Quiz about Learning Objectives - Planning and Conducting

Question 1

In science, what is a variable?

Accepted Answer

A) Anything that can be controlled, changed or measured in an experiment

Answer

B) Only something that can be measured

Answer

C) Only something that can be changed

Answer

D) Only something that can be controlled

Question 2

There are three types of variables in an investigation: ________, dependent, and independent variables.

Accepted Answer

controlled

Answer

random

Answer

manipulated

Answer

extraneous

Question 3

Which of the following is NOT a type of variable in an investigation?

Accepted Answer

Random

Answer

Controlled

Answer

Dependent

Answer

Independent

Question 4

What is the independent variable in an experiment?

Accepted Answer

The thing you change

Answer

The thing you measure

Answer

The thing that remains the same

Question 5

What is the dependent variable in an experiment?

Accepted Answer

The thing you measure

Answer

The thing you change

Answer

The thing that remains the same

Question 6

What are controlled variables in an experiment?

Accepted Answer

Any other variable that remains the same

Answer

The thing you change

Answer

The thing you measure

Question 7

In the investigation 'which type of soil makes the plant grow the fastest', what is the independent variable?

Accepted Answer

soil

Answer

amount of water

Answer

type of plant

Answer

amount of sunlight

Question 8

In the investigation 'which type of soil makes the plant grow the fastest', what is the dependent variable?

Accepted Answer

Plant growth

Answer

Type of soil

Answer

Amount of sunlight

Answer

Amount of water

Question 9

In the investigation 'which type of soil makes the plant grow the fastest', which of the following is a controlled variable?

Accepted Answer

C) Amount of water each test gets

Answer

A) Type of soil

Answer

B) Plant growth

Answer

D) None of the above

Question 10

Identify the independent, dependent, and controlled variables in the experiment: Investigate what type of ball rolls furthest down a ramp.

Accepted Answer

Independent variable: type of ball; Dependent variable: distance rolled; Controlled variables: ramp, surface, starting point

Answer

Independent variable: ramp height; Dependent variable: type of ball; Controlled variables: distance rolled, surface

Answer

Independent variable: distance rolled; Dependent variable: type of ball; Controlled variables: ramp, surface

Answer

Independent variable: surface type; Dependent variable: ramp height; Controlled variables: type of ball, distance rolled

Question 11

In science, what is a fair test?

Accepted Answer

A test where you only change one variable and keep all other variables the same

Answer

A test where you change all variables

Answer

A test where you do not change any variables

Answer

A test where you change two variables

Question 12

According to the poster 'How to Plan a Fair Test', what does the 'C' in 'Cows' stand for?

Accepted Answer

Change one thing

Answer

Measure something

Answer

Keep everything else the Same

Question 13

According to the poster 'How to Plan a Fair Test', what does the 'M' in 'Moo' stand for?

Accepted Answer

Measure something

Answer

Change one thing

Answer

Keep everything else the Same

Question 14

According to the poster 'How to Plan a Fair Test', what does the 'S' in 'Softly' stand for?

Accepted Answer

Keep everything else the Same

Answer

Change one thing

Answer

Measure something

Question 15

When planning and conducting an investigation, why is it important to use the right equipment for what you are measuring?

Accepted Answer

It allows for more accurate and specific measurements.

Answer

It makes the experiment more expensive.

Answer

It ensures the results are always positive.

Answer

It reduces the need for safety precautions.

Question 16

Which of the following is used to measure temperature?

Accepted Answer

Thermometer

Answer

Beaker

Answer

Test tube

Answer

Timer

Question 17

Name two examples of equipment mentioned in the passage that are used in scientific investigations.

Accepted Answer

Beakers, test tubes, measuring cylinders, Bunsen burners, timers, thermometer (any two)

Answer

Chairs, tables, blackboards, erasers, chalk (any two)

Answer

Pens, pencils, notebooks, rulers, erasers (any two)

Answer

Shoes, hats, gloves, scarves, belts (any two)

Question 18

Using a timer to measure time instead of counting is an example of using the right equipment.

Accepted Answer

True

Answer

False

Question 19

What is one reason digital cameras are useful in scientific measurements?

Accepted Answer

They allow us to go back and look at what happened so we can get a more accurate measurement.

Answer

They automatically analyze all data without human input.

Answer

They can only take black and white photos.

Answer

They replace the need for any other scientific instruments.

Question 20

According to the passage, what is one way to measure how high someone can jump using a camera?

