Test Structure of an Atom + Force and Motion

 

#ForceAndMotion


Test Structure of an Atom +  Force and Motion


Fatima Foundation School


Class 7th                                                                       

Test No. 2  Science     

 Time............                                                                   

Total Marks...........

Short Questions  

Q. 1 What are the benefits of arranging elements in the periodic table?

Q.2 Why are elements arranged in the periodic table?

Q.3 Differentiate between a contact and non-contact force.

Q.4 Define and  state the unit of force.

Q.5 Describe the relationship between speed,distance and time.

Definitions

1. Mass Number    2. Neutrons      3. Protons  4. Applied Force   5. Drag Force

Long Questions

Q.1  Draw the structure of an and describe how an atom  is neutral.

Q.2 Explain the periodic table in terms of periods and groups.

Q.3 Why do you move forwards and a boat moves backwards when you jump from a boat to dock? Explain in detail.

Q. 4 Tick the correct option

1. An atomic number is represented by..............

a. A                              b. N                        c. X               d. Z

2. The atomic number of oxygen is................

a. 4                               b. 8                         c. 12              d. 16

3. SI unit for speed is ..........

a. km/s                          b. kms                    c. s/m            d. m/s


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