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Worksheets1. Science Processes and Skills
Total questions: 50
Worksheet time: 28mins
What process skill requires one to use hi/her body senses?
Observing
Inferring
Measuring
Classifying
Interpreting a given observation requires one's opinion and judgment. This skill is called ____.
Measuring
Guessing
Hypothesizing
Inferring
Which of the following is an example of an observation and not an inference?
I think it's going to rain this afternoon.
People are getting bored staying home because of the total lockdown,
I just picked a dozen of fresh and red tomatoes in the garden.
She really looks stunning as she moves on the ramp.
If the mass of a paper plane is increased, then its flying time also increases. This statement is called a/an ____.
inference
hypothesis
prediction
observation
The factor that a researcher intentionally changes in his experiment is known as ______ variable
controlled
dependent
independent
responding
Some students tested the effect of increasing the size (surface area) of a coin on the number of water droplets it could hold. All of the following factors should be kept constant, EXCEPT:
size of dropper
size of coin
size of droplets
coin material
Which of the types of graph below is the most appropriate to use if the independent variable is quantitative and continuous?
bar graph
pie graph
pictograph
line graph
In which of the following situations is using a line graph more appropriate than a bar graph?
A seed was planted. As the plant grew, it was measured (in cm) over a six-day period.
Tomato plants were grown at various temperatures (in degrees Celsius). The number of tomatoes that grew on each plant was counted.
Students in a science class were asked what type of pet they have. The number of each type of pet was recorded.
Different types of balls were bounced from a table top. The height of each bounce was measured (in cm).
Which two of the following laboratory instruments are the most appropriate to use to determine the density of an unknown irregular solid?
an equal-arm balance and a meter stick
a triple-beam balance and a graduated cylinder
a weighing scale and a beaker
a digital balance and a ruler
Which of the processes below is the most important step to do when a science researcher wants to test his hypothesis?
make a social survey
gather information in the library
conduct an experiment
interview experts in the field
Which of the following factors LEAST affect the precision and accuracy of doing measurements?
knowledge and skill of the person measuring
degree of calibration of the instrument
nature of the variable being measured
temperature and humidity of the working area
The instrument used by James in measuring the mass of a piece of wooden block has its smallest calibration at 0.1 gram. Which of the following measurements should he record?
75 g
75.0 g
75.00 g
75.000 g
A science researcher found that his experimental data and analysis tend to contradict his hypothesis. What should he do next?
Reject the hypothesis and use it as basis of your conclusion.
Repeat the experiment until it supports the hypothesis.
Accept the hypothesis and consider your research as a failure.
Change your hypothesis and repeat the experiment.
Which of the partial steps below is correct in following the scientific method of solving a problem?
Hypothesizing---->Observing ----> Experimenting ----> Concluding
Observing---->Hypothesizing---->Experimenting----> Concluding
Concluding---->Experimenting---->Hypothesizing---->Observing
Experimenting---->Observing---->Hypothesizing---->Concluding
On her way to school, Julie saw a large tree uprooted and blocking the road. She inferred that there must have been a --------- in the area the other night.
tornado
earthquake
bush fire
civil unrest
"If people in a community stay at home most of the time, then less number of residents will be infected of the Covid-19 virus". Which of the following variables is/are correctly identified?
Number of people staying home --- Independent Variable
Number of residents being infected --- Dependent Variable
Number of residents who get financial help --- Controlled Variable
Two or more of the options given
You woke up this morning and found your gold fish in the aquarium dead. Which of the following LEAST likely caused the fish's death?
The water was already unclean and polluted.
The fish might have eaten a poisonous food.
The oxygen supply in the aquarium was cut.
The fish was accidentally electrocuted.
All of the following are considered continuous data, except:
1.5 million respondents
5 feet and 6 inches
9.8 m/s2
365 and 1/4 days
When the quantitative data are in the ratio scale, the best measure of central tendency to use is the ____.
mean
median
mode
standard deviation
The best measure of variability for data that are qualitative and discrete is the _____.
standard deviation
variance
range
frequency distribution
These kind of observation use your senses to observe results.
Qualitative
Quantitative
Scientific
These kind of observations are made using instruments such as rulers, balances and thermometers.
Qualitative
Quantitative
Scientific
It feels smooth.
Qualitative
Quantitative
It tastes sweet.
Qualitative
Quantitative
The leaf is 5mm wide.
Qualitative
Quantitative
It makes a loud crackling sound.
Qualitative
Quantitative
The temperature of the room is decreasing by 4 degrees Celsius.
Qualitative
Quantitative
The mass of the chocolate cake is 250 g.
Qualitative
Quantitative
The flower has 6 petals.
Qualitative
Quantitative
The liquid is a pink color.
Qualitative
Quantitative
