Reviewer

Question 1

It is a branch of science that describes matter, energy, space, and time at the most fundamental level

Answer 1

Physics

Question 2

It is a process of writing very small and very large numbers using powers of 10

Answer 2

Scientific Notation

Question 3

These are all the digits that are known accurately

Answer 3

Significant Figures

Question 4

These are the units based on powers of ten and are used in scientific work and in European countries

Answer 4

Metric System of Units

Question 5

These are basic types of units such as time, length, and mass

Answer 5

Dimensions

Question 6

It is the number by which a quantity is multiplied or divided when it changes form

Answer 6

Factor

Question 7

It is when one quantity increases/decreases, while the other quantity increases/decreases as well

Answer 7

Direct Proportion

Question 8

It is when one quantity increases and the other quantity decreases

Answer 8

Inverse Proportion

Question 9

It is a process of comparing quantities with standard

Answer 9

Measurement

Question 10

It is about building conceptual and mathematical and comparing observations

Answer 10

Approximation

Question 11

This is any quantity or property of a material or a system that can be quantified and measured by using numbers

Answer 11

Physical Quantity

Question 12

These are the basic quantities that are independent of one another

Answer 12

Fundamental Quantities

Question 13

These are the combinations of fundamental quantities

Answer 13

Derived Quantities

Question 14

It is a measure of how close a measurement comes to the actual value of whatever is being measured

Answer 14

Accuracy

Question 15

It is a measure of how close a series of measurements are to one another, irrespective of the actual value

Answer 15

Precision

Question 16

It is the difference between the result of the measurement and the true value and it is a mathematical way to show the uncertainty in the measurement

Answer 16

Error

Question 17

It is a result of unpredictable changes during data measurement and it is a chance difference between the observed and true values of something

Answer 17

Random Error

Question 18

It usually comes from the measuring instrument itself. It is a consistent or proportional difference between the observed and true values of something

Answer 18

Systematic Error

Question 19

It is the absolute value of the measured experimental value minus the accepted value divided by the accepted value, multiplied by 100%

Answer 19

Percent Error

Question 20

These are quantities that can have magnitude, algebraic sign, and units but not a direction in space

Answer 20

Scalar Quantities

Question 21

These are quantities with magnitude and have physical direction in space

Answer 21

Vector Quantities

Question 22

It is the process of combining two vectors

Answer 22

Composition

Question 23

It is a single sum of two or more vectors

Answer 23

Resultant

Question 24

It is the science of describing the motion of objects using words, diagrams, numbers, graphs, and equations

Answer 24

Kinematics

Question 25

It is a scalar quantity that refers to how much ground an object has covered during its motion

Answer 25

Distance

Question 26

It is a vector quantity that refers to how far out of place an object is

Answer 26

Displacement

Question 27

It is a scalar quantity that refers to how fast an object is moving

Answer 27

Speed

Question 28

It is the speed at a particular moment in time

Answer 28

Instantaneous Speed

Question 29

It is a vector quantity that refers to the rate at which an object changes its position

Answer 29

Velocity

Question 30

It is the velocity at a specific instant of time

Answer 30

Instantaneous Velocity

Question 31

It is a vector quantity defined as the rate of an object changes its velocity

Answer 31

Acceleration