STEPS OF THE SCIENTIFIC METHOD
Only scientist use the scientific method in academics. True or false
False
what is the aim in lab reporting?
the purpose of the experiment
How do we test a hypothesis?
with an experiment
The 3 types of variables are?
Independent,dependent and controlled variables
If gummy bears are soaked for one hour in salt water then it will decrease in size. What is the INDEPENDENT variable in the above hypothesis?
salt water
What is the first step of the scientific method?
Make an observation
The laboratory tools used in an experiment are stated in the______section of lab reporting.
Materials
Define a hypothesis?
An educated guess that tries to answer a question and is tested using an experiment.
What is a standard for comparison used in science?
control
If baking soda is applied to a jellyfish sting then the irritation will ease because sodium bicarbonate in baking soda inactivates the jellyfish nematocyts. The independent variable in this hypothesis statement is____________.
baking soda
The step in the scientific method where your senses are used____________________
observation
Personal experiences are usually placed in the ________________section of lab reporting.
reflection
A testable prediction is a...
hypothesis
This variable changes because the independent was manipulated...
dependent
If vinegar is added to baking soda then it will produce CO2 gas because of the acid-base reaction. What is the control variables?
brand and amount of vinegar and baking soda.
What is a series of steps designed to solve a problem called?
the scientific method
What is the purpose of the conclusion in lab reporting?
to reinsate the aim
A hypothesis MUST contain 2 variables. True or False
True
A factor that does not change through the whole experiment. It is not a control.
constant
GIVE A HYPOTHESIS FOR THE FOLLOWING QUESTION:
What effect does adding baking soda have on solution rate of Alka-seltzer?
If baking soda is added to Alka seltzer then the solution rate will be faster because of sodium bicarbonate which reacts faster with water.
What is the correct order of the scientific method
Observation, Ask questions, make a hypothesis, test the hypothesis, analyze results, draw conclusions, communicate results.
Tables and graphs are placed in which section of lab reporting?
Observations/Results
Which format is used for writing a good hypothesis?
"if...then...because.."
The effect brought about in an experiment is?
dependent variable
The location where you wash off chemical spills on your body or clothes.
Safety shower