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Lab Safety
Steps of Scientific Method
Controls/Variable
Characterisitics of Living Things
Definitions
100
Tommy is your lab partner the day of the frog dissection. You can not understand him as he reads the directions because he is chewing on half a sandwich. Once he is done, he repeats the directions and you continue with the lab. What is the problem with this scenario?
Tommy should not be eating.
100
This is the step of the scientific method in which you talk to experts, read books, search the internet, etc...
Research
100
SpongeBob wants to test to see if a new laundry detergent from SnailMart will do a good job of cleaning his square pants. He takes two equally dirty pairs of pants and washes one pair in the new detergent and water. He washes the other pair in just water. After 4 treatments, there is not difference in the cleanliness of his pants. What is the VARIABLE in SpongeBob’s experiment?
The new detergent
100
Monica noticed that a bird has made a nest and laid eggs outside her bedroom window. When the eggs hatch, Monica notices that the young birds are small and have no feathers. Three weeks later, she looks in the nest and sees the birds have almost doubled in size and have feathers. What characterisitc of living things has Monica observed?
Growth and development
100
The factor that you are testing in an experiment.
Variable
200
What should be worn to protect what you use to make observations?
Goggles
200
This is the the step of the scientific method in which you predict, or make an educated guess, to what the answer of your problem is...
Forming a hypothesis
200
SpongeBob wants to test to see if a new laundry detergent from SnailMart will do a good job of cleaning his square pants. He takes two equally dirty pairs of pants and washes one pair in the new detergent and water. He washes the other pair in just water. After 4 treatments, there is not difference in the cleanliness of his pants. What is the CONTROL in SpongeBob’s experiment?
The pants washed in just water
200
Rachael observes a flock of birds in the park eating pieces of bread left behind from a picnic. This observation led her to do some research of why animals get hungry and need to eat food. The research states that certain organisms need to consume food for energy. What characteristic of living things did Rachael observe in the park?
Metabolism
200
The group or part of an experiment that does not receive the variable
The control
300
What should be done after an experiment is completed?
Clean your lab tools and area
300
This is the step of the scientific method you should complete after finishing an experiment?
Analyze data
300
SpongeBob wants to test to see if a new laundry detergent from SnailMart will do a good job of cleaning his square pants. He takes two equally dirty pairs of pants and washes one pair in the new detergent and water. He washes the other pair in just water. After 4 treatments, there is not difference in the cleanliness of his pants. What should SpongeBob’s conclusion be?
His hypothesis was rejected
300
While in a college biology class, Ross dissects a bird. He takes a small tissue sample from the bird and examines it under a microscope. He notices that the bird is actually made up of a great number of smaller units. What characterisitic of living things has Ross observed?
All living things are made up of cells
300
An educated guess
A hypothesis
400
What lab safety rule will help you prevent chemical burns in your nasal passages
Wafting (just waft with me, waft with me)
400
This is the part of the scientific method where you state whether your hypothesis is confirmed or rejected.
Conclusion
400
Partick's breath is kicking like Bruce Lee. Pearl thinks a new brand of gum, KelpFresh, will get rid of his bad breath. Squidward suggests that he rinse his mouth twice a day with a new mouthwash, FishBreath. Patrick decides to chew KelpFresh and rinse his mouth with FishBreath twice a day. Three days later, his breath is back to normal. What is the variable in his experiment?
KelpFresh AND FishBreath
400
Joey observes a bright blue bird building a nest while walking to school. The next week, he notices that another bird had joined him in the nest. A month later he hears small chirps coming from the nest and sees the two birds taking turns going out for food. What characterisitis of living things has Joey observed?
The ability to reproduce.
400
Information gathered during an experiment.
Data
500
During an experiment in class, you come across crack glassware, why should you notify your teacher?
It may affect your results, you could get hurt/cut yourself, it may shatter if heated
500
What is the first step of scientific inquiry?
State the problem (make observations and ask questions)
500
Partick's breath is kicking like Bruce Lee. Pearl thinks a new brand of gum, KelpFresh, will get rid of his bad breath. Squidward suggests that he rinse his mouth twice a day with a new mouthwash, FishBreath. Patrick decides to chew KelpFresh and rinse his mouth with FishBreath twice a day. Three days later, his breath is back to normal. What should Patrick's conclusion be?
We don't know, he had more than one variable
500
Phoebe notices that as fall approaches, the air is becoming much colder. She also notices that when the weather changes, certain birds in the area start to fly south. These birds do not return until the following spring when the weather becomes warm again. Phoebe has observed what characterisitic of living things?
Response to a stimulus
500
A series of steps used to solve a scientific problem.
The scientific method