Oscar Academy Under the Supervision of Ministry of Education and Higher Education

تتجدد ... وثقة متزايد عطاء2017-2018

Revision Worksheets

Subject: Science Grade 6

Name: _______________________________

Q1. Write TRUE if the sentence is correct and FALSE it is wrong

_______ 1. All metals are pure elements.

_______ 2. It is safe to take someone else's medicine if it came from a pharmacist.

_______ 3. You should only take drugs prescribed by a doctor, a health worker or a pharmacist.

_______ 4. All metals conduct electricity.

_______ 5. Winds blow from areas of low pressure to areas of higher pressure.

________6. All chemical reactions require heat to make them take place

________7. When the humidity is 80% the weather feels hot and sticky.

________8. Rusting is an example of a chemical reaction.

________9. The hole in the ozone layer is centered over the equator.

________10. All metals are magnetic

Q2. Read the sentences carefully and select the one correct answer for each question

1. The links that hold atoms together to make molecules? a. Bonds b. Element

2. A substance in which the atoms of two or more elements are bonded together? a. Compound b. Element3. A reaction that takes place when atoms and/or molecules combine and new molecule form? a. Chemical reactions b. Electrolysis4. The smallest particle that makes up an element? a. Compound b. Atom5. A substance that neutralizes an acid?

a. Base b. Salts6. Drugs that fight disease and pain?

a. Medicine b. Dose7. A substance that changes color to show if a solution is acid or alkaline?

a. Base b. Indicator8. The amount of a medicine you should take?

a. Dose b. Drugs9. A base that dissolves in water.

Note: This material is only a sample of question for revision and not an exam. Students must study from the given syllabus.

Metal Electrodes Battery Dilute acid Gas Bubbles

Sulphur Sodium Aluminum Nitrogen Boron Silicon PhosphorousLithium Hydrogen Magnesium

a. Alkali b. Bonds10. A chemical reaction brought about by an electric current ______

a. Electrolysis b. Rusting

Q3. Write the elements next to the correct symbols to complete the table

Q4. Label the following Rain Gauge with the words given in the box.

Note: This material is only a sample of question for revision and not an exam. Students must study from the given syllabus.

Symbol Element Name1. H

2. Na

3. Li

4. Mg

5. B

6. Al

7. N

8. Si

9. P

10.S

Saltpeter Epsom salts Borax Washing Soda

Q5. Write down the correct name of the following weather measurements with the words given

in the box

An anemometer Thermometer Barometer Hygrometer Rain gauge A wind vane

__________________________ ____________________________ _________________________________

___________________________ _________________________________ __________________________________

Q6. Choose the common names for these salts and write your answers in the given table?

Note: This material is only a sample of question for revision and not an exam. Students must study from the given syllabus.

Slat Common NameSodium Carbonate

Sodium borate

Magnesium Sulphate

Potassium Nitrate

Question7. Match each item in Column A to the correct definition in Column B and write correct answer in answer column.

Q8. Define the following and give example

Acid:

_____________________________________________________________________________________________________________________

_____________________________________________________________________________________________________________________

Alkali:

_____________________________________________________________________________________________________________________

_____________________________________________________________________________________________________________________

Atom:

_____________________________________________________________________________________________________________________

_____________________________________________________________________________________________________________________

Molecule:

_____________________________________________________________________________________________________________________

_____________________________________________________________________________________________________________________

Q9. Draw the following weather symbols.

Note: This material is only a sample of question for revision and not an exam. Students must study from the given syllabus.

Sunny intervals Strong north winds

Pressure Temperature Thunderstorm

Answer Element: Column A Column B

1._____ Acid a. A substance that neutralizes an acid

2._____ Alkali b. A substance produced by the reaction between an acid and a metal or a base.

3._____ Base c. A base that dissolves in water

4._____ Salt d. A chemical compound that reacts with metals and bases to produce salts.

5._____ Inert gas g. magnesium

6._____ Black solid h. helium

7._____ Flammable Gas i. carbon

8.____ Flammable Metal j. hydrogen

Q10. Write down the names of 4 weather measurements?

1. _________________________________________________ 3. ____________________________________________

2. _________________________________________________ 4. ____________________________________________

Q 11. Write the names of the metallic elements and metallic alloys metals in the correct

column.

Q12. Draw the following molecules.

Note: This material is only a sample of question for revision and not an exam. Students must study from the given syllabus.

Metallic Elements Metallic Alloys

c) Hydrogen Molecule

d) Water Molecule

a) Oxygen Molecule

b) Nitrogen Molecule