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Science Exam Study Guide. What are the six parts of the scientific method (in order)?. Observation Hypothesis Experiment Data collection Conclusion Retest. What are the 3 types of variables in an experiment?. Control Independent Dependent. What is a procedure to test the hypothesis?.
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What are the six parts of the scientific method (in order)? • Observation • Hypothesis • Experiment • Data collection • Conclusion • Retest
What are the 3 types of variables in an experiment? • Control • Independent • Dependent
What is a procedure to test the hypothesis? • Experiment
Which one of the steps is gathered through your senses? • Observation
In our floating cans experiment: • What was the control variable? • The can of coke • What type of data did we collect? • Qualitative • What was the independent variable? • The different cans of soda
Who was the man who first studied cells? • Robert Hooke
What is a clear, jelly-like substance that holds the organelles in the cell? • Cytoplasm
What is the stiff outer layer that gives plant cells their shape? • Cell Wall
What is in charge of making protein? • Ribosomes
What surrounds and protects the nucleus? • Nuclear Membrane
What is in charge of what enters and leaves the cell? • Cell Membrane
What is found only in plant cells and allows the plant to make food? • Chloroplast
What is the control center of a cell? • Nucleus
Define these words: • Tissue – specialized cells with similar structure and function. • Organ – a structure made up of at least two types of tissues that work together to perform a specific job. • System – a group of organs that work together to perform a specific function.
What are the jobs of the digestive system? • To digest food • To transfer digested nutrients into the blood • To absorb water
List the steps of how tissues help your hand move when you touch a hot stove. • Nerves in your hand send a message to the spinal cord. A reflex takes place when nerves in the spinal cord send signals to muscles in your hand that cause you to move it off the stove. Then, the nerves send a message up the spinal cord, where the brain receives it.
What kind of tissue is blood? • Connective tissue
What kind of tissue gives an organism the ability to move? • Muscle tissue
What kind of tissue are villi? • Epithelial tissue
What kind of tissue gives an organism the ability to respond to stimuli in the environment • Nerve tissue
Describe the levels of organization from cells to organ systems • Cells make up tissue, tissue make up organs, and organs make up organ systems.
What are the four kinds of tissues? • Epithelial • Connective • Muscle • Nerve
What do organs have in common? • They are all made up of the four kinds of tissue.
Why is the heart made up mostly of muscle tissue? • The heart requires muscle tissue to keep beating.
Your test will be on Monday. Your 2 assignments are:1. complete the packet2. study your study guide