WorksheetsGrade 7 Science 1 MT 3
Total questions: 20
Worksheet time: 10mins
Volume of liquids can be measured by using different instruments which includes:
measuring cylinders
burettes or pipettes
measuring cups
all of them
1 litre is equivalent to
100 mL
1000 mL
10 mm
10 kg
Length of distance which is covered in specific time is called
distance
displacement
speed
forces
Space which is occupied by a substance is measured in:
density
area
volume
mass
Which of the following could not be a unit of speed?
km/h
s/m
m/s
mm/s
Which of the following types of motion is not exhibited by the earth moving around the sun?
Circular
Rotational
Rectilinear
Periodic
The most appropriate unit for expressing the speed of a space rocket is:
m/s
km/s
km/h
km/min
The instrument installed in a car for measuring the distance travelled by the car is called:
barometer
speedometer
anemometer
odometer
Which of the following could not be a unit of speed?
km/h
s/m
m/s
mm/s
The SI unit of mass is
newton
kilogram
newton/kg
gram
Which of the following is not a sublimable substance?
Sodium chloride
Dry ice
Camphor
Ammonium chloride
In which of the following process a gas changes directly into a solid?
Sublimation
Evaporation
Melting
Deposition
in which of the following cases gas is used in compressed form?
LPG as cooking gas
Oxygen cylinders used in hospitals
CNG used in vehicles
All of these
Which of the following are chemical changes?
A. Decaying of wood
C. Sawing of wood
B. Burning of wood
D. Hammering of nail into wood
A and B
B and C
A and C
B and D
Which one of the following is not a chemical change?
Formation of curd
Ripening of banana
Sublimation of naphthalene
Corrosion of photo frame
Which of the following is a chemical change?
Lifting up a chair
Filling a glass with orange juice
Cooking rice
Bursting a balloon
When ice melts to form water, then a change occurs in its
position
temperature
state
composition
Find out the mismatched pair among the following.
Desirable change: Destruction caused by floods
Undesirable change: Pollution caused by floods
Exothermic reaction: Reaction between water and quick lime
Endothermic reaction: Melting of ice cubes
Which of the following chemical changes is a useful change?
Rusting of iron
Ripening of fruits
Burning of LPG
Blackening of silverware
Which metal is deposited on iron surface in galvanisation process?
Zinc
Sodium
Silver
Chromium
