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WorksheetsFair test grade 4
Total questions: 70
Worksheet time: 1hrs 7mins
Mr Tan conducts an experiment to find out whether temperature of the environment affects the rate of evaporation of water. Which should be the variable changed in this experiment?
temperature
temperature of the environment
rate of evaporation
rate of evaporation of water
Mrs Tan conducts an experiment to find out whether exposed surface area of the water affects the rate of evaporation of water. Which should be the variable measured in this experiment?
exposed surface area
exposed surface area of water
rate of evaporation
rate of evaporation of water
An experiment was conducted to study the effect of temperature of water on the rate of evaporation of water. Which should be the variable measured in this experiment?
temperature
temperature of water
rate of evaporation
rate of evaporation of water
An experiment was conducted to study the effect of the presence of heating lamp on the rate of evaporation of water. Which should be the variable changed in this experiment?
temperature
presence of heating lamp
rate of evaporation
rate of evaporation of water
An experiment was conducted to study the how is the water left in the cup affected by the presence of wind. Which should be the variable changed in this experiment?
amount of wind
presence of wind
water left in the cup
water evaporated
An experiment was conducted to study how does the extension of the spring affected by the mass of the object. What is the variable measured in this experiment?
extension of spring
mass of object
length of spring
weight of object
An experiment was conducted to determine if a basketball bounces higher on a harder surface. Which should be the variable measured in this experiment?
type of surface
hardness of surface
height of basketball after the bounce
height of basketball before the bounce
An experiment was conducted to determine if the magnetic force of a magnet is affected by the size of the magnet. Which should be the variable measured in this experiment?
size of magnet
length of magnet
number of steel pins attracted by magnet
distance between magnet and the steel pins
Miss Tan conducts an experiment to find out whether exposed surface area of the water affects the rate of evaporation of water. Which could be the variable changed in this experiment?
size of bowl
depth of bowl
amount of water left in the bowl
amount of water evaporated from the bowl
Mdm Tan conducts an experiment to find out whether thickness of the material affects the transparency of the object. Which could be the variable measured in this experiment?
thickness of paper
type of material
amount of light which passed through the object
distance between the object and the light source
Prof Tan conducts an experiment to find out whether thickness of the material affects the transparency of the object. Which should be the variable to keep constant in this experiment?
thickness of paper
type of material
amount of light which passed through the object
amount of light which is blocked by the object
An experiment was conducted to study the effect of temperature of water on the rate of evaporation of water. Which should be the variable to stay constant in this experiment?
amount of water before the experiment
temperature of water
amount of water evaporated
amount of water after the experiment
Based on the graph shown, what is the variable changed of the experiment done?
length of spring
mass loaded on spring
length
mass
Based on the graph shown, what is the variable measured of the experiment done?
temperature
°C
time
min
Based on the graph shown, what is the variable measured of the experiment done?
length
length of spring
mass loaded
mass loaded on spring
Based on the graph shown, what is the variable changed of the experiment done?
force
spring
length
type of spring
Based on the table shown, what is the variable changed of the experiment done?
type of material
amount of water evaporated
unit
amount of material
Based on the table shown, what is the variable changed of the experiment done?
distance from candle
time taken to drop off
cm
minute
Based on the table shown, what is the variable measured of the experiment done?
number of mealworms
presence of mealworms
number of birds
presence of birds
Based on the table shown, what is the variable measured of the experiment done?
number of papers
number of pins attracted
mass of pins attracted
thickness of papers
Mrs. G set up an experiment to see how the type of ball affects the distance it rolls off a ramp. Identify the independent in this experiment.
distance traveled by the ball
height of the ramp
the type of ball
Mrs. Ditty wants to investigate which brand of trash bag can withstand the most amount weight before ripping. Identify the responding variable for her investigation.
amount of trash bags
brand of trash bags
amount of weight
same size trash bags
Mrs. Ditty wants to investigate which brand of trash bag can withstand the most amount weight before ripping. Identify one possible control variable for her investigation.
amount of trash bags
brand of trash bags
amount of weight
same size trash bags
Factors that remain the same in an experiment to make it fair are called the
controlled variables
manipulated variables
responding variables
tested variables
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what is the responding variable?
Type of plant
Water, apple juice, milk
Plant growth
John and Emily were experimenting with the effects of salt on plant growth. To do this, they watered plants daily with the same amount of salt water. They could best improve their experiment by
increasing the amount of salt added to the water each day
cooling the salt water before watering the plants
adding food color to see how far the salt penetrates the plants
watering half the plants with pure water and half with salt water
Hui Ling would like to test the rate of heat conduction of different materials. She set up the apparatus below with different number of ice cubes and two plates of different materials. What should she do to ensure a fair test?
Use the same type of plates and different number of ice cubes.
Use the same type of plates and the same number of ice cubes.
Use different types of plates and different number of ice cubes.
Use different types of plates and the same number of ice cubes.
Siti is testing how the age of a seed affects how fast plants grow. Look at the picture to see if you can figure out what makes her experiment unfair.
She used different types of seeds/plants.
Seed age might not make a difference.
She did not plant very many plants.
