| Question | Answer |
| What colour would red litmus paper turn when dipped into an alkali? | blue
|
What would be the pH of vinegar? | 5
| Draw the hazard symbol you might see on a bottle of very strong acid. | corrosive
| What colour would universal indicator turn if added to a strong alkali? | purple
| Explain why using acids can be dangerous. | can burn or irritate
| A wasp sting has a pH of 10, what household substance could you use to neutralise it? | lemon juice vinegar
| What is the name of the reaction between an acid and an alkali? | neutralisation
| When an acid reacts with an alkali what two things are made? | salt and water
| Starting with the testes name the different parts of the male reproductive system that sperm will travel along on their way out of the body. | t sd u
| What occurs half way through the menstrual cycle? | o
| Name two things that only happen to girls during puberty? | h b
| Name two things that happen to both girls and boys during puberty? | a ph
| Draw and label the male and female sex cells? | s and e
| Name two things that pass from the mothers blood to the foetus' blood in the placenta? | o n
| How is the foetus protected from knocks and bumps? | af
| Draw and label an unspecialised plant cell? | a
| Draw the circuit symbols for a switch, cell and bulb. | a
| How do particles in a solid move? | v
| Would your weight change if you were on the moon? if so why? |
| How can we measure forces? | nm
| What is the weight of a 20kg box on Earth? | 200N
| What 3 things can forces do to an object? | sh si d |
