Conceptual Physics Final (Fall 2019)

A hypothesis is

• the long side of a right triangle.

• an educated guess that has yet to be proven by experiment.

• close agreement by competent observers of observations of the same phenomena.

• a guess that has been tested over and over again and always found to be true.

A theory is

• a synthesis of a large collection of information including well-tested information.

• an educated guess that has yet to be proven by experiment.

• close agreement by competent observers of observations of the same phenomena.

• a guess that has been tested over and over again and always found to be true.

Which of the following correctly lists the steps of the scientific method?

• Observe, Experiment, Hypothesize, Analyze, Conclude
• Observe, Hypothesize, Analyze, Experiment Conclude
• Observe, Hypothesize, Experiment, Analyze, Conclude
• Observe, Analyze, Hypothesize, Experiment, Conclude

Which of the following terms refers to the variable that is measured or recorded as the results of the experiment?

• Experimental Controls
• Test Controls
• Dependent Variable
• Independent Variable

Which of the following terms refers to the group that receives no treatment with the independent variable?

• Constant group
• Control group
• Dependent group
• Experimental group

Which of the following terms refers to the variable that is manipulated (changed) by the experimenter?

• Experimental Controls
• Test Controls
• Dependent Variable
• Independent Variable

Protective safety equipment in the lab

• is not really necessary.

• includes safety goggles, lab aprons, and gloves.

• should be worn even if we don't do any lab experiments.

• needs to be purchased by the students.

What is a force? 

• combination of all forces acting on an object
• is a push or a full
• when life is stable
• is an arrow that represents the magnitude and direction of a quantity

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

The combination of all forces acting on an object is called __________

• Parallelogram Rule

• Net Force

• Vector Quantity

• All the Jedi's using their abilities together

A vector means there is __________ and __________

• speed and velocity

• tension and weight

• balance and tauntness

• magnitude and direction