Chapter No. 8Science 8

chapter No.8 Test 4

Student’s Name:____________Admission No.______Roll No._____Section:______
Paper: Science   Class: 8                   Time Allowed:    One Hour                           Marks: 15 

Checked by:_______________ Rechecked by:_____________ Sign Invigilator:_____________

Q1. Circle the correct answer.  (10)

1.A length of 60mm is equal to:
a) 0.6m                  b) 0.06m                  c) 0.006m                d) 0.0006m
2.A particular unit of volume is:
a) litre                    b) mL                      c) mm                        d)mL3
3.The quantities which can be measured are called:
a) Vector quantities             b) Chemical quantities              c) Physical quantities               d) Mechanical quantities
4.Kilo means:
a) 10th times               b) 100th times             c) 1000th times                d) 10000th times
5.Sub-multiple of time:
a) 100cm                b) 10-3g                    c)10-3kg                            d) 10-4s
6.Physical quantities are:
a) Magnitude              b) Unit                 c) Direction                d) Magnitude and unit
7.Centi means:
a) 10th part               b) 100th part                  c) 1000th part                d) 10000th part
8.Measuring instruments are used to measuring some:
a) Chemical quantities              b) Physical quantities            c) Vector quantities           d) Mechanical quantities
9.A measuring cylinder is used to measure the:
a) Volume of a liquid             b) Quantity of a liquid               c) Unit of a liquid               d) Condition of a liquid
10.Flask is made of:
a) Glass                b) Plastic               c) Iron           d) Glass or plastic

Q2.Write short answers to these questions:          (15)
1.What are measuring instruments?
2.The height of a student is 150 cm .What is his height in meters?
3. What do you know about prefix?
4.How parallax error occur?
5.Define unit?

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