Scientific Method
Metric System
Experimental Design
IV/DV
Graphing
100
Which step is most likely to come first in the scientific method: data analysis or drawing conclusions?
Data analysis
100
What is the mnemonic to remember prefixes in metric system from largest to smallest?
King Henry Died by Drinking Chocolate Milk
100
In an experiment, which variable is manipulated by the scientist/researcher?
Independent variable
100
In an experiment where different types of soil are tested for their effect on seed germination, what is the dependent variable?
seed germination time
100
Which type of graph is best for showing changes over time?
Line graph
200
Which part of the scientific method involves creating an educated guess?
Forming a hypothesis or HYPOTHSIS
200
What does each first letter in mnemonic King Henry Died by Drinking Chocolate Milk stand for?
K: Kilo-, H:Hecto-, D: Deka-, b: base unit, d: deci-, c: centi-, m: milli-
200
Why is a control group important in an experiment?
to make sure experiment is working or/and to provide a baseline/reference point for comparison
200
In an experiment where you measure how quickly a ball rolls down a ramp at different angles, what is the dependent variable?
speed of the ball
200
What type of graph is it?
Line or double line
300
After conducting an experiment and collecting data, what is the next step in the scientific method?
Analyze the data
300
What are base units for volume, length and mass in metric system
Liter, meter, and gram.
300
What makes a question testable?
It can be answered through an experiment or it contains manipulated and responding variables.
300
Pillbugs are placed in a container where they have a choice of a wet or a dry environment. Researchers record how much time was spent on each side. Independent variable?
Container environments.
300
What is missing on this graph?
Y label with units.
400
Is question "What is the best ice cream flavor?" testable or not?
no, untestable.
400
how many centimeters is 457 meters
45,700 centimeters
400
In an experiment studying the effect of a new drug on heart rate, what would be a control group?
A group that receives a placebo instead of the drug.
400
Mosquito repellent is sprayed on one arm and the other arm is not sprayed. The number of mosquito bites is counted after 2 hours. Independent variable?
Mosquito repellent
400
What kind of graph/plot is that?
Scatter plot
500
Why is question "Which brand of soap makes the most bubbles?" a testable question?
Because it can be measured through an experiment. It includes manipulated variable and responding.
500
What abbreviations are in metric system for 1) Kilometer, 2) centimeter 3) dekagram 4) deciliter
1) km 2) cm 3) Dg or dag 4) dL
500
Why is it important to keep constants in an experiment?
To ensure that only the independent variable affects the outcome.
500
One grape is placed in tap water and another grape is placed in salt water. The change in their mass is measured after a day. Dependent variable?
Grapes' mass
500
What can we learn by looking at this scatter plot?
The more time we spend studying the better test score we get.