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Brainpop: Intro to the Scientific Method Flashcards | StudBud
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Brainpop: Intro to the Scientific Method
Brainpop: Intro to the Scientific Method
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Scientific Method - BrainPOP
Flashcards
18 cards
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Practice quiz
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Questions
18
Answers
1
What might cause a theory to change over time?
new laws passed by the government
new but untestable ideas
changes in public opinion
the discovery of new evidence
2
What was the first thing Moby and Tim did
Asked a question "Why is the plant dying"
Made an observation that the plant was dying
Made an inference "The plant is being over watered"
Conducted an experiment
3
What was the variable that Tim and Moby purposely changed?
Type of Plant
Amount of water
Amount of sunlight
4
Which of the following describes a manipulated or independent variable
Plant C,D
The variables that stay the same sunlight, pot, plant
The plant that does not get water
The variable that is purposely changed - amount of water
5
What's the difference between a hypothesis and a theory?
hypotheses can't be proven; theories can
theories contain many hypotheses; hypotheses have 1 theory
Theory another word 4 fact; hypothesis another word 4 guess
theories have been confirmed by tests; hypotheses haven't
6
What must you do before you make a hypothesis?
form a theory
make observations
Run an experiment
draw conclusions
7
Place steps in order: A) Recognizing a problem; B) Testing a hypothesis; C) Drawing inferences
A,C,B
B,C,A
C,B,A
A,B,C
8
Which plant is part of the control group
Plant B
Plant C
Plant D
Plant A
9
What is the BEST question for their experiment?
How does the amount of water affect plant growth?
Why does too much water kill plants?
How much sunlight do plants need?
Why are Moby's plants dying?
10
Which of the following describes a responding or dependent variable
Plant C,D
Plant growth - it depends or responds to the amount of water
The variables that stay the same sunlight, pot, plant
The variable that is purposely changed - amount of water
11
What variable did Tim and Moby keep the same?
All - Soil, plant, and sunlight
Type of soil
Type of Plant
Amount of sunlight
12
Which of the following is a testable hypothesis?
humans will someday land on mars
roses are more beautiful than violets
a plant needs at least 5 hours of sunlight per day to grow
ice cream is delicious
13
What did Tim and Moby Hypothesize/Predict
Plants watered once a week would grow the best
Plants that were watered everyday would grow the best.
Plants watered only once a week would die
14
What is an inference
A hypothesis
An observation
A conclusion about an observation
15
Which plant received no water
Plant B
Plant A
Plant D
Plant C
16
Which plant(s) are part of the experiemental group
Plant B,C,D
Plant B,C
Plant C,D
Plant A,B
17
What happens if you test hypothesis multiple times & the data doesn't support your prediction?
conclude that your hypothesis cannot be proven
run the experiment again until you get the results you want
re-think your hypothesis
change the data to support your prediction
18
What did Tim and Moby predict
The plants were not being watered enough
The plants were not getting enough sunlight
The plants were being watered too much
