NEW
Font size
WorksheetsSci Method 6.1ab
Total questions: 10
Worksheet time: 5mins
In a well designed experiment, you should change how many variables?
only one
no more than two
none at all
as many as are needed
What is the purpose of having constants in a scientific experiment?
To make the experiment more interesting
To ensure only one variable is tested
To change the results
To increase the number of variables
Kai wants to find out how the amount of sunlight affects the growth of his plants. What do you call the thing Kai changes on purpose in his experiment?
Dependent variable
Independent variable
Hypothesis
Conclusion
Which statement best describes an independent variable in a scientific investigation?
The factor that is changed on purpose by the experimenter
The conclusion drawn from the results
The factor that is kept the same throughout the experiment
The factor that is measured during the experiment
If you want to test whether a ball bounces higher on tile or grass, what could be your hypothesis?
If the ball is bounced on tile then it will bounce higher
The ball is blue
If the grass is green then the ball will bounce higher
The tile is smooth
Which of the following best describes a hypothesis in a scientific investigation?
a possible explanation that can be tested
the data collected during an experiment
the equipment used in an experiment
a summary of the results
Which of the following is the dependent variable in an experiment testing how the amount of water affects seed germination (sprouting)?
The number of seeds that sprout
The type of seed used
The size of the pots
The amount of water given
Which statement is an example of a testable hypothesis?
If plants are given fertilizer, then they will grow taller.
Some plants are green.
Fertilizer is sold in stores.
Plants are pretty.
How much sunlight do plants need?
What is the best pot to use?
Good science only changes one independent variable at a time.
True
False
