Biology flashcards
What is the definition of an independent variable?
Is the variable you manipulate during an experiment . The variable that you change.
What is the definition of an dependent variable?
The variable that is affected during the experiment. The result of what you change
What is the constant variable?
The variable that is kept the same during an experiment. Never changes
What is a control?
The group you compare your dependent variable with to see if a difference was made.
What number is the SI system?
10
What is the unit and symbol for Length?
meter and M
What is the unit and symbol for Mass?
gram and g
What is the unit and symbol for liquid volume?
liter and L or l
What is the unit and symbol for time?
second and s
What is the acronym to help you remember the order of prefixes?
King Henry Died (awww) Drinking Chocolate Milk
K H D —- D C M
What is the solid volume of the shape 2 x 7 x 3 ?
42 cm^3
What is the liquid volume of the shape 2 x 3 x 7?
42 ml^3
There is a graduated cylinder has 50 mL, and someone put a rubber duck that put the graduated cylinder at 75 mL. How many mL did the rubber duck take up?
25 mL
What are the 8 steps of the scientific method in order?
- State the problem/ state the question
- Do research
- Form a hypothesis
- List the materials
- List the procedure/ experiment
- Record and analyze your data
- Make a conclusion
- Repeat or Verify the investigation
What is the difference between hypothesis and theory?
A hypothesis is a possible explanation and a theory is a well - tested explanation about the the scientific question
What are the 3 most common source experiment errors?
measurement, small sample size, uncontrolled conditions
How many meters and in one kilometer?
1000
convert 1L to ____ m L
1000 mL
Convert 275 mm _____ cm
27.5 cm
convert 158 cm ____ m
1.58 m
How many micrometers are in one centimeter?
10,000
How many centimeters are in one kilometer?
100,000