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Chapters 1-4 Review. By April Senger FOS. What do we call an educated guess?. Fact Law Theory Hypothesis. What do we call an educated guess?. Fact Law Theory Hypothesis. What are the variables called that you try to make sure stay constant throughout an experiment?.
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Chapters 1-4 Review By April Senger FOS
What do we call an educated guess? • Fact • Law • Theory • Hypothesis
What do we call an educated guess? • Fact • Law • Theory • Hypothesis
What are the variables called that you try to make sure stay constant throughout an experiment? • Alphabetic letters • Dependent • Independent • Controlled or constant
What are the variables called that you try to make sure stay constant throughout an experiment? • Alphabetic letters • Dependent • Independent • Controlled or constant
What is a large collection of information that is well tested and verified? It is an explanation of an event. • Hypothesis • Fact • Theory • Law
What is a large collection of information that is well tested and verified? It is an explanation of an event. • Hypothesis • Fact • Theory • Law
When writing up a lab report, your errors should be listed in or after what part? • Question • Conclusion • Experiment • Hypothesis
When writing up a lab report, your errors should be listed in or after what part? • Question • Conclusion • Experiment • Hypothesis
What portion of the lab write up is the following an example of? The string is cotton and cotton stretches. The bar is 40 cm tall. The mass can be changed by 2.73 grams. • Errors • Observations • Conclusion • Question
What portion of the lab write up is the following an example of? The string is cotton and cotton stretches. The bar is 40 cm tall. The mass can be changed by 2.73 grams. • Errors • Observations • Conclusion • Question
What is an orderly method for gaining, organizing, and applying new knowledge? • Theory • Scientific method • Law • Fact
What is an orderly method for gaining, organizing, and applying new knowledge? • Theory • Scientific method • Law • Fact
What is a general hypothesis or statement that has been tested repeatedly and not contradicted? Sometimes it is called a principle. • Law • Technology • Theory • Fact
What is a general hypothesis or statement that has been tested repeatedly and not contradicted? Sometimes it is called a principle. • Law • Technology • Theory • Fact
The study of forces and their motion called? • Chemistry • Astronomy • Biology • Physics
The study of forces and their motion called? • Chemistry • Astronomy • Biology • Physics
What is a measure of space? • Mass • Weight • Volume • None of these
What is a measure of space? • Mass • Weight • Volume • None of these
A sheet of paper can be withdrawn from under a carton of milk without it falling over. What does this demonstrate? • The paper isn’t touching the milk • The milk has inertia • Gravity holds the milk secure • The milk has no acceleration
A sheet of paper can be withdrawn from under a carton of milk without it falling over. What does this demonstrate? • The paper isn’t touching the milk • The milk has inertia • Gravity holds the milk secure • The milk has no acceleration
A truck is moving at a constant velocity. Inside the storage compartment, a rock is dropped from the midpoint of the ceiling and strikes the floor below. Where does the rock it the floor? • Ahead of the dropping point • Behind the dropping point • Exactly below the dropping point • More info is needed to solve
A truck is moving at a constant velocity. Inside the storage compartment, a rock is dropped from the midpoint of the ceiling and strikes the floor below. Where does the rock it the floor? • Ahead of the dropping point • Behind the dropping point • Exactly below the dropping point • More info is needed to solve
A 10 Newton falling object encounters 4 Newtons of air resistance. What is the magnitude of the net force on the object? • 10 • 6 • 4 • 0
A 10 Newton falling object encounters 4 Newtons of air resistance. What is the magnitude of the net force on the object? • 10 • 6 • 4 • 0
A 10 Newton falling object encounters 10 Newtons of air resistance. What is the next force on the object? • 0 • 4 • 6 • 10
A 10 Newton falling object encounters 10 Newtons of air resistance. What is the next force on the object? • 0 • 4 • 6 • 10
A man weighing 800 N stands at rest on 2 bathroom scales so that his weight is distributed evenly over both scales. What is the reading on each scale? • 200 • 400 • 800 • 1600
A man weighing 800 N stands at rest on 2 bathroom scales so that his weight is distributed evenly over both scales. What is the reading on each scale? • 200 • 400 • 800 • 1600
Galileo’s interpretation of motion differed from Aristole’s because what did Galileo have that Aristole didn’t? • Hypothesis • Speculation • Classification • Experiments
Galileo’s interpretation of motion differed from Aristole’s because what did Galileo have that Aristole didn’t? • Hypothesis • Speculation • Classification • Experiments
What are 2 measurements necessary for calculating average speed? • Distance and acceleration • Distance and time • Velocity and time • Acceleration and time
What are 2 measurements necessary for calculating average speed? • Distance and acceleration • Distance and time • Velocity and time • Acceleration and time
An object is in free-fall. At one instant, it is traveling at a speed of 50 m/s. What is its speed exactly 1 second later? • 60 m/s • 50 m/s • 40 m/s • 25 m/s
An object is in free-fall. At one instant, it is traveling at a speed of 50 m/s. What is its speed exactly 1 second later? • 60 m/s • 50 m/s • 40 m/s • 25 m/s
What is the force that always work in the opposite direction of motion? • Friction • Velocity • Mass • Gravity
What is the force that always work in the opposite direction of motion? • Friction • Velocity • Mass • Gravity
What is the gain in speed each second for a freely falling object approximately? • 0 • 5 m/s • 10 m/s • 20 m/s
What is the gain in speed each second for a freely falling object approximately? • 0 • 5 m/s • 10 m/s • 20 m/s
A car accelerates from rest at 2 m/s/s. What is the speed 3 seconds after the car starts moving? • 6 m/s • 4 m/s • 3 m/s • 2 m/s
A car accelerates from rest at 2 m/s/s. What is the speed 3 seconds after the car starts moving? • 6 m/s • 4 m/s • 3 m/s • 2 m/s
Which has a greater mass? • Marshmallow • Automobile battery • King-sized pillow • They are all the same
Which has a greater mass? • Marshmallow • Automobile battery • King-sized pillow • They are all the same
What is the force due to gravity that acts on an object’s mass? • Volume • A property of equilibrium • Weight • Mass
What is the force due to gravity that acts on an object’s mass? • Volume • A property of equilibrium • Weight • Mass
In which case would you have the largest mass of gold? When your chunk of gold weighed 1 N on the • Jupiter • Moon • Earth • Sun
In which case would you have the largest mass of gold? When your chunk of gold weighed 1 N on the • Jupiter • Moon • Earth • Sun
Careful: On the surface of Jupiter, where the acceleration due to gravity is about 3 times that of Earth, what would the MASS be of a 100 kg rock be? • 900 kg • 600 kg • 300 kg • 100 kg
Careful: On the surface of Jupiter, where the acceleration due to gravity is about 3 times that of Earth, what would the MASS be of a 100 kg rock be? • 900 kg • 600 kg • 300 kg • 100 kg
A car has a mass of 1000 kg and accelerates 2 m/s/s. What is the magnitude of the force exerted on the car? • 2000 N • 1000 N • 500 N • 1500 N