Accepted Answer

By recording them jumping next to a ruler and checking frame-by-frame

Answer

By guessing the height

Answer

By asking them how high they think they jumped

Answer

By using a stopwatch

Question 21

For each of the investigations described you need to identify the independent variable (IV) and the dependent variable (DV). Remember: the independent variable is changed by the investigator, and the dependent variable is measured and recorded. 1. John was investigating how the amount of sunlight affects the size of the leaves of a tree.

Accepted Answer

IV: Amount of sunlight DV: Size of the leaves of a tree

Answer

IV: Size of the leaves of a tree DV: Amount of sunlight

Answer

IV: Type of tree DV: Amount of sunlight

Answer

IV: Size of the leaves of a tree DV: Type of tree

Question 22

For each of the investigations described you need to identify the independent variable (IV) and the dependent variable (DV). Remember: the independent variable is changed by the investigator, and the dependent variable is measured and recorded. 2. Madeline carried out a test to see if the height of a person was related to how fast they can run.

Accepted Answer

IV: Height of a person DV: How fast they can run

Answer

IV: How fast they can run DV: Height of a person

Answer

IV: Age of a person DV: How fast they can run

Answer

IV: Height of a person DV: Age of a person

Question 23

For each of the investigations described you need to identify the independent variable (IV) and the dependent variable (DV). Remember: the independent variable is changed by the investigator, and the dependent variable is measured and recorded. 3. Akbar did a scientific investigation to measure how much energy was stored in different types of crisps.

Accepted Answer

IV: Types of crisps DV: Amount of energy stored

Answer

IV: Amount of energy stored DV: Types of crisps

Answer

IV: Types of crisps DV: Flavour of crisps

Answer

IV: Colour of crisps DV: Amount of energy stored

Question 24

For each of the investigations described you need to identify the independent variable (IV) and the dependent variable (DV). Remember: the independent variable is changed by the investigator, and the dependent variable is measured and recorded. 4. Jayden conducted a survey to find out if the most common hair colour was the same in boys and girls.

Accepted Answer

IV: Gender (boys and girls) DV: Most common hair colour

Answer

IV: Most common hair colour DV: Gender (boys and girls)

Answer

IV: Boys and girls with brown hair DV: Number of surveys conducted

Answer

IV: Survey method DV: Hair colour of investigator

Question 25

For each of the investigations described you need to identify the independent variable (IV) and the dependent variable (DV). Remember: the independent variable is changed by the investigator, and the dependent variable is measured and recorded. For each dependent variable you identify, suggest a piece of equipment that could be used to measure it, and the units of measure that are most appropriate. 1. Elizabeth carried out an investigation to observe the relationship between water temperature and how quickly it can be frozen.

Accepted Answer

IV: Water temperature DV: Time taken to freeze Equipment: Stopwatch or timer Units: Seconds or minutes

Answer

IV: Time taken to freeze DV: Water temperature Equipment: Thermometer Units: Degrees Celsius

Answer

IV: Water volume DV: Water temperature Equipment: Measuring cylinder Units: Milliliters

Answer

IV: Type of container DV: Water temperature Equipment: Thermometer Units: Degrees Celsius

Question 26

For each of the investigations described you need to identify the independent variable (IV) and the dependent variable (DV). Remember: the independent variable is changed by the investigator, and the dependent variable is measured and recorded. For each dependent variable you identify, suggest a piece of equipment that could be used to measure it, and the units of measure that are most appropriate. 2. Rhys was investigating how far a car continued to travel after braking on different road surfaces.

Accepted Answer

IV: Type of road surface DV: Distance traveled after braking Equipment: Measuring tape or meter stick Units: Meters or centimeters

Answer

IV: Speed of the car DV: Type of road surface Equipment: Stopwatch Units: Seconds

Answer

IV: Distance traveled after braking DV: Type of road surface Equipment: Thermometer Units: Degrees Celsius

Answer

IV: Type of car DV: Color of the road surface Equipment: Ruler Units: Inches

Question 27

John was investigating how the amount of sunlight affects the size of the leaves of a tree. IV: ________ DV: ________ (Identify the independent variable (IV) and dependent variable (DV) in the scenario.)

Accepted Answer

IV: amount of sunlight; DV: size of the leaves

Answer

IV: size of the leaves; DV: amount of sunlight

Answer

IV: type of tree; DV: amount of sunlight

Answer

IV: size of the leaves; DV: type of tree

Question 28

Madeline carried out a test to see if the height of a person was related to how fast they can run. (Identify the independent variable (IV) and dependent variable (DV) in the scenario.)

