Writing Unit 3 Kinds of sentences
Exercise 1.
1. A generator produces electricity. (SV)
2. A compound consists of more than one element. (SV)
3. Mercury and Mars are planets. (SSV)
4. He boiled and then cooled some water. (SVV)
5. A magnet attracts or repels metal objects. (SVV)
6. Stainless steel and aluminum are rust-proof. (SSV)
7. He cleaned and put the flasks and test tubes on the shelves. (SVVOO)
8. A thermometer measures temperature. (SVO)
9. They washed and dried their hands. (SVV)
10. Atoms are tiny. (SV)
11. Oil and natural gas are fossil fuels. (SSV)
12. Copper and aluminium are ductile and conduct electricity. (SSVV)
Exercise 2.
1. Oil and wood float on water.
2. An acid reacts with other substances.
3. A square has four sides.
4. Carbons and hydrogen are elements.
5. An atom has elements of one kind.
6. Earth rotates and revolves fairly fast.
7. Volcanoes kill people and earthquakes destroy buildings.
8. Asia and Africa are big continents.
Exercise 3.
1. Solids have fixed molecules.
2. Liquids have no definite shape.
Writing Unit 3 Kinds of sentences
3. Gas has no definite shape or volume.
4. Liquids and gasses have no definite shape.
5. Liquids and gasses are easy to compress.
6. Liquids and gasses have no definite shape or volume.
7. Gas takes the shape of the container.
8. Solids have fixed molecules.
9. Solid is difficult to compress but, gas is easy to compress.
Exercise 4.
1. We can’t take Math 102 and we can’t take Biology 114.
2. Plants need water and air.
3. You can use Lab2 today and on Monday.
4. Copper conducts electricity. Aluminium conducts electricity.
a. Copper conducts electricity and aluminium conducts electricity.
b. Copper and aluminium conduct electricity.
5. Petroleum and coal are fossil fuels.
6. We can use stainless steel or we can use aluminium.
7. Ibn Sina was a famous Muslim scientist and a doctor.
8. They couldn’t use iron or lead.