Heat, Motion and Time Sample Questions for Class 7
Question 1
The distance between Pune and Delhi 650 km.
The car travels with speed of 50 km /hr
How much time it will take to reach from Pune to Delhi?
A. 13 hours
B. 8 hours
C. 10 hours
D. 12 hours
Question 2
Which of the following liquid can be used in thermometer instead of Mercury?
A. Water
B. Glycerine
C. Alcohol
D. Vinegar
Question 3
Arrange in descending order of their expansion on heating .
Water, Air, iron, brass
A. Air,water,brass,iron
B. Iron, brass,water,air
C. Brass,iron,water,air
D. Air, water, iron, brass
Question 4
Which of the following is an example of uniform motion?
A. A train going along a track on steady speed
B. A car traveling on the busy street
C. A rolling ball is stopped by the player
D. A man running in 400 m race
Question 5
Reena cuts potatoes and cooks it which change is it?
A. Chemical change
B. Physical change
C. Both a and b
D. None of the above