Module 1 Flashcards
What does RACEHOGS stand for?
Reproduction, adapt, cells, energy, homeostasis, organization, growth/development, stimuli
What unit is specific to length?
m meters
What unit is specific to volume?
L liters
What unit is specific to mass?
g grams
What does king henry drank up dark chocolate milk stand for?
Kilo, hecto, deka, unit, deci, centi, milli
5.6 m to cm?
560 cm
0.025 km to cm?
2,500 km
27.5 mL to L?
0.0275 L
6.3 g to mg?
6,300 mg
What tool do we use to measure length?
Metric ruler
What tool do we use to measure volume?
Graduated cylinder
What tool do we use to measure mass?
Triple beam balance
What’s the difference between a scientific theory vs. law?
Law- a description of a pattern in nature (an event)
Theory- explanation for why that event happened, more expansive
Are open or closed ended questions better for science experiments?
Open are more helpful for qualitative observations, closed for quantitative
Closed help you solve a specific thing while open give you a variety of things to test.
Define hypothesis:
A prediction based on observation or evidence to be tested
Which axis does the independent variable go on?
X axis
What is a control group?
The group that does not receive treatment when studied
What are constants?
Factors in an experiment that remain the same to isolate the other variable(s) being tested
What’s the purpose of a data table?
Shows all outcomes in 1 table
When do you use a bar graph vs. a line graph?
Bar graphs are for comparison, line graphs a better at showing trends/patterns over time
How is an experiment valid?
If it’s repeatable, has consistent results, and has tested the hypothesis
