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Scientific Method
Experiments
More experiments
Laws? Theories?
All science
100
The part of an experiment that is changed or manipulated by the scientist.
What is the independent or tested variable?
100
What is a testable proposed answer to a problem? A) Theory B) Hypothesis C) Prediction D) Empirical
What is a Hypothesis?
100
An experiment is a specific test of a __________. A) theory B) hypothesis C) control D) variable
What is hypothesis!
100
Explanations of natural phenomena supported by large amounts of data are called __________. a. experiments b. theories c. hypotheses d. laws
Theories!
100
This type of rock is formed when exposed to extreme heat and pressure.
What is metamorphic rock?
200
The result of the experiment. You have no control over this.
What is the dependent or outcome variable?
200
When you REPEAT your own experiment.....
What is Repetition?
200
Which of the following questions is legitimate for science to consider? A) Is competition good or evil? B) How many seals can a killer whale consume per day? C) When is religion better than philosophy?
What is B!
200
A(n) __________ is a rule that describes a pattern in nature. a. theory b. scientific law c. observation d. hypothesis
What is a Scientific law?
200
This type of rock is formed when it is melted and then cooled.
What is igneous?
300
These variables must remain unchanged throughout the experiment to ensure the experiment remains valid.
What is the control?
300
When someone else REPEATS your experiment......
What is replication?
300
____________is a process that uses observation and investigation to gain knowledge about the regularities in nature. a. Science b. Hypothesizing c. Graphing
What is A!
300
(Explanation) A_____________ is the best Science we know. Is has been tested an retested. It can (rarely) change with new evidence. An example is evolution. A) Hypothesis B) Law C) Theory
What is a theory?
300
these rocks are made by are weathering, erosion, compaction, and cementation.
sedimentary!
400
A scientist investigates the effect of carbon dioxide on plant height. The scientist grows plants in several closed containers. All the plants receive the same amounts of water and light, but the air in each container has a different amount of carbon dioxide. The air is the what in the experiment?
What is tested variable?
400
You find valid evidence that challenges a current theory, what is likely to happen? A) Theory is thrown out completely B) Scientists vote for a new theory C) The theory is modified or changed
What is C!
400
At the end of an investigation, what should you do if you conclude that your results do not support your hypothesis? a. Buy new measurement tools. b. Change the topic you are studying. c. Repeat your investigation, and then change your hypothesis if necessary.
What is C!
400
Newton's ________________ of gravitation - states any two bodies attract each other with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them.
What is a law?
400
A Scientist that studies plants is called a A) Botanist B) Gardener C) Plantanist
What is a Botanist!
500
Fish food A claims it can help fish grow bigger than fish food B. You create an experiment that has two bowls of fish. Both bowls have the same water, amount of water, light, and the same amount of fish in each bowl. You measure the fish before you begin with a ruler. You will feed fish bowl 1 food A and fish bowl 2 food B for one month and measure again at the end of the month. The length of the fish is the ________.
What is outcome or dependent variable?
500
___________________consists of receiving knowledge of the outside world through our senses, or recording information using scientific tools and instruments.
What is observation?
500
You want to determine if a new diet medication will help rats to lose weight. Why is it necessary to have two sets of rats? a. If some die, you have some left. b. to compare rats taking the new medication to rats without the medication c. To make sure you have healthy rats
What is B!
500
If it involves MATH, or states what will happen under certain conditions, it is a Scientific___________.
Law!
500
Predict what would happen to the Atomic Theory if a scientist found evidence that challenged it (Nucleus and electrons surrounding it).
What is change or modify it!