Chapter 1 Flashcards
What are 5 skills that scientists use?
Observing, Inferring, classifying, making models, predicting
What’s the difference between observing, inferring and predicting?
Observing is using one or more of your senses. Inference is interpreting an observation. Prediction is a forecast of what might be.
Why do scientists use models?
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Give an example of a physical model.
Globe
What’s an example of a mental model?
Math problem
List branches of life science
Botany, zoology, genetics, medicine, marine biology, biochemistry, microbiology
What are the seven attitudes that help scientists think scientifically?
Integrity, awareness creativity, ethical, honest, open minded, skepticsl.
What are some examples of bias?
Personal bias, cultural bias, experimental bias.
What are the six steps of scientific inquiry?
making observations, Predicting, Designing experiment, collecting and analyzing data, conclusion, communicating.
What skill is needed at the beginning of every scientific process?
Asking questions
What must a hypothesis be in order for a scientist to carry out an investigation?
Has to be a testable hypothesis.
How many variables are allowed to change in a controlled experiment?
One.
What are the levels of organization from simplest to most complex?
Cells, epithelial tissue, tissue, muscles, organs, nervous tissue
What are the four types of tissue and their functions?
epithelial tissue - protect
nervous - carry message to brain
connective - connect body parts
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What systems provide movement? Help to transport material? Help to control bodily functions?
Muscles, circulatory system, digestive, excretive.
