What Is Science?
What is an example of pseudoscience?
Answers may vary. Anything related to "fake science"
Which tool would be best to study the skin cells on your hand?
Microscope
A scientific hypothesis must be...
testable
True or false: A non-numerical observation describes a qualitative observation
True
If I am creating a bar graph...What axis do I put the independent variable on?
X
This includes all the data that people gather and test to support and evaluate scientific explanations.
Empirical Evidence
What is an explanation in science that has a lot of evidence to back it up?
scientific theory
What is a possible hypothesis to test the question: Will apples turn brown if coated in lemon juice?
Apples will turn brown when coated in lemon juice.
Apples will not turn brown when coated in lemon juice.
Give an example of a quantitative observation.
Answers may vary. (There are 20 desks in the classroom)
If I am graphing the dependent variable...what axis do I put it on?
Y (yeah dude) (Y Dependent) (Yeah Dude)
True or false: The following best supports a scientific explanation: Experimental data obtained by making objective measurements.
True
Name 3 tools you could use in the laboratory.
Microscope, beakers, rulers, scales, pipette (answers may vary)
What makes a scientific resource reliable?
It has been reviewed by many scientists, it was found in scientific journal, it was found from a well-known science organization (answers may vary)
If I wanted to write 20,000 in scientific notation it would be
2 x 10^4
Which of the following groups of people be most likely responsible for answering the question: "How can we built a system to more efficiently collect rain water?": scientists, politicians, engineers, community leaders
engineers
An explanation in science must be testable and have _______________ of other scientists.
consensus
What type of investigation might a scientist use to study a lion's behavior. What tools might they use?
fieldwork. Answers may vary (camera, video recorder, binoculars), etc.
A ________ is either supported or unsupported by the results of an investigation.
Hypothesis
If I want to measure the length of a large distance between two cities, which of the following units would I use: gigameter, megameter, kilometer, meter
kilometer
What is the mode in this data: 12, 13, 15, 17, 18, 19, 18, 20, 18
18
Name 3 traits of a scientist.
Curious, careful observers, creative, logical, skeptical, objective.
Why would you be cautious of scientific information you hear from advertisers?
They are trying to sell you a product. They are not trying to give you scientific knowledge.
I have an experiment where I am testing the effect of fertilizer and water on plant growth. Day 1 I give the plant 10 ml of water and 5g of fertilizer. Day 2 I give the plant 30 ml of water and 10g of fertilizer. Is this a controlled experiment? Why or why not?
No because there are two variables. The amount of water and the amount of fertilizer changed.
Why is using SI units and scientific notation helpful for scientists?
it allows them to easily share data and to be on the same page.
The school nurse performed an experiment to investigate the effects of exercise on students. The nurse had them preform different exercises and recorded their heart rate before and after the exercise. What is the dependent variable?
the heart rates of the students.