Accepted Answer

IV: height of the person; DV: how fast they can run

Answer

IV: how fast they can run; DV: height of the person

Answer

IV: age of the person; DV: how fast they can run

Answer

IV: weight of the person; DV: how fast they can run

Question 29

Akbar did a scientific investigation to measure how much energy was stored in different types of crisps. (Identify the independent variable (IV) and dependent variable (DV) in the scenario.)

Accepted Answer

IV: type of crisp; DV: how much energy

Answer

IV: how much energy; DV: type of crisp

Answer

IV: amount of salt; DV: type of crisp

Answer

IV: temperature; DV: amount of salt

Question 30

Jayden conducted a survey to find out if the most common hair colour was the same in boys and girls. (Identify the independent variable (IV) and dependent variable (DV) in the scenario.)

Accepted Answer

IV: boys or girls; DV: hair colour

Answer

IV: hair colour; DV: boys or girls

Answer

IV: age; DV: hair colour

Answer

IV: hair colour; DV: age

Question 31

Elizabeth carried out an investigation to observe the relationship between water temperature and how quickly it can be frozen. What is the independent variable (IV)?

Accepted Answer

temperature

Answer

amount of water

Answer

type of container

Answer

freezing time

Question 32

Elizabeth carried out an investigation to observe the relationship between water temperature and how quickly it can be frozen. What is the dependent variable (DV)?

Accepted Answer

time

Answer

amount of water

Answer

type of container

Answer

initial temperature of water

Question 33

Elizabeth carried out an investigation to observe the relationship between water temperature and how quickly it can be frozen. What equipment is used?

Accepted Answer

timer/stopwatch

Answer

thermometer

Answer

measuring cylinder

Answer

bunsen burner

Question 34

Elizabeth carried out an investigation to observe the relationship between water temperature and how quickly it can be frozen. What are the units?

Accepted Answer

minutes/hours

Answer

grams/liters

Answer

degrees/meters

Answer

seconds/centimeters

Question 35

Rhys was investigating how far a car continued to travel after braking on different road surfaces. What is the independent variable (IV)?

Accepted Answer

road surface

Answer

braking force

Answer

car speed

Answer

distance traveled

Question 36

Rhys was investigating how far a car continued to travel after braking on different road surfaces. What is the dependent variable (DV)?

Accepted Answer

distance

Answer

type of road surface

Answer

speed of the car before braking

Answer

time of day

Question 37

Rhys was investigating how far a car continued to travel after braking on different road surfaces. What equipment is used?

Accepted Answer

tape measure/trundle wheel

Answer

stopwatch

Answer

thermometer

Answer

barometer

Question 38

Rhys was investigating how far a car continued to travel after braking on different road surfaces. What are the units?

Accepted Answer

metres

Answer

seconds

Answer

kilograms

Answer

litres

Question 39

Zi Xin was carrying out an experiment to see how the number of bulbs in a circuit affected the brightness of the light produced. What is the independent variable (IV)?

Accepted Answer

number of bulbs

Answer

type of wire used

Answer

brightness of the bulbs

Answer

amount of electricity supplied

Question 40

Zi Xin was carrying out an experiment to see how the number of bulbs in a circuit affected the brightness of the light produced. What is the dependent variable (DV)?

Accepted Answer

bulb brightness

Answer

number of bulbs

Answer

type of wire

Answer

size of battery

Question 41

Zi Xin was carrying out an experiment to see how the number of bulbs in a circuit affected the brightness of the light produced. What equipment is used?

Accepted Answer

data logger (light intensity sensor)/PC

Answer

thermometer

Answer

ammeter

Answer

stopwatch

Question 42

Zi Xin was carrying out an experiment to see how the number of bulbs in a circuit affected the brightness of the light produced. What are the units?

Accepted Answer

percentage/lumens

Answer

watts/meters

Answer

seconds/volts

Answer

amps/ohms

Question 43

For each item below, specify the independent and dependent variables, as well as constants. 1. A study was done to find if different tire treads affect the braking distance of a car.

Accepted Answer

I: Tire treads D: Braking distance C: Car, road conditions, speed, etc.

Answer

I: Braking distance D: Tire treads C: Car, road conditions, speed, etc.

Answer

I: Car D: Tire treads C: Braking distance, road conditions, speed, etc.

Answer

I: Speed D: Braking distance C: Car, tire treads, road conditions, etc.

Question 44

For each item below, specify the independent and dependent variables, as well as constants. 3. The height of bean plants depends on the amount of water they receive.

Accepted Answer

I: Amount of water D: Height of bean plants C: Type of plant, soil, sunlight, etc.

Answer

I: Height of bean plants D: Amount of water C: Type of plant, soil, sunlight, etc.

