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Scientific Method
Experiments
Metric System
Do the Math
Potpourri
100
In an experiment the one factor being tested is this.
What is the variable.
100
This variable is usually graphed on the x-axis.
What is the independent variable.
100
This prefix means 1/100th
What is centi-
100
250Kg = _______ g
What is 250,000g
100
This is the measure of the amount of space an object takes up.
What is volume.
200
This is an educated guess.
What is hypothesis.
200
This is the purpose of a control in an experiment.
What is to have something to compare the variable with.
200
Kilogram is a unit of this.
What is length
200
4.70m = ________ Km
What is 0.00470Km
200
mass is to gram as length is to this.
What is meter.
300
"I study science for many hours each day, then my grade will increase." This is the independent variable in this statement.
What is studying science for many hours each day.
300
A graph will generally look like this when showing constant speed.
What is a straight increasing or decreasing line.
300
These are 3 advantages to using the Metric System.
What are no fractions, based on 10, and it is universal.
300
A bike travels 14.0m in 8.0s. What is the bike's velocity? v=d/t
What is 1.75 m/s
300
A triple beam balance would measure this.
What is mass.
400
These are the 6 general parts of the scientific method.
What are 1. Question 2. Research 3. Hypothesis 4. Experiment 5. Analysis of data 6. Conclusion
400
This is the difference between velocity and speed.
What is velocity is speed in a direction.
400
This prefix means 1/1000.
What is milli-
400
What is the acceleration of an object which has an original velocity of 24.7 m/s and a new velocity of 62.0 m/s after 45 seconds. acc = (f.v.-o.v.)/t
What is 0.83 m/s/s
400
This is the study of energy and its changes.
What is physics.
500
When measuring motion, the frame of reference is this.
What is stationary.
500
This is the Law of Conservation of Momentum.
What is Law of physics states that the linear momentum does not change unless an external force acts upon it. The law of conservation of momentum explains that momentum is neither lost or gained. "when two bodies collide with one another, the total energy remains constant"
500
This is the common unit for momentum.
What is kg m/s
500
A plane moving at a constant speed of 250 km/hr travels for 10 hours. How far does the plane travel? speed = distance/time
What is 2,500 km
500
This is the search for knowledge.
What is science