Conversion factors activities
PHYSICS AND CHEMISTRY
Name:
Date:
2ºESO
1. From the following conversion factors :
1. Cross out those which are not correct.
2. Circle in red colour those which allow you to convert from any fraction or multiple to m.
3. Circle in blue colour those which allow you to convert kg to any fraction or multiple or any
other mass unit.
4. Draw a square surrounding those which allow you to convert time units.
A.
1m
100cm
T.
1μm
106 m
1min
60s
1dia
H.
24h ora s
1m
G.
106μm
N.
B.
O.
1m m
10−3m
1000ml
1L
U.
P.
C.
1000g
1kg
3600s
I.
1h ora
1m 2
10 4cm 2
1m m
10−3m m
V.
Q.
1m 3
10d m 3
D.
100m m
1m
100s
J.
1min
1m 3
1000d m 3
W.
1m 2
100d m 2
E.
1m
1000m m
10hg
K.
1kg
R.
1m 2
100cm 2
S.
1m
103m m
10 2 d ag
M.
1kg
1kg
L.
10hg
1m 3
103d m 3
X.
F.
1L
1d m 3
Y.
1m 2
1000cm 2
2. Use the conversion factors required to make the following unit conversions. Follow the steps
given in the example.
1,3 g en kg ——>
1,3g =1,3g·
1kg
=0,0013g =1,3·10-3kg
1000g
1. 1,3horas en s
2. 18g en kg
3. 300mL en L
4. 25L en dm3
5.
0,3m2 en cm2
6. 25L en m3
3. In the lab, you have obtained the following measurements from an object:
M=102,6g; V=38cm3.
Obtain its density, in g/cm3 and then in SI units.