This is what can either support or not support a hypothesis.
What is a conclusion?
How many significant figures are in 100
In a bridge structure, the area where the gusset plate is attached is known as this
What is a node?
This is the factor in an experiment that is manipulated or changed by the investigator.
What is the independent variable?
This piece of lab equipment is used for measuring specific volume of liquids, and is measured in ____
What is graduated cylinder and mL?
How many significant figures are in 230.90
What is 5
These are the 3 branches of Science
What is Earth Science, Life Science and Physical Science
At the time of the Minneapolis bridge failure, what factors were considered to be possible causes?
What are added layers of concrete from several modifications and repairs and the added weight from supplies and equipment for the current repair?
This is the factors in an experiment that remains the same
What is a constant/control variables
To find the volume of an irregularly shaped object (like a car key), you use a graduated cylinder in this process
What is the method of displacement?
How man significant figures are in 0.003402
What is 4
What method do we use for our conclusions?
What is a CER.
In bridge structures, this is the name for the weight of the bridge itself
What is dead load?
This factor is measured and observed during an experiment
What is the dependent variable?
These does the prefix K stand for
What is kilo
These are the base units for length, mass and liquid volume.
What are meters, grams (kilograms) and Liters?
These are the 2 groups in a controlled experiment
What is an experimental group and a control group
Earthquakes, wind gusts, and traffic are known as what in bridge engineering?
What is live load?
A prediction or statement can be tested with this. Usually in the form as an If..Then..
What is a hypothesis?
How much bigger is a Kilo compared to the base units.
What is 1000 x bigger
If your experimental data supports your hypothesis..what should you do?
REPEAT to verify results
These are the steps of the Scientific method
What is: Ask a question, Make a hypothesis/prediction, experimentation, data, conclusions, share results
What is a truss bridge?