The process of diffusion practice exercise 4

A student stirs a spoon of sugar into hot tea and observes that it slowly spreads even without stirring further. Which scientific process does this illustrate?

A student stirs a spoon of sugar into hot tea and observes that it slowly spreads even without stirring further. Which scientific process does this illustrate? (1 mark)

A student stirs a spoon of sugar into hot tea and observes that it slowly spreads even without stirring further. Which scientific process does this illustrate? (1 mark)

A student stirs a spoon of sugar into hot tea and observes that it slowly spreads even without stirring further. Which scientific process does this illustrate? (1 mark)

After playing football, James leaves his sweaty socks in the corner of the room. Soon, the entire room starts to smell. Which process explains how the smell spread?

After playing football, James leaves his sweaty socks in the corner of the room. Soon, the entire room starts to smell. Which process explains how the smell spread? (1 mark)

After playing football, James leaves his sweaty socks in the corner of the room. Soon, the entire room starts to smell. Which process explains how the smell spread? (1 mark)

After playing football, James leaves his sweaty socks in the corner of the room. Soon, the entire room starts to smell. Which process explains how the smell spread? (1 mark)

Study the diagram of alveoli and capillaries above. How is carbon dioxide removed from the blood?

Study the diagram of alveoli and capillaries below. How is carbon dioxide removed from the blood? (1 mark)

Study the diagram of alveoli and capillaries below. How is carbon dioxide removed from the blood? (1 mark)

Study the diagram of alveoli and capillaries below. How is carbon dioxide removed from the blood? (1 mark)

Study the diagram of alveoli and capillaries below. How is carbon dioxide removed from the blood? (1 mark)

The diagram shows how oxygen moves from the air in the soil into a plant's root hair cell. What causes the oxygen to move in this direction?

The diagram below shows how oxygen moves from the air in the soil into a plant's root hair cell. What causes the oxygen to move in this direction? (1 mark)

The diagram below shows how oxygen moves from the air in the soil into a plant's root hair cell. What causes the oxygen to move in this direction? (1 mark)

The diagram below shows how oxygen moves from the air in the soil into a plant's root hair cell. What causes the oxygen to move in this direction? (1 mark)

Traders store bananas and mangoes in a closed box to ripen faster. Why do the fruits ripen more quickly together?

Traders store bananas and mangoes in a closed box to ripen faster. Why do the fruits ripen more quickly together? (1 mark)

Traders store bananas and mangoes in a closed box to ripen faster. Why do the fruits ripen more quickly together? (1 mark)

A student places two bags into water: one with starch and one with glucose. Later, only glucose is found in the water. Why?

A student places two bags into water: one with starch and one with glucose. Later, only glucose is found in the water. Why? (1 mark)

A student places two bags into water: one with starch and one with glucose. Later, only glucose is found in the water. Why? (1 mark)

A student puts yeast in sugar water. After a while, bubbles start to form. What caused the yeast to start producing bubbles?

A student puts yeast in sugar water. After a while, bubbles start to form. What caused the yeast to start producing bubbles? (1 mark)

A student puts yeast in sugar water. After a while, bubbles start to form. What caused the yeast to start producing bubbles? (1 mark)

A student puts yeast in sugar water. After a while, bubbles start to form. What caused the yeast to start producing bubbles? (1 mark)

After a lot of rain, the soil becomes full of water. How will this affect the oxygen entering the root hair cell?

After a lot of rain, the soil becomes full of water. How will this affect the oxygen entering the root hair cell?  (1 mark)

After a lot of rain, the soil becomes full of water. How will this affect the oxygen entering the root hair cell?  (1 mark)

Look at the diagram. Why does carbon dioxide move from the air space into the cells?

Study the diagram below. Why does carbon dioxide move from the air space into the cells? (1 mark)

Study the diagram below. Why does carbon dioxide move from the air space into the cells? (1 mark)

Study the diagram below. Why does carbon dioxide move from the air space into the cells? (1 mark)

When you run fast, your breathing increases and your heart beats faster. How does this help diffusion in the lungs?

When you run fast, your breathing increases and your heart beats faster. How does this help diffusion in the lungs? (1 mark)

When you run fast, your breathing rate and heart rate increase. How does this relate to the process of diffusion in the lungs?  (1 mark)

When you run fast, your breathing rate and heart rate increase. How does this relate to the process of diffusion in the lungs?  (1 mark)