the blank: In the small intestine, nutrients from food are absorbed into the .

  • Abloodstream
  • Blarge intestine
  • Cliver
  • Dkidneys

Q7:

Which of these pictures is matched correctly?

  • A
  • B
  • C
  • D

Q8:

Look at this picture.

In the model of the digestive system, which part represents the stomach acid?

  • AThe plastic bag
  • BThe lemon juice
  • CThe crackers
  • DThe hand

Q9:

In this model of the stomach, hands are used to squeeze the bag.

What do the hands represent?

  • AMixing food with the stomach acid
  • BThe muscles of the stomach
  • CBreaking food into smaller pieces
  • DAll of the answers are correct.

Q10:

Look at this picture.

Fill in the blank: The esophagus is a tube that connects the mouth to the .

  • Asmall intestine
  • Bstomach
  • Clarge intestine

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