A statement/prediction of what you think will happen
What is a hypothesis
100
If carrots are eaten daily, then there will be an improvement in vision, because they are high in vitamin A. What is the independent variable?
What is the amount of carrots eaten
100
What color is the best?
Not Scientific
100
Uses a lens to make tiny objects large
What is a microscope
100
The best graph to use when comparing numbers
What is a bar graph
200
Anything you find out about objects, events, or living things using your senses
What is an observation
200
A florist wants to see if Product X will extend the life of cut flowers so that they last longer. What is the independent variable?
What is Product X
200
What is the lifespan of hippopotamuses?
Scientific
200
Used to measure the volume of liquids
What is a graduated cylinder
200
Name the third step in the scientific investigation
What is make a hypothesis
300
The search for an answer to a clear, well-defined question about the natural world
What is the scientific investigation
300
An entomologist (bug scientist) wants to determine if temperature changes how many times a cricket chirps. What is the dependent variable?
What is the number of chirps
300
What flowers are the prettiest?
Not Scientific
300
Used to measure temperature
What is a thermometer
300
When writing a hypothesis, scientists need to include these three words
What are if, then, because
400
Two reliable resources scientist can use when conducting an experiment
What are books and scientific journals
400
Orchids were studied to determine if the amount of humidity affected the flowering of these plants. Which of these was the dependent variable in this study?
What is the number of flowers the orchids produce
400
What type of soil provides the most nutrients to plants growing in the tundra?
Scientific
400
Used to measure length
What is a meter stick
400
Scientists check the accuracy of their data by doing this
What is a repeated trial
500
Information collected during an experiment
What is data
500
You think that a certain part of your brain is important in memory. To test this, you will remove this part of the brain from rats and see if they remember how to get through the maze. What is the independent variable in this experiment?
What is the removal of a certain part of the brain
500
How long does it take for geese to migrate south?
Scientific
500
Used to compare the mass of two objects
What is a pan balance or triple beam balance
500
During the scientific investigation process, scientists would never do this