What is the CONSTANT VARIABLE (same) in this picture?
type of the plant
weight of the plant
price of the plant
What is the manipulated variable in the picture?
presence of sunlight
girl and boy
price of plant
A student wants to test the hypothesis of "If salt is added to water then the boiling point of water will decrease (go down)." What is the manipulated variable?
Whether salt is added or not
Boiling Point
Amount of water
What is the independent variable in this picture?
The amount of water
The size of plant
Mr. Pransky wants to see how different surfaces affect how high a tennis ball can bounce. What is the independent variable?
the different surfaces
using the same ball
how high they bounce
What two words should be in your hypothesis?
I think
If ...then...
It will
No idea
What variable comes after the word IF
independent variable
dependent variable
What variable comes after the word then?
independent variable
dependent variable
Choose the correctly written hypothesis for "What is the effect of putting Pam Cooking Spray on the bottom of a sled?"
I think the sled will slide faster.
If I put Pam Cooking Spray on the bottom of my sled, then I will win the race."
If I put Pam Cooking Spray on the bottom of my sled, then I will slide faster.
A students was doing an experiment using the scientific method. Every three days the student plans to count the green leaves. Which would be a good hypothesis for this experiment?
If plants are placed in direct sunlight, then they will grow more green leaves.
If plants are places in bright light, then they will grow more green leaves than in dim light.
If plants are place in clay pots, then they will grow more green leaves than plastic pots.
If plants are in warmer temperatures, then they will grow more green leaves.
According to the diagram, which question is being tested?
How does color of light affect plant growth?
How does the amount of fertilizer added to plants affect growth?
How will different amounts of water affect plant growth?
How does the type of soil affect plant growth?
Tyler is pulling this block of wood up a ramp. What would be the dependent (or responding) variable that he is measuring?
the weight of the wood block that is being pulled up the ramp by the spring scale in TYlers hand
the number of books stacked under the ramp that changes the angle and the height it travels
the amount of force needed to pull the wood block up the ramp that is measured by the spring scale
the friction of the wood against the ramp pushing against the wood block
If you give chocolate to your teacher, then the amount of homework will decrease because your teacher will be busy eating chocolate and not giving homework. :)
Identify the dependent variable.
Giving chocolate to your teacher
Amount of homework
Amount of happiness in your teacher
How busy your teacher is.
How must the independent variable be written in a hypothesis?
It is increasing or decreasing.
It is changing or staying the same.
It is independent or dependent.
It is complete or incomplete.
Question: Why is my room warmer during the day than at night?
Using this data table, what is the variable being tested?
the mass of the different objects
the volume of the different objects
the distance the objects traveled
the number of trials completed
Based on the data table, number of days is the __.
dependent variable
independent variable
constant
none of the above
Based on the data table, the number of bacteria will be graphed on the __.
X - axis
Y - axis
You are measuring the temperature of water that just had ice place into it. If you took the temperature at 20 minutes, what is a reasonable temperature?
20
50
80
85
Based on the trend in coal usage, what could you predict the coal usage to be in 2013?
9000
1300
9000
13000
You are taking data for day 2, the temperature you record is 50 degrees, what time do you predict it is?
9 pm
6 pm
2 pm
5 pm
If the hippo population trend continues, what will the population be in 2011?
12
24
42
38
You are taking the temperature for data for your science class, the temperature is 96 degrees. What month do you predict it is?
September
July
May
December
What is the independent variable in this graph?
Tadpoles
Year
Frogs
Number of tadpoles in the pond
What part of this data table will be graphed on the Y-AXIS?
The food cooked
Type of barbecue
The time
The temperature
What was the temperature of the liquid in the Styrofoam container at 4:00?
55 degrees
68 degrees
73 degrees
63 degrees
At what rate did the temperature decrease between the 20th and 25th minutes of the experiment?
10°C in 5 min
10°C in 10 min
5°C in 5 min
5°C in 10 min
The MyTunes Song Service sells music downloads. Over the past few years, the service has lowered its prices. The table shows the price per song and the number of songs downloaded per day at that price.
Without drawing a scatterplot, describe the correlation.
Positive Correlation
Negative Correlation
No Correlation
According
to the graph, in the beginning of 2017, approximately how many daily users
did Snapchat have?
50 million users
150 users
150 million users
100 users
When did Instagram stories begin?
Beginning 2015
Middle of 2016
Middle of 2017
During which year did Instagram pass Snapchat’s number of average daily users?
2015
2016
2017
Which grew at a faster rate, Instagram or Snapchat daily average users?
Instagram daily average users
Snapchat daily average users
As temperature increases, the time for the bread to mold
Increases
Decreases
At what temperature did bread mold the fastest?
100
40
60
20
At what temperature did bread mold the slowest?
20
40
60
80
Which of the following is NOT a testable question?
How do rockets work?
Does fertilizer help plants grow bigger?
Does heart rate increase with exercise?
Does the freezing point of water change at different elevations?
skills
A
B
C
D
A student is conducting an investigation. She has several balloons in three different sizes, a stopwatch and a helper. What question is she most likely trying to answer?
Does the size of the balloon affect the speed it will travel?
Will the speed the balloon is traveling affct size?
Does the size of the balloon affect the distance it will travel?
Does the distance the balloon travels affect its size?
