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WorksheetsConcept Recall - UNIT 1
Total questions: 16
Worksheet time: 11mins
Christopher wanted to learn more about
Ganymede, one of Jupiter’s moons. Which
of the following sources of information
would be Christopher’s best choice?
his friends
the local newspaper
a neighborhood survey
a university’s astronomy web page
Taylor made some observations and has a
question she would like to answer. What
should Taylor do next?
form an opinion
analyze evidence
plan and conduct an investigation
draw conclusions and communicate
results
Joseph wonders what kinds of birds live in
his neighborhood. What skill will Joseph
use to investigate the variety of birds in his
neighborhood?
infer
observe
order
communicate
Scientists conduct investigations. What
is the main reason for scientific
investigations?
to practice doing experiments
to learn about recent discoveries
to demonstrate scientific procedures
to answer questions about the natural
world
Sometimes scientists replicate the research
of other scientists. Which of the following
is the most likely reason scientists do this?
to form new theories
to improve the research
to win prizes for their work
to verify that the work is accurate
The following graph shows the estimated
number of mice in a field. What is a reasonable prediction to make
from this graph?
The number of mice will drop.
The number of mice will level off.
The number of mice will continue to
increase.
The future mouse population cannot
be estimated.
The chart shows the steps of a scientific
method. Which statement is true of this scientific
method?
It should be considered a flexible
guide.
It lists each step according to
importance.
It is the only one that scientists use.
The results should not be
communicated if you don’t like them.
Rosa conducts an experiment. Her results
do not support her hypothesis. What
should she do?
Repeat the experiment to check for
errors.
Change the results to support the
hypothesis.
Discard the data because it does not
agree with her hypothesis.
Try to make an experiment that will
give her the results she wants.
Models allow scientists to test things that
might be too expensive or difficult to test
using the real item. Which of the following
would be an investigation that could use a
model?
whether a new spray will repel
mosquitoes
how many times per day a robin
leaves her nest
how much weight a new bridge can
support
how much water a cubic meter of
sand can hold
A hypothesis must be testable. Which
hypothesis is testable?
Blue is the best color.
Summer is nicer than fall.
Dogs are better than cats.
A beagle can jump higher than a
Persian cat.
A scientific method is a way to investigate
a scientific problem. Although the order of
steps can vary, the tasks performed during
each step often stay the same. During
which step of the scientific method would
a scientist collect data?
developing a plan
forming a hypothesis
testing the hypothesis
communicating the results
You want to know if the mass of a paper
airplane or the height from which it is
released affects how far the airplane will
fly. Which variable should stay the same in
the experiment you would conduct?
the mass of the plane
the distance traveled
the height the plane is released from
the material the plane is made from
The graph below shows how long it took
students to catch a ball after it was
dropped. What conclusion can you draw?
On both tries, students caught the ball
in the same amount of time.
.
.
Students always take less time on
their second try
Students always take more time on
their second try
Students averaged one second faster
on their second try
Students are placing books under a ramp to
change the ramp’s height. Then they are
measuring how far a toy car travels when it
is released at the top of the ramp. Which
data table should they use?
A
B
C
D
Cobie is testing how the amount of
fertilizer affects the height of plants.
Which variable does not need to be
controlled?
the amount of fertilizer
the height of the plants
the amount of water each plant gets
the location of the plants
Miguel’s father collects earthworms at night. Miguel wonders whether earthworms prefer dark.
He fills a long trough with soil and covers one side with dark paper to keep out light. On the
other side, he shines a light. He places the earthworms in the middle of the trough and observes
them to see where the worms are after 10 min. He repeats this three times. write your Hypothesis for this experiment . which organisational
organizational tool to help Miguel collect data.
