MID
Law
Description of patterns observed in nature often mathematical “” how things can happen
Hypothesis
Prediction;if,then
Constant
Factors that do not change between tests in your experimental group
Hot Plate
Heats Chemicals
Observation
Objective statements based on the 5 senses
Accuracy
How correct a measurement is
Independent variable
“The cause”
What u purposefully change or allow the change:ex;time
Precision
How specific the measurement is or how consistent they r with each other
Bunsen Burners
heat chemicals
Qualitative
Quality
Digital scale
Measuring mass
Dependent variable
“The effect”
What u measure after the change
Inference
Subjective guesses abt the observation
Erlenmeyer flask
Heating and measuring liquids, holds liquids securely
Quantitative
Quantity
Conversion factors
An equality that can be expressed as a fraction in 2 diff ways
Experimental group
The group being tested and purposely changed
Science
A method for studying the natural world by gaining knowledge through observations and investigations
Mortar and Pestle, Funnel
Grows solids into powder, used to prevent spills when pouring
Test Tube, Pipette
Used for small chemical reactions, transfer liquids drop to drop
Meniscus
Is the curve seen at the surface as response to its container sides this curve is usually concave with the lowest point in the center
Control group
A normal untested group used for comparison
Theory
Explanations based on evidence from experiments
(Why things happen)
Beaker, spatula
Mixing heating and measuring liquids or solids
Graduated Cylinder, Watch glass
Makes precise volume measurements of liquids, used for weighing and preventing splatters