Science 10 - Physics

Question 1

What is Distance?

Answer 1

The amount of space between two objects or points.

Question 2

What are the most measured units?

Answer 2

km (Kilometres) and m (Meter)

Question 3

What is Time?

Answer 3

The duration between two events.

Question 4

What is Position?

Answer 4

Is an object’s location relative to a reference point (starting point).

Question 5

What is Uniform Motion?

Answer 5

Motion at a constant speed in a straight line.

Question 6

What is Certainty?

Answer 6

When measuring record all that are digits that are certain plus one uncertain digit (an educated guess).

Question 7

What is Certainty ‘Plus-One’ called?

Answer 7

Significant Figures (Sig-figs).

Question 8

What are Defined Values (or Counted Values)?

Answer 8

They are numbers with an infinite number of significant digits. (ex : 15 students and 25 CDs) There are no sig-figs for this number.

Question 9

In which direction does the arrow go in for Non-Decimal Sig-Figs?

Answer 9

Right to Left

Question 10

In which direction does the arrow go in for Decimal Sig-Figs?

Answer 10

Left to Right

Question 11

What is 0?

Answer 11

The undefined value.

Question 12

0 is not always ________.

Answer 12

Significant

Question 13

What is the Least Sig-Fig Rule (LSR)?

Answer 13

When multiplying or dividing, the answer has the same number of significant figures as the measurement with the fewest number of significant figures.

Question 14

What is Scientific Notation?

Answer 14

Used to help with very large or very small numbers in Physics.

Question 15

What is the Converting Units Rule?

Answer 15

Use conversion factors to eliminate by multiplication and division using brackets.

Question 16

What is the Rate of Change?

Answer 16

A measure of how fast a quantity changes per unit of time.

Question 17

What is Speed (v)?

Answer 17

The rate of change in distance of an object.

Question 18

What is Average Speed (Vₐᵥ)?

Answer 18

The total distance divided by the total time for a trip.

Question 19

What is Velocity?

Answer 19

Velocity is the change in position (displacement divided by time).

Question 20

What are the Units of Velocity?

Answer 20

m/s & km/hr

Question 21

What is Delta (Δ)?

Answer 21

Means a Change In:

Question 22

How do you calculate Average Speed?

Answer 22

Step 1 ) List all given information.

Step 2) Write down the appropriate equation.

Step 3 ) Insert numbers in place of variable.

Step 4) Solve for answer, give with correct sig-figs and units.

Question 23

What goes on the X-Axis?

Answer 23

Independent Variable

Question 24

What goes on the Y-Axis?

Answer 24

Dependent Variable

Question 25

What numbers is used to round a graph?

Answer 25

1 , 2 & 5

Question 26

What is a Line of Best Fit?

Answer 26

A line that connects dots as much as possible. However, if it cannot go through all dots, equal amount of dots should be on the left and right side of the dots.

Question 27

What does ‘y = mx + b’ become?

Answer 27

Δd = vΔt

Question 28

What is Slope?

Answer 28

The slope of a graph is equal to rise/run.

Question 29

What is Slope for Distance - Time Graphs?

Answer 29

The slope is equal to the velocity which is equal to distance/time.

Question 30

What is Area for Distance - Time Graphs?

Answer 30

The area under the curve of a speed - time graph is the distance traveled.

Question 31

A slope of a linear line will always be ____.

Answer 31

Constant

Question 32

What is Instantaneous Position?

Answer 32

This is a one to one relationship between time and position. At one time there can only be one position.

Question 33

What is Instantaneous Velocity?

Answer 33

This is a one to one relationship between time and velocity. At one time there can only be one velocity.

Question 34

What is Distance?

Answer 34

How far one has traveled in trip total.

Question 35

What is Position?

Answer 35

How far away from the starting point you are when you stop.

Question 36

What is Displacement?

Answer 36

Is the change in position of an object.

Question 37

What is Speed?

Answer 37

Is the change in time in distance divided by the change in time.

Question 38

What is Velocity?

Answer 38

Velocity is the change in position divided by the change in time.

Question 39

What can Speed be?

Answer 39

Only positive.

Question 40

What can Displacement be?

Answer 40

Positive & Negative

Question 41

What is Scalar?

Answer 41

A quantity that requires magnitude only (always positive).

Question 42

What is Vector?

Answer 42

A quantity that requires magnitude and direction (can be both, positive and negative).

Question 43

Scalar or Vector?
Speed

Answer 43

Scalar

Question 44

Scalar or Vector?
Position / Displacement

Answer 44

Vector

Question 45

Scalar or Vector?
Velocity

Answer 45

Vector

Question 46

Scalar or Vector?
Distance

Answer 46

Scalar

Question 47

What is Acceleration (a)?

Answer 47

The rate of change in velocity and is calculated by the ratio of the change in velocity to the time interval.

Question 47

What is Acceleration (a)?

Answer 47

The rate of change in velocity and is calculated by the ratio of the change in velocity (Δv) to the time interval (Δt).

Question 48

Scalar or Vector?
Time

Answer 48

Scalar

Question 49

What is Constant Acceleration?

Answer 49

The same change in velocity (Δv) occurs in each equal interval of time (Δt).

Question 50

How do you calculate Acceleration?

Answer 50

It is similar to our speed calculations. Final Velocity minus Initial Velocity over Time.

Question 51

What is GUESS?

Answer 51

G - Givens
U - Unknowns
E - Equations
S - Substitute
S - Solve (with correct sig-figs and units)

Question 52

What calculating methods use GUESS?

Answer 52

Speed and Acceleration

Question 53

What does Deceleration signify?

Answer 53

A negative will be present.