Tuesday Warm Up
October 22
A glass beaker is placed on a hot plate. Five
hundred milliliters of room temperature water are
added to the beaker. If the temperature continues
to increase, the water in the beaker will most
likely-
A turn into a solid
B become more dense
C turn into a gas
D show no change in temperature
Water changes its state of matter when heat is
added or taken away. When water reaches its
boiling point the particlesA are closer together
B stay the same
C are moving more rapidly
D are moving more slowly
The temperature of water in a beaker measures
87˚C. How many more degrees must the
temperature increase to reach the boiling point?
A 23˚C
B 13˚C
C 212˚
D 100˚C
A cotton ball was catapulted from 2 different sized paper clips.
The table below shows the distances the cotton ball traveled.
Paper
Clips
Trial 1
Trial 2
Trial 3
Large Paper
Clip
10 cm
14 cm
19 cm
Small Paper
Clip
8 cm
5 cm
8 cm
Which conclusion is best supported by the results shown in the
table?
A A cotton ball travels farther when launched from a small paper
clip
B Using a large paper clip allows the cotton ball to travel farther
C A cotton ball does not travel as far when launched from a large
paper clip
D Using a smaller cotton ball allows it to travel even farther.
A cotton ball was catapulted from 2 different sized
paper clips. The table below shows the distances
the cotton ball traveled.
What variable was tested in the cotton ball
experiment?
A size of the cotton ball
B size of the paper clip
C distance the cotton ball traveled
D type of catapult
A cotton ball was catapulted from 2 different sized
paper clips. The table below shows the distances the
cotton ball traveled.
What is the significance of conducting three trial runs
for the cotton ball experiment?
A Conducting three trials shows the differences in the
way the experiment was done.
B The results of two of the trial runs are incorrect and
need to be redone.
C Repeating the investigation increases the validity of
the results.
D It is fun to repeat the investigation a observe cotton
balls traveling through the air.