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Worksheets

Variables & Scientific Method

Total questions: 35

Worksheet time: 3hrs 42mins

Name
Class
Date
1.

A scientist was trying to see if the amount of water a plant gets affects plant growth. She collected 10 identical plants and gave them different amounts of water. She measured their daily growth. The plants received the same amount of sunlight.

In this experiment what is the manipulated variable?

a)

The amount each plant grows

b)

Amount of sunlight each plant is exposed to

c)

Amount of water given to each plant

d)

That all 10 plants were identical

2.

A scientist was trying to see if the amount of water a plant gets affects plant growth. She collected 10 identical plants and gave them different amounts of water. She measured their daily growth. The plants received the same amount of sunlight.

In this experiment what is the responding variable?

a)

The amount each plant grows

b)

Amount of sunlight each plant is exposed to

c)

Amount of water given to each plant

d)

The mass of fertilizer given to each plant

3.

A scientist was trying to see if the amount of water a plant gets affects plant growth. She collected 10 identical plants and gave them different amounts of water. She measured their daily growth. The plants received the same amount of sunlight.

Select ALL of the controlled variables

a)

Amount of sunlight each plant is exposed to

b)

That all 10 plants were identical

c)

Amount of water given to each plant

d)

The amount each plant grows

4.

Scientists were trying to determine if feeding them junk food would cause a mouse to gain weight. 10 mice were given junk food and 10 mice were given mouse chow. The mice were weighed daily.

The manipulated variable would be:

a)

Food that was given to the mice

b)

The amount of weight gained by each group of mice

c)

That all mice were the same age

d)

All mice were genetically similar

e)

The 10 mice that were given mouse chow

5.

Scientists were trying to determine if feeding them junk food would cause a mouse to gain weight. 10 mice were given junk food and 10 mice were given mouse chow. The mice were weighed daily.

The two controlled variables would be:

a)

Food that was given to the mice

b)

The amount of weight gained by each group of mice

c)

That all mice were the same age

d)

All mice were genetically similar

e)

The 10 mice that were given mouse chow

6.

Scientists were trying to determine if feeding them junk food would cause a mouse to gain weight. 10 mice were given junk food and 10 mice were given mouse chow. The mice were weighed daily.

The responding variable would be:

a)

Food that was given to the mice

b)

The amount of weight gained by each group of mice

c)

That all mice were the same age

d)

All mice were genetically similar

e)

The 10 mice that were given mouse chow

7.

Scientists were trying to determine if feeding them junk food would cause a mouse to gain weight. 10 mice were given junk food and 10 mice were given mouse chow. The mice were weighed daily.

The control group would be:

a)

Food that was given to the mice

b)

The amount of weight gained by each group of mice

c)

That all mice were the same age

d)

All mice were genetically similar

e)

The 10 mice that were given mouse chow

8.

A scientist was trying to determine if a shape of hot air balloons impacted how high they went. The shape of 10 hot air balloons was varied. 5 were cones while 5 of them were round. The altitude (how high they went) was measured.

The responding variable would be:

a)

The shape of the balloons

b)

The maximum altitude each balloon reached

c)

Weather conditions were the same for each balloon flight

d)

The air inside each balloon was identical

e)

The 5 cone shaped balloons

9.

A scientist was trying to determine if a shape of hot air balloons impacted how high they went. The shape of 10 hot air balloons was varied. 5 were cones while 5 of them were round. The altitude (how high they went) was measured.

The two controlled variables would be:

a)

The shape of the balloons

b)

The maximum altitude each balloon reached

c)

Weather conditions were the same for each balloon flight

d)

The air inside each balloon was identical

e)

The 5 cone shaped balloons

10.

A scientist was trying to determine if a shape of hot air balloons impacted how high they went. The shape of 10 hot air balloons was varied. 5 were cones while 5 of them were round. The altitude (how high they went) was measured.

The manipulated variable would be:

a)

The shape of the balloons

b)

The maximum altitude each balloon reached

c)

Weather conditions were the same for each balloon flight

d)

The air inside each balloon was identical

e)

The 5 cone shaped balloons

11.

A scientist was trying to determine if a shape of hot air balloons impacted how high they went. The shape of 10 hot air balloons was varied. 5 were cones while 5 of them were round. The altitude (how high they went) was measured.

The experimental group would be:

a)

The shape of the balloons

b)

The maximum altitude each balloon reached

c)

Weather conditions were the same for each balloon flight

d)

The air inside each balloon was identical

e)

The 5 cone shaped balloons

12.

A scientist wants to determine if the weight of a person using a parachute will impact how fast they fall.

What are the two controlled variables?

a)

The weight of the parachutist

b)

The size of the parachute

c)

The height from which they jumped

d)

How fast the parachutist falls

13.

