Heat, Motion and Time Sample Questions for Class 7
Question 1
Which of the following will show greater effect of heating?
A. Heating a iron bar
B. Heating of air
C. Heating of water
D. Heating of alcohol
Question 2
Which of the following is correct statement about heat?
A. Heat moves from one substance to another when they have same temperature
B. Heat can cause contraction of a substance
C. Heat has same effect on solid , liquid and gas
D. Heat increases kinetic energy of the molecules of a given substance
Question 3
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 4
Which of the following is incorrect statement?
A. Heat is form of an energy
B. Heat can cause increase or decrease in temperature
C. Heat affects living organisms
D. Heat causes chemical changes
Question 5
The speed of bike is 10km/hr. How much distance will it cover in 450 seconds?
A. 125 km
B. 1.25km
C. 1250km
D. 12.50km