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WorksheetsScientific Investigation Practice
Total questions: 21
Worksheet time: 16mins
Anything that can change in an experiment is called...
a variable
an aim
a hypothesis
a conclusion
A hypothesis is...
a question you are trying to answer
a statement of a possible outcome for the experiment
the method for the experiment
what you want to find out in the experiment
What is the dependant variable in this graph?
temperature
sugar and salt
amount of solute
amount of water
The type of graph shown here is a bar graph. This data is shown as a bar graph because...
the data is all numbers
there are categories and numbers
the data is percentages
the trash is different colours
What was the temperature recorded in August 2011?
75 degrees
79 degrees
80 degrees
83 degrees
The result at the end of an experiment is called...
a prediction
an observation
a conclusion
an aim
Safiya wants to test which brand of popcorn pops the most kernels. She picked a store brand, Orville Redenbacher, and PopSecret. All three bags started with the same number of kernels. She popped each for 3 minutes in the same microwave, and then counted the number of kernels left over. What is her independent variable?
Brand of popcorn
Number of kernels left over
Number of kernels before popping
Length of time the popcorn was in the microwave
Florence wants to test the effects of type of exercise on heart rate. What is the dependent variable in this investigation?
heart rate
type of exercise
amount of exercise
time of day exercise occurs
Tara conducted an experiment to test the movement of a marble through four different liquid substances. Looking at the figure designed by the student, what is an error in her experiment?
The amount of liquid substances in each test tube is not the same.
The type of marble used in each test tube is not the same.
The type of liquid substances are not labeled correctly.
The marbles are not dropped from the same distance.
What is the independent variable in the following hypothesis?
HYPOTHESIS: If I spend more time studying, then my marks in Natural Sciences will improve.
An improvement in marks
Location for studying Natural Sciences
Time spent studying
Playing soft music in the background
What happened to the otter population between 1940 and 2000?
The population increased and then decreased.
The population continued to increase.
The population continued to decrease.
The population stayed the same.
For scientific data to be considered accurate and reliable, tests should be...
repeated no more than 2 times.
conducted 3 times.
conducted only 1 time.
conducted as many times as possible.
What is the dependent variable in the following hypothesis?
HYPOTHESIS: If I add fertilizer to my flowers, then the flowers will grow taller.
Fertilizer
Flower height
Number of flowers on each plant
Amount of time flowers took to bloom
What type of graph would you use to compare the price of a pair of shoes at five different stores?
Line graph
Pie graph
Bar graph
Histogram
What is the independent variable in this experiment?
type of plant
amount of water given to plant
amount of sunlight
size of pot
Fixed variables...
are always changing
are kept constant
must stay independant
must be measured with a ruler
What is the dependent variable in this experiment?
how much water the plant gets
how the plant grows
the size of the pot
height of the plant
What kind of graph would you use to show a company's sales over a year?
Pie graph
Line graph
Histogram
Bar graph
What is the first step of the scientific method?
Analyze Surroundings
Gather information
Draw conclusions
Ask a question
Different rose bushes are grown in a greenhouse for 2 months. The number of flowers on each bush was counted at the end of the experiment. The independent variable is ...
2 months
Different rose bushes
Number of flowers
Number of bushes grown
Which of the following is NOT part of the scientific method?
Drawing conclusions
Collecting data
Planning an investigation
Asking opinions
