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WorksheetsNature of Science Review
Total questions: 22
Worksheet time: 16mins
Which characteristic of living things is represented in the picture?
Respond to stimuli
Grow and develop
Evolution
Made of cells
Which of the following describes homeostasis?
keeps variables exactly at the set point
organism's ability to maintain steady (stable) internal conditions
acts to keep values outside of a desired range
operates through positive feedback
Living things are made up of units called
DNA
Cells
Homeostasis
Seeds
The group of organisms that use the process of homeostasis includes
mammals, only
animals, only
plants and animals
all living things
What is the independent variable?
Type of fertilizer
Average plant height
The effect of fertilizer on plant height
The effect of plant height on fertilizer
What is the dependent variable?
Type of fertilizer
Average plant height
The effect of fertilizer on plant height
The effect of plant height on fertilizer
What is the independent variable for this graph?
The Relationship between Time Spent Studying and Test Grades
The effect of Time Spent Studying and Test Grades
Time Spent Studying
Test Grades
What is the dependent variable for this graph?
The Relationship between Time Spent Studying and Test Grades
The effect of Time Spent Studying and Test Grades
Time Spent Studying
Test Grades
What are you doing if you make an observation?
making a hypothesis
making an informed guess
gathering data
Can a scientific theory become a scientific law?
yes, with enough evidence and peer review
yes, but it doesn't happen often
no, they are different concepts
A scientific law can...
Describe WHY something happens
Describe WHAT is happening
A scientific theory can...
Describe WHY something happens
Describe WHAT is happening
The variable that is measured.
Controlled Variable
Dependent Variable
Independent Variable
The one factor that a scientist changes during an experiment.
Controlled Variable
Dependent Variable
Independent Variable
The factors that stay the same or are constant throughout the experiment.
Controlled Variable
Dependent Variable
Independent Variable
Ben makes five paper helicopters with different wing lengths. He drops them the same way from a height of two meters for five trials each. He records the amount of time it takes for each helicopter to fall to the ground.
What is the dependent variable?
Dropping the same way
Wing Length
Amount of time it takes the helicopter to hit the floor
Dropping from the same height
Ben makes five paper helicopters with different wing lengths. He drops them the same way from a height of two meters for five trials each. He records the amount of time it takes for each helicopter to fall to the ground.
What is the independent variable?
Dropping the same way
Wing Length
Amount of time it takes the helicopter to hit the floor
Dropping from the same height
Observations like measurements are ____________ observations
quantitiative
qualitative
operational
scientific
Observations like the color or texture of an object are ________________ observations.
quantitative
qualitative
operational
scientific
Qualitative or Quantitative: There is 300 mL of liquid in this beaker.
Qualitative Observation
Quantitative Observation
Qualitative or Quantitative: I feel rough sand and a strong heat on the back of my neck.
Qualitative Observation
Quantitative Observation