Answer

I: Type of plant D: Height of bean plants C: Amount of water, soil, sunlight, etc.

Answer

I: Sunlight D: Height of bean plants C: Amount of water, type of plant, soil, etc.

Question 45

For each item below, specify the independent and dependent variables, as well as constants. 4. The higher the temperature of the air in the oven, the faster a cake will bake.

Accepted Answer

I: Temperature of air in oven D: Time to bake cake C: Cake ingredients, oven, cake size, etc.

Answer

I: Time to bake cake D: Temperature of air in oven C: Cake ingredients, oven, cake size, etc.

Answer

I: Cake ingredients D: Temperature of air in oven C: Time to bake cake, oven, cake size, etc.

Answer

I: Oven type D: Cake size C: Temperature of air in oven, cake ingredients, time to bake cake

Question 46

For each item below, specify the independent and dependent variables, as well as constants. 5. Lemon trees receiving the most water produced the most lemons. I: ________________ D: ________________ C: ________________

Accepted Answer

I: Amount of water D: Number of lemons produced C: Type of tree, soil, sunlight, etc.

Answer

I: Number of lemons produced D: Amount of water C: Type of tree, soil, sunlight, etc.

Answer

I: Type of tree D: Amount of water C: Number of lemons produced, soil, sunlight, etc.

Answer

I: Sunlight D: Type of tree C: Amount of water, soil, number of lemons produced, etc.

Question 47

For each item below, specify the independent and dependent variables, as well as constants. 6. An investigation found that more bushels of potatoes were produced when the soil was fertilized more.

Accepted Answer

I: Amount of fertilizer D: Bushels of potatoes produced C: Type of potato, soil, water, sunlight, etc.

Answer

I: Type of potato D: Amount of fertilizer C: Bushels of potatoes produced, soil, water, sunlight, etc.

Answer

I: Sunlight D: Type of potato C: Amount of fertilizer, soil, water, bushels of potatoes produced, etc.

Answer

I: Water D: Soil type C: Amount of fertilizer, type of potato, sunlight, bushels of potatoes produced, etc.

Question 48

For each item below, specify the independent and dependent variables, as well as constants. 7. Students measured the temperature of the water at different depths in Lake Skywalker and found that the temperature varied.

Accepted Answer

I: Depth of water D: Temperature of water C: Location, time of day, equipment, etc.

Answer

I: Temperature of water D: Depth of water C: Location, time of day, equipment, etc.

Answer

I: Location D: Temperature of water C: Depth of water, time of day, equipment, etc.

Answer

I: Time of day D: Depth of water C: Location, temperature of water, equipment, etc.

Question 49

For each item below, specify the independent and dependent variables, as well as constants. 8. The amount of pollution produced by cars was measured for cars using gasoline containing different amounts of lead.

Accepted Answer

I: Amount of lead in gasoline D: Amount of pollution produced C: Type of car, driving conditions, etc.

Answer

I: Type of car D: Amount of lead in gasoline C: Amount of pollution produced, driving conditions, etc.

Answer

I: Driving conditions D: Type of car C: Amount of lead in gasoline, amount of pollution produced, etc.

Answer

I: Amount of pollution produced D: Amount of lead in gasoline C: Type of car, driving conditions, etc.

Question 50

For each experiment below, specify the independent variable, dependent variable, control group and any constants. 1. A student wanted to test how the mass of a paper airplane affected the distance it would fly. Paper clips were added before each test flight. As each paper clip was added, the plane was tested to determine how far it would fly.

Accepted Answer

Number of paper clips (mass of the airplane)

Answer

Distance the airplane was thrown

Answer

Type of paper used for the airplane

Answer

Shape of the airplane's wings

Question 51

For each experiment below, specify the independent variable, dependent variable, control group and any constants. 1. A student wanted to test how the mass of a paper airplane affected the distance it would fly. Paper clips were added before each test flight. As each paper clip was added, the plane was tested to determine how far it would fly.

Accepted Answer

Distance the airplane flies

Answer

Number of paper clips used

Answer

Type of paper used for the airplane

Answer

Shape of the airplane

Question 52

For each experiment below, specify the independent variable, dependent variable, control group and any constants. 1. A student wanted to test how the mass of a paper airplane affected the distance it would fly. Paper clips were added before each test flight. As each paper clip was added, the plane was tested to determine how far it would fly.

