Scientific Method Question Preview (ID: 34905)


Variables, Data.

Which of the following describes a law
a) a statement fact that describes an action
b) an explanation based on evidence
c) an educated guess
d) the one and only answer to a problem

Which of the following is an inference?
a) the bird laid 3 eggs
b) the bird has black feathers
c) the bird wished she had 5 eggs
d) the bird had a beak and 2 eyes

What is the information collected during an experiment called?
a) data
b) a theory
c) a law
d) a hypothesis

Which of the following is a hypothesis?
a) If I study everyday, then I will do well on the test
b) gravity pulls objects toward the earth at 9.8m/s^2
c) I hope the cowboys win
d) the litmus paper turned blue

Which of the following is a constant for the following experiment: A student wanted to test the effect of temperature on dry erase markers. He put one maker in the freezer and left one in room temp. for 45 minutes. He then wrote 1 word on the board.
a) the temperature
b) the effectiveness of the marker
c) the time the markers were left in certain temperatures
d) the results of the experiment

Which of the following is an example of qualitative data?
a) the solution turned cloudy
b) 4 puppies were born
c) the ant crawled 4cm
d) the plant grew 9cm

A student wanted to find out which brand of paper towel absorbed the most water. What is a constant?
a) the brand of the paper towel
b) the amount of water absorbed
c) the size of the paper
d) the results of the experiment

An experimenter wanted to find the best spray to clean her bathtub. She used 409, scrubbing bubbles, and plain water. what is the control in her experiment?
a) type of cleaner
b) plain water
c) the effectiveness of the spray
d) the amount of time each cleaner was left on the bathtub

Which of the following describes a theory?
a) an educated guess
b) a statement of fact that describes an action
c) an explanation based on evidence
d) the one and only answer to a problem

A student wanted to find out which brand of paper towel absorbed the most water. What is the dependent variable?
a) the brand of paper towel
b) the amount of water absorbed
c) the size of the paper towel
d) the results of the experiment

In the following hypothesis, identify the independent variable: If the temperature of water is higher, then the faster an egg will boil.
a) amount of water
b) temperature of water
c) time it takes an egg to boil
d) the size of the egg

Which of the following is an example of quantitative data
a) the plant grew 9 cm
b) the cat meowed loudly
c) the solution turned blue
d) only males were affected

How many independent variables should an experiment have?
a) 1
b) 2
c) 3
d) 4

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