Bees and wasps are insects which use a sting to defend themselves. A wasp sting has a $\mathrm{pH}$ of $10$ and a bee sting has a $\mathrm{pH}$ of $2$.

Copy and complete the table about wasp and bee stings.

	Acid or alkaline	What colour would you see with universal indicator?
Wasp sting $\mathrm{pH}$ $10$
Bee sting $\mathrm{pH} 2$

Bees and wasps are insects which use a sting to defend themselves. A wasp sting has a $\mathrm{pH}$ of $10$ and a bee sting has a $\mathrm{pH}$ of $2$. What would you add to a bee sting to neutralise it and stop it from hurting?

Tip: Can you think of any specific examples which would be safe?

Bees and wasps are insects which use a sting to defend themselves. A wasp sting has a $\mathrm{pH}$ of $10$ and a bee sting has a $\mathrm{pH}$ of $2$. What would you add to a wasp sting to neutralise it and stop it from hurting?

Tip: Can you think of any specific examples which would be safe?

The table below shows the $\mathrm{pH}$ of four different soil samples which are labelled $\mathrm{A}-\mathrm{D}$.

Use letters from the table to answer the following question.

Which soil sample is neutral?

The table below shows the $\mathrm{pH}$ of four different soil samples which are labelled $\mathrm{A}-\mathrm{D}$.

Use letters from the table to answer the following question.

Cabbage grows better in alkaline soil. Which soil sample would be the best to grow cabbage in?

The table below shows the $\mathrm{pH}$ of four different soil samples which are labelled $\mathrm{A}-\mathrm{D}$.

Use letters from the table to answer the following question.

Potatoes grow better in slightly acidic soil. Which sample would be the best to grow potatoes in?

The earth has four layers.

Name the layers $\mathrm{A}-\mathrm{D}$ in this diagram of the earth.