Science

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Diffusion

Define diffusion and explore factors that affect the rate of diffusion in the human body.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Match the state of matter to the correct arrangement of particles.
  • solid
  • liquid
  • gas
  • irregular arrangement, no particles touching
  • regular arrangement, all particles touching and in rows
  • irregular arrangement, all particles touching

Where you see this icon you can drag and drop! If you are using your keyboard select and move using space and the arrow keys.

1/6

Q2.Which gas is taken in through the lungs and used for respiration?

2/6

Q3.Which piece of equipment is used to measure time?

3/6

Q4.Substances move in and out of cells through the cell .

Fill in the blank.

4/6

Q5.In which state of matter are particles not free to move?

5/6

Q6.How could a glass of juice be made more dilute?

6/6

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Match the state of matter to the correct arrangement of particles.
  • solid
  • liquid
  • gas
  • irregular arrangement, no particles touching
  • regular arrangement, all particles touching and in rows
  • irregular arrangement, all particles touching

Where you see this icon you can drag and drop! If you are using your keyboard select and move using space and the arrow keys.

1/6

Q2.Which gas is taken in through the lungs and used for respiration?

2/6

Q3.Which piece of equipment is used to measure time?

3/6

Q4.Substances move in and out of cells through the cell .

Fill in the blank.

4/6

Q5.In which state of matter are particles not free to move?

5/6

Q6.How could a glass of juice be made more dilute?

6/6

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Worksheet

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Quiz:

Diffusion

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1. is the net movement of particles from an area of high concentration to an area of low concentration.

Fill in the blank.

1/6

Q2.Which of these is an example of diffusion?

2/6

Q3.Diffusion happens more quickly at higher temperatures because particles have more energy in their energy store.

Fill in the blank.

3/6

Q4.Match the adaptation of alveoli to the explanation.
  • folded structure
  • one cell thick
  • lots of blood vessels
  • short diffusion distance
  • increases concentration gradient
  • increases surface area

Where you see this icon you can drag and drop! If you are using your keyboard select and move using space and the arrow keys.

4/6

Q5.Calculate the surface area to volume ratio of a cube with a side length of 10 cm. Give your answer as a decimal.

5/6

Q6.Which two of the following are leaf adaptations for diffusion?

Select two (2) boxes

6/6

Quiz:

Diffusion

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1. is the net movement of particles from an area of high concentration to an area of low concentration.

Fill in the blank.

1/6

Q2.Which of these is an example of diffusion?

2/6

Q3.Diffusion happens more quickly at higher temperatures because particles have more energy in their energy store.

Fill in the blank.

3/6

Q4.Match the adaptation of alveoli to the explanation.
  • folded structure
  • one cell thick
  • lots of blood vessels
  • increases concentration gradient
  • increases surface area
  • short diffusion distance

Where you see this icon you can drag and drop! If you are using your keyboard select and move using space and the arrow keys.

4/6

Q5.Calculate the surface area to volume ratio of a cube with a side length of 10 cm. Give your answer as a decimal.

5/6

Q6.Which two of the following are leaf adaptations for diffusion?

Select two (2) boxes

6/6

Lesson summary: Diffusion

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Time to move!

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This was the final lesson in the unit Cells.

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