Accepted Answer

Paper airplane without added paper clips

Answer

Paper airplane with the most paper clips

Answer

Paper airplane with the farthest flight

Answer

Paper airplane with the shortest flight

Question 53

For each experiment below, specify the independent variable, dependent variable, control group and any constants. 1. A student wanted to test how the mass of a paper airplane affected the distance it would fly. Paper clips were added before each test flight. As each paper clip was added, the plane was tested to determine how far it would fly.

Accepted Answer

Type of paper, design of airplane, throwing method, testing area

Answer

Number of paper clips, distance flown, type of paper, wind speed

Answer

Throwing force, paper color, number of flights, pilot's age

Answer

Flight path, paper size, number of throws, time of day

Question 54

For each experiment below, specify the independent variable, dependent variable, control group and any constants. 2. Two groups of students were tested to compare their speed working math problems. Each group was given the same problems. One group used calculators and the other group computed without calculators.

Accepted Answer

Use of calculators

Answer

Number of students in each group

Answer

Type of math problems given

Answer

Time of day the test was conducted

Question 55

For each experiment below, specify the independent variable, dependent variable, control group and any constants. 2. Two groups of students were tested to compare their speed working math problems. Each group was given the same problems. One group used calculators and the other group computed without calculators.

Accepted Answer

Speed of solving math problems

Answer

Type of calculator used

Answer

Number of students in each group

Answer

Difficulty of the math problems

Question 56

For each experiment below, specify the independent variable, dependent variable, control group and any constants. 2. Two groups of students were tested to compare their speed working math problems. Each group was given the same problems. One group used calculators and the other group computed without calculators. Which of the following is the control group?

Accepted Answer

Group without calculators

Answer

Group with calculators

Answer

Both groups

Answer

Neither group

Question 57

For each experiment below, specify the independent variable, dependent variable, control group and any constants. 2. Two groups of students were tested to compare their speed working math problems. Each group was given the same problems. One group used calculators and the other group computed without calculators.

Accepted Answer

Same math problems, same testing environment, same time limit

Answer

Different math problems, different testing environment, different time limit

Answer

Same math problems, different calculators, different time limit

Answer

Different students, different math problems, same time limit

Question 58

For each experiment below, specify the independent variable, dependent variable, control group and any constants. 3. Students of different ages were given the same puzzle to assemble. The puzzle assembly time was measured.

Accepted Answer

Age of students

Answer

Type of puzzle

Answer

Puzzle assembly time

Answer

Number of students

Question 59

For each experiment below, specify the independent variable, dependent variable, control group and any constants. 3. Students of different ages were given the same puzzle to assemble. The puzzle assembly time was measured.

Accepted Answer

Puzzle assembly time

Answer

Age of students

Answer

Type of puzzle

Answer

Number of students

Question 60

For each experiment below, specify the independent variable, dependent variable, control group and any constants. 3. Students of different ages were given the same puzzle to assemble. The puzzle assembly time was measured.

Accepted Answer

Same puzzle, same instructions, same environment

Answer

Different puzzles, different instructions, different environment

Answer

Same puzzle, different instructions, different environment

Answer

Different puzzles, same instructions, different environment

Question 61

For each experiment below, specify the independent variable, dependent variable, control group and any constants. An experiment was performed to determine how the amount of coffee grounds could affect the taste of coffee. The same kind of coffee, the same percolator, the same amount and type of water, the same perking time, and the same electrical sources were used.

Accepted Answer

Amount of coffee grounds

Answer

Type of percolator used

Answer

Amount of water used

Answer

Type of electrical source

Question 62

For each experiment below, specify the independent variable, dependent variable, control group and any constants. An experiment was performed to determine how the amount of coffee grounds could affect the taste of coffee. The same kind of coffee, the same percolator, the same amount and type of water, the same perking time, and the same electrical sources were used.

Accepted Answer

Taste of coffee

Answer

Amount of coffee grounds

Answer

Type of percolator

Answer

Type of water

Question 63

For each experiment below, specify the independent variable, dependent variable, control group and any constants. An experiment was performed to determine how the amount of coffee grounds could affect the taste of coffee. The same kind of coffee, the same percolator, the same amount and type of water, the same perking time, and the same electrical sources were used.

Accepted Answer

Kind of coffee, percolator, amount and type of water, perking time, electrical sources

Answer

Amount of coffee grounds, taste of coffee, type of water, percolator

Answer

Percolator, amount of coffee grounds, taste of coffee, electrical sources

Answer

Taste of coffee, percolator, amount and type of water, perking time

Question 64

Which people are in the control group?

Accepted Answer

The people who do not receive the experimental treatment

Answer

The people who receive the experimental treatment

Answer

The people who design the experiment

Answer

The people who analyze the results

Learning Objectives - Planning and Conducting

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