NEW
Font size
S
M
L
XL
WorksheetsThermal Expansion of solids
Total questions: 11
Worksheet time: 10mins
Name
Class
Date
1.
What is Thermal expansion?
a)
The transfer of thermal energy between materials by the collisions of particles
b)
Is a decrease in a materials volume when temperature decreases
c)
An increase in a materials volume when temperature increases
d)
Chicken fried rice
2.
Objects gain heat and _________.
a)
expand
b)
contract
3.
When temperature increases, distance between molecules ______________.
a)
decreases
b)
increases
c)
stays the same
5.
What happens to the molecules of a solid when it is heated?
a)
Slow down
b)
Speed up
c)
Don't change speed
d)
Shrink
5.
What happens to the molecules of a solid when it is heated?
a)
Slow down
b)
Speed up
c)
Don't change speed
d)
Shrink
6.
Choose the symbol which denotes the 'coefficient of expansion'
a)
θ
b)
ρ
c)
Σ
d)
α
7.
What does the following symbol 'Δ' denote?
a)
Sum of
b)
Coefficient of Expansion
c)
Change in
d)
Temperature
8.
Select the correct formula to calculate linear change in length...
a)
ΔL = LαΔT
b)
ΔT = ΔL/Lα
c)
σ = F/A
d)
ε = ΔL/L
9.
Calculate the change in length of a 100mm aluminium bar that has increased in temperature by 55⁰C.
Take the coefficient of expansion to be 25 x 10-6
Take the coefficient of expansion to be 25 x 10-6
a)
0.258mm
b)
0.1375mm
c)
1.23mm
d)
1.37mm
10.
Select the correct formula to calculate change in temperature.
a)
ΔL = LαΔT
b)
α = ΔL/LΔT
c)
ΔT = ΔLαL
d)
ΔT = ΔL/Lα
11.
Calculate the change in temperature of an 900mm aluminium bar, that has increased in length to 901.035mm.
α = 25 x 10-6
α = 25 x 10-6
a)
12oC
b)
34.5oC
c)
57oC
d)
46oC
Reset
