Lab Safety
The first step of any lab should be:
Read the lab/gather supplies
Description of how things happen
Ex; Newton's ____ of Motion
Law
First step of the scientific method
Ask a question
The X axis for the graph on the board
Day
Convert 27 degrees C to K
K=C+273
300 K
always wear when using chemicals, or first to protect your eyes
safety goggles
Description of why things happen
ex: ______ of Evolution
Theory
The fourth step of the scientific method (also the step where we run the experiment)
Test the hypothesis
Precision and accuracy question:
If I give a test worth 100 points and the scores are 45,46,47 points of the three students these numbers are ________, but not _________
precise, but not accurate
Put 101,000 into scientific notation
1.01 x 10^5
makes precise volume measurements of liquids
Graduated Cylinder
Normal group used for comparison
Control Group
Numerical Data is known as
Precision and Accuracy Question: If I give a test worth 100 points and the three students tested scores are 24, 45, 76, these are:
neither precise nor accurate
Put .0098 into scientific notation
9.8 x 10^-3
measures mass (usually in grams)
Digital Scale
The group being tested and purposefully changed
Experiemental Group
Descriptive data is known as
Qualitative
The Y-axis data is Qualitative or Quantitative
Quantitative
Convert 19.5 km to cm
Remember King Henry Died By Drinking Chocolate Milk
1,950,000 cm
Name the three pieces of lab equipment used to measure AND hold liquids.
Graduated Cylinder, Erlenmeyer Flask, and a Beaker
If the runner drinks gatorade, then they will run faster.
Shoes/equipment, brand of gatorade, color of gatorade, etc.
This is the variable we are purposefully changing in the experiement.
The independent variable
A scientist presents the data on the board as being the following: A sunflower grew 35 cm over a span of 7 days. This data is qualitative or quantitative.
Quantitative.
Convert 2391 g to kg
2.391 kg