Demonstrating Diffusion practice exercise 2

What happens to carbon dioxide in the blood as it passes by the alveoli?

What happens to carbon dioxide in the blood as it passes by the alveoli?   (1 mark)

What happens to carbon dioxide in the blood as it passes by the alveoli?   (1 mark)

As blood flows past the alveoli, how is carbon dioxide removed from it?  (1 mark)

As blood flows past the alveoli, how is carbon dioxide removed from it?  (1 mark)

Observe the image below showing a beaker with ink spreading in water. What does the image demonstrate?

Observe the image below showing a beaker with ink spreading in water. What does the image demonstrate?  (1 mark)

Observe the image below showing a beaker with ink spreading in water. What does the image demonstrate?  (1 mark)

The diagram below shows a beaker with ink spreading in water. What does the image demonstrate?  (1 mark)

The image below shows coloured gas spreading in a closed container. What classroom concept does this demonstrate?

The image below shows coloured gas spreading in a closed container. What classroom concept does this demonstrate?  (1 mark)

The image below shows coloured gas spreading in a closed container. What classroom concept does this demonstrate?  (1 mark)

What does the image below illustrate about diffusion in living things?

What does the image below illustrate about diffusion in living things?   (1 mark)

What does the image below illustrate about diffusion in living things?   (1 mark)

What does the image below illustrate about diffusion in living things?   (1 mark)

What does the image below illustrate about diffusion in living things?   (1 mark)

What does the image below illustrate about the role of diffusion in gas exchange in living organisms?   (1 mark)

What does the image below illustrate about the role of diffusion in gas exchange in living organisms?   (1 mark)

Refer to the image below. What process causes the colour to spread throughout the water?

Refer to the image below. What process causes the colour to spread throughout the water?  (1mark)

Refer to the image below. What process causes the colour to spread throughout the water?  (1mark)

Refer to the image below. What process causes the colouring particles to move from a region of high concentration where they were added, to all parts of the water without any stirring?  (1mark)

Refer to the image below. What process causes the colouring particles to move from a region of high concentration where they were added, to all parts of the water without any stirring?  (1mark)

Refer to the image below. What process causes the colouring particles to move from a region of high concentration where they were added, to all parts of the water without any stirring?  (1mark)

Study the image below. What process causes the colouring particles to move from a region of high concentration where they were added, to all parts of the water without any stirring?  (1mark)

Which of the following is commonly used to demonstrate diffusion in water during science lessons?

Which of the following is commonly used to demonstrate diffusion in water during science lessons?

Which of the following is commonly used to demonstrate diffusion in water during science lessons?

Which of the following is commonly used to demonstrate diffusion in water during science lessons?

Which of the following is commonly used to demonstrate diffusion in water during science lessons?

What process allows oxygen to move from the alveoli into the blood in the lungs?

What process allows oxygen to move from the alveoli into the blood in the lungs?  (1mark)

What process allows oxygen to move from the alveoli into the blood in the lungs?  (1mark)

Which process enables oxygen to move across the thin alveolar membrane into capillaries due to a concentration gradient, without requiring energy?  (1mark)

Which process enables oxygen to move across the thin alveolar membrane into capillaries due to a concentration gradient, without requiring energy?  (1mark)

Which process enables oxygen to move across the thin alveolar membrane into capillaries due to a concentration gradient, without requiring energy?  (1 mark)

A drop of food colouring is added to still water in a beaker. Over time, the colour spreads. What is being demonstrated?

A drop of food colouring is added to still water in a beaker. Over time, the colour spreads. What is being demonstrated?  (1mark)

A drop of food colouring is added to still water in a beaker. Over time, the colour spreads. What is being demonstrated?  (1mark)

A drop of food colouring is added to still water in a beaker. After some time, the colour spreads throughout the water without stirring. What scientific process is being demonstrated in this setup? (1mark)

A drop of food colouring is added to still water in a beaker. After some time, the colour spreads throughout the water without stirring. What scientific process is being demonstrated in this setup? (1mark)

A drop of food colouring is added to still water in a beaker. After some time, the colour spreads throughout the water without stirring. What scientific process is being demonstrated in this setup? (1 mark)

A student performs diffusion using ink in two beakers: one with warm water and the other with cold water. In which beaker will the ink spread faster?

A student performs a diffusion demonstration by adding ink to two beakers: one with warm water and another with cold water. In which beaker will the ink spread faster?

A student performs a diffusion demonstration by adding ink to two beakers: one with warm water and another with cold water. In which beaker will the ink spread faster?

A student performs a diffusion demonstration by adding ink to two beakers: one with warm water and another with cold water. In which beaker will the ink spread faster? (1 mark)

During an experiment, a drop of ink is added to a beaker of still water. After 10 minutes, the ink has spread throughout the beaker. What does this observation demonstrate?

During an experiment, a drop of ink is added to a beaker of still water. After 10 minutes, the ink has spread throughout the beaker. What does this observation demonstrate?   ( 1mark)

During an experiment, a drop of ink is added to a beaker of still water. After 10 minutes, the ink has spread throughout the beaker. What does this observation demonstrate?   ( 1mark)

During an experiment, a drop of ink is added to a beaker of still water. After 10 minutes, the ink has spread throughout the beaker. What does this observation demonstrate?   (1 mark)