ANSWER ALL 10 QUESTIONS PLZ
1.
If someone claims to be a professor or another trained scientist, you should _____.
A. make sure that they really are one
B. trust any information they give you
C. get your evidence from other sources
D. be especially careful of misleading numbers
2. Exit
If you have collected evidence from very small experimental groups, how does that affect the validity of your evidence?
A. Small groups generally make your evidence less valid.
B. Small groups generally make your evidence more valid.
C. Small groups generally have no effect on the validity of your evidence.
3.
Which of these is an example of evidence supporting the theory that an asteroid impact caused the dinosaurs to become extinct?
A. Dinosaur fossils have been found all over Earth.
B. A large crater was found dating to the same time period.
C. Huge lava flows formed in India at the same time period.
D. New kinds of plants and animals lived on Earth after the dinosaurs.
4.
Suppose you were studying the diet of mice. If you decided to change your experiment from studying the effects of corn in the diet of the mice to studying the effects of wheat, how would that affect the validity of the evidence you collect?
A. The evidence would be less valid.
B. The evidence would be more valid.
C. The validity of the evidence would not change.
5.
Suppose an experiment compares two groups that are very different from one another. How does this affect the validity of the evidence collected in that experiment?
A. The evidence would be less valid.
B. The evidence would be more valid.
C. The validity of the evidence would not change.
6.
What does having biased groups mean?
A. The groups are too small.
B. The groups are not similar enough.
C. The evidence does not come from an expert source.
D. The evidence collected from the groups is very reliable.
7.
Exit
A good place to start when evaluating scientific evidence is to _____.
A. redesign the procedure used to collect the evidence
B. make your own hypothesis and do an experiment to test it
C. look at whether the evidence was collected using good scientific principles
D. compare it to evidence from experiments about some other topic in science
8.
Suppose you are trying to build support for your theory about what kind of food an extinct sea creature ate.
Which of the following could be evidence supporting your theory?
A. photos of modern sea creatures
B. charts showing the most popular kinds of seafood
C. fossils showing the contents of the creature's stomach
D. maps showing the edges of Earth's oceans at the time that the creature lived
9.
If groups are biased, then _____.
A. the groups are too small
B. there is no dependent variable in the experiment
C. the controls in the experiment are not good enough
D. there is not an expert source gathering the evidence
10. You should think critically about scientific evidence supporting product claims because _____.
A. there is no comparison group
B. the product has been evaluated by a reliable source
C. the information may be distorted in order to sell more
D. there could be another product that is a better value for the money