Independent & Dependent Variables, Constants, and Control

Question 1

The Scientific Method is a systematic approach to how scientists develop theories and laws.

Accepted Answer

True

Question 2

The speed of sound depends on the medium in which the wave propagates. What is the DV?

Accepted Answer

speed of sound

Question 3

How does the type of surface affect the braking distance of a vehicle? What is a Constant?

Accepted Answer

vehicle

Question 4

How does the location in the refrigerator affect the expiration date of eggs? What is the IV?

Accepted Answer

location in the refrigerator

Question 5

How does the design of spoiler affect the amount of drag on a vehicle? What is the Control?

Accepted Answer

vehicle with no spoiler

Question 6

How does altitude affect the boiling point of water? What is a Constant?

Accepted Answer

source of water

Question 7

Quantitative Data is numerical information by means of measurements.

Accepted Answer

True

Question 8

The freezing point of water depends on the salt content. What is the Control?

Accepted Answer

water with no salt

Question 9

The pH of a solution depends on the concentration of ions.What is the IV?

Accepted Answer

concentration of ions

Question 10

Qualitative Data is information that describes color, odor, or other physical characteristics.

Accepted Answer

True

Question 11

The solubility of borax depends on the temperature of water. What is the DV?

Accepted Answer

solubility of borax

Question 12

The Conclusion is a summary of the results.

Accepted Answer

False

Question 13

How does genre of music affect productivity? What is the DV?

Accepted Answer

productivity

Question 14

How does the type of material affect the rate of temperature loss of substance? What is the DV?

Accepted Answer

temperature/time

Question 15

How does the concentration of acid affect the amount of product yielded? What is the DV?

Accepted Answer

amount of product yielded

Question 16

The amount of roses in bloom in a greenhouse depends on the type of rose. What is the Control?

Accepted Answer

roses grown outside in normal conditions

Question 17

How does the type of EM radiation affect the rate at which plants grow. What is the IV?

Accepted Answer

type of electromagnetic (EM) radiation

Question 18

The amount of skin damage depends on the duration of exposure to radiation. What is the DV?

Accepted Answer

amount of skin damage

Question 19

How does velocity with which a ball is thrown affect its horizontal range? What is a Constant?

Accepted Answer

angle

Question 20

How does the force/push applied to an object affect the distance it moves? What is a Constant?

Accepted Answer

object

Question 21

How does pendulum length affect the period at which it oscillates? What is the IV?

Accepted Answer

length of pendulum

Question 22

How does the type of material affect the amount of heat energy dissipated? What is the IV?

Accepted Answer

type of material

Question 23

The thickness of human hair depends on natural hair color. What is the IV?

Accepted Answer

natural hair color

Question 24

How does conventional vs. organic produce affect the size/taste? Qualitative data collected?

Accepted Answer

taste

Question 25

A Scientific Law is an explanation of natural phenomenon based on many observations over time.

Accepted Answer

False

Question 26

How does the size of a loop on a roller coaster affect the amount of G-force? What is the DV??

Accepted Answer

amount of G-force

Question 27

How does the pH of different foods affect their taste? What is the Control?

Accepted Answer

distilled/deionized water

Question 28

How does gravitational acceleration affect the weight of an object? What is a Constant?

Accepted Answer

mass of object

Question 29

How does type of fertilizer affect plant growth? What is the Control?

Accepted Answer

plant with no fertilizer added

Question 30

How does the amount of force applied to a surface affect the pressure? What is a Constant?

Accepted Answer

area of surface

Question 31

How does temperature affect the expiration date of bread? What is a Constant?

Accepted Answer

type of bread

Question 32

An Experiment is a set of controlled observations that test the hypothesis.

Accepted Answer

True

Question 33

How does the amount of practice affect performance during game-play? What is the IV?

Accepted Answer

amount of practice

Question 34

How does the amount of caffeine affect blood pressure?What is the DV?

Accepted Answer

blood pressure

Question 35

How does the amount of calories consumed/day affect a person's weight? What is the Control?

Accepted Answer

accepted daily value of calories

Question 36

The ability whether an object floats/sinks depends on its density. Qualitative data collected?

Accepted Answer

object sink or float

Question 37

How does voltage affect the angular velocity of an electric motor? What is the DV?

Accepted Answer

angular velocity

Question 38

The Control or Control Group is...

Accepted Answer

a group used as a standard.

Question 39

The Constants are...

Accepted Answer

the variables that remain the same.

Question 40

How does the mass affect the distance a paper air-plane will fly? What is the Control?

Accepted Answer

paper air-plane with no mass added

Question 41

How does climate at which apples are grown affect their size/taste? Quantitive data collected?

Accepted Answer

size

Question 42

A tentative explanation for what has been observed. Which word does this definition apply to?

Accepted Answer

Hypothesis

Question 43

The velocity of an object rolling down an inclined plane depends on the MoI. What is the DV?

Accepted Answer

velocity

Question 44

The number of potatoes grown depends on the mineral content in soil.What is the IV?

Accepted Answer

mineral content in soil

Question 45

The tensile strength of a plastic bag depends on the amount of added mass. What is the IV?

Accepted Answer

amount of mass

Question 46

How does type of jump into a pool affect the magnitude of splash? What is a Constant?

Accepted Answer

person jumping

Question 47

A Theory is a relationship in nature that is supported by many experiments.

Accepted Answer

False

Question 48

How does molecular weight of alkanes affect melting point? What is the DV?

Accepted Answer

melting point of alkane

Question 49

The Dependent Variable is...

Accepted Answer

the variable that you measure.

Question 50

How does the amount of sleep affect a person's productivity? What is the IV?

Accepted Answer

amount of sleep

Question 51

The Independent Variable is...

Accepted Answer

the variable that you plan to change.

Question 52

How does homework completion correlate to exam grades? What is the IV?

Accepted Answer

homework completion

Question 53

An individual's heart rate depends on the type of physical activity.What is the IV?

Accepted Answer

type of physical activity

Question 54

How does the amount of baking powder/soda affect the height a cake will rise? What is the DV?

Accepted Answer

height of the cake

Question 55

How does the medium in which light travels affect its velocity? What is the Control?

Accepted Answer

light traveling in a vacuum

Independent & Dependent Variables, Constants, and Control

Questions 55

Independent & Dependent Variables, Constants, and Control

Questions 55