Semester Exam Review - Variables, Conversions, Parts Of Graph, Speed Distance Time Calculations, Accuracy And Precision Question Preview (ID: 58299)

Variables, Conversions, Parts Of Graph, Speed Distance Time Calculations, Accuracy And Precision. TEACHERS: click here for quick copy question ID numbers.

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If a bird travels distance of 45 meters in 10 seconds, how fast does it travel?

a) 0.45 m/s

b) 4.5 m/s

c) 450 m/s

d) 55 m/s

The car was timed as it passed through the photogates. The distance between the photogate is 35 centimeters. Calculate the speed of the car as it passed through the two photogates in 0.2061 seconds

a) 0.005 cm/s

b) 169.82 cm/s

c) 169.82 m/s

d) 0.005 m/s

An airplane travels for 120 minutes at a speed of 500 mi/hr. What distance did it travel?

a) 60,000 miles

b) 1,000 miles

c) 4 miles

d) 0.24 miles

How long does it take a snail to travel 2 feet if it is moving at 0.05 feet per minute?

a) 1.25 minutes

b) 2.05 minutes

c) 40 minutes

d) 0.1 minutes

Speed is _______

a) How fast an object moves in a certain direction

b) How long an event happens

c) How far an object moves

d) Distance an object moves in a certain amount of time

Time is _______

a) How fast an object moves in a certain direction

b) How long an event happens

c) Distance an object moves in a certain amount of time

d) Any change in velocity

Speed is generally measured in ________ in the metric system.

a) Grams/second

b) Gram/millileter

c) Seconds/meter

d) Meters/second

What is the general rule for where to put the independent variable on a graph?

a) As part of the title

b) On the Y axis

c) On the X axis

d)

Convert 4712 m to km

a) 4.71 km

b) 47.1 km

c) .471 km

d)

54 yards to cm

a) 4937.76 cm

b) 493.77 cm

c) 4.94 cm

d)

________ measures distance

a) Gram

b) Meter

c) Liter

d) Celsius

________ measures temperature

a) Gram

b) Meter

c) Liter

d) Celsius

What is required to construct a good, correct manual graph?

a) Notebook paper and a pencil

b) Ruler, graph paper, pencil

c) Lots of marbles

d)

You are trying to stand across the room and shoot a paper ball into the garbage can. You make it into the can on the first try. Is this an example of accuracy or precision?

a) Accuracy

b) Precision

c)

d)

A person is doing an experiment and part of this experiment is to measure the time it takes a piece of paper to land on the floor from a height of 3 meters. Which of the following possible measurements show precision?

a) A time of 0.0025s

b) Trial 1: 0.0024s, Trial 2: 0.0023s, Trial 3: 0.0024s

c) Trial 1: 1s, Trial 2: 0.0011s, Trial 3: 0.5466s

d)

How many feet are in a football field (100 yards)

a) 300 ft

b) 30ft

c) 3 ft

d)

Main Street is approximately 0.25 miles long. How many yards long is Main Street if 1 mile is equal to 1760 yards?

a) 440 yds

b) 7040 yds

c) 470 yds

d)

The ___________ variable is the one being observed and recorded

a) Dependent

b) Independent

c) None of the above

d)

Which of the following is true about variables ?

a) Changing more than one variable shows which variable is responsible for the results of the experiment

b) It is impossible for scientists to control variables in experiments; experiments are totally random

c) If more than one variable is changed, it is impossible to know which one caused the results of the experiment

d)

The ___________ variable is the one that the experimenter changes on purpose

a) Dependent

b) Independent

c) None of the above

d)

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