) Finish the following dialogue with one word:

Teacher : Today , we are going to ------------- a science experiment?

Student: Are we going to the science -----------------

Teacher: Yes , everyone will do the experiment ------------ himself.

Student: Ok , I like doing -----------------------.

1- If you --------------- two and two you get four.

2- If you throw a stone in water , it ------------------ to the bottom.

3- -------------- I am tired , I go to bed .

4- Students go to the science lab to do ------.

5- You should -------------------- your shoes before praying.

6- Would you like to have ----------------------juice or coca cola?

7- The balloon which is filled with hot ---------------------------- rises

8- What happens if you -----------the orange and put it in water?

9- If something has enough air in it , it ---------- sink.

1- Can you ( peel – drink – throw – eat ) the potatoes after washing them ?

2- Fire fighters ( added – poor – poured -drank ) water on the fire to stop it.

4- We add ( juice – ice – petrol – oil ) to the food when we cook.

5- Stones ( float – think – dive – sink – walk ) in water.

6- You can ( kill – fill – add – full ) the balloon with air.

7- Add sugar to your coffee and ( stir – pour – fill – eat ) it

8- ( Drink – Eat – Pour – Made ) the tea for your father.

9- Ice ( stirs – pours – heats – melts ) in the sun.

10- Put the food on the cooker to ( heat – hot – cool – pour ) it

11- The balloon is full of ( petrol – oil – water – rice ) so it flies high.

12- We will give prizes to the first , the second and the ( three – four – five – third )

1- What did the birds find on the beach?

2- Who saw the Iron man first?

3- The farmers drive ( cars – bikes - tractors– buses ) and use them on a farm

4- A ( tractor – deep – cliff – trap ) is averyhigh ground near the sea.