A scientist wants to determine if the weight of a person using a parachute will impact how fast they fall.

What is the manipulated variable?

a)

The weight of the parachutist

b)

The size of the parachute

c)

The height from which they jumped

d)

How fast the parachutist falls

14.

A scientist wants to determine if the weight of a person using a parachute will impact how fast they fall.

What is the responding variable?

a)

The weight of the parachutist

b)

The size of the parachute

c)

The height from which they jumped

d)

How fast the parachutist falls

15.

A students wants to determine if the shape of a container affects how fast water will evaporate from it.

The manipulated variable would be

a)

The shape of the container

b)

The material the container is made of

c)

The decrease in water mass that occurs every hour

d)

The temperature of the room

e)

The humidity of the room

16.

A students wants to determine if the shape of a container affects how fast water will evaporate from it.

The manipulated variable would be

a)

The shape of the container

b)

The material the container is made of

c)

The decrease in water mass that occurs every hour

d)

The temperature and humidity of the room

17.

A students wants to determine if the shape of a container affects how fast water will evaporate from it.

The controlled variables would be

a)

The shape of the container

b)

The material the container is made of

c)

The decrease in water mass that occurs every hour

d)

The temperature and humidity of the room

18.

A students wants to determine if the shape of a container affects how fast water will evaporate from it.

The responding variable would be

a)

The shape of the container

b)

The material the container is made of

c)

The decrease in water mass that occurs every hour

d)

The temperature and humidity of the room

19.

Problem: How does the amount of fertilizer a farmer uses affect the number of beans harvested?


The controlled variable would be:

a)

The amount of fertilizer used

b)

The number of beans harvested from the plant

c)

10 plants with no fertilizer

d)

40 plants given various amounts of fertilizer

e)

The amount of water each plant receives

20.

Problem: How does the amount of fertilizer a farmer uses affect the number of beans harvested?


The manipulated variable would be:

a)

The amount of fertilizer used

b)

The number of beans harvested from the plant

c)

10 plants with no fertilizer

d)

40 plants given various amounts of fertilizer

e)

The amount of water each plant receives

21.

Problem: How does the amount of fertilizer a farmer uses affect the number of beans harvested?


The responding variable would be:

a)

The amount of fertilizer used

b)

The number of beans harvested from the plant

c)

10 plants with no fertilizer

d)

40 plants given various amounts of fertilizer

e)

The amount of water each plant receives

22.

Problem: How does the amount of fertilizer a farmer uses affect the number of beans harvested?


The experimental group would be:

a)

The amount of fertilizer used

b)

The number of beans harvested from the plant

c)

10 plants with no fertilizer

d)

40 plants given various amounts of fertilizer

e)

The amount of water each plant receives

23.

Problem: How does the amount of fertilizer a farmer uses affect the number of beans harvested?


The control group would be:

a)

The amount of fertilizer used

b)

The number of beans harvested from the plant

c)

10 plants with no fertilizer

d)

40 plants given various amounts of fertilizer

e)

The amount of water each plant receives

24.

Problem: How does the amount of junk food a student eats affect the number of cavities he or she gets?

What is the responding variable?

a)

mass of junk food consumed

b)

number of new cavities in a year

c)

number of times students brush their teeth in a day

d)

the toothpaste students use

e)

a group of students that eats no junk food

25.

Problem: How does the amount of junk food a student eats affect the number of cavities he or she gets?

What is the control group

a)

mass of junk food consumed

b)

number of new cavities in a year

c)

number of times students brush their teeth in a day

d)

the toothpaste students use

e)

a group of students that eats no junk food

26.

Problem: How does the amount of junk food a student eats affect the number of cavities he or she gets?

What are the two controlled variables?

a)

mass of junk food consumed

b)

number of new cavities in a year

c)

number of times students brush their teeth in a day

d)

the toothpaste students use

e)

a group of students that eats no junk food

27.

Problem: How does the amount of junk food a student eats affect the number of cavities he or she gets?

What is the manipulated variable.

a)

mass of junk food consumed

b)

number of new cavities in a year

c)

number of times students brush their teeth in a day

d)

the toothpaste students use

e)

a group of students that eats no junk food

28.

The following data was collected in a student experiment. What is the responding variable?

a)

Size of the sugar cube

b)

Time it took to dissolve

c)

The solvent used (water)

d)

The temperature of the water

29.

The following data was collected in a student experiment. What is the manipulated variable

a)

Size of the sugar cube

b)

Time it took to dissolve

c)

The solvent used (water)

d)

The temperature of the water

30.

The following data was collected in a student experiment. If the data was graphed, what would be on the y-axis?

a)

Size of the sugar cube

b)

Time it took to dissolve

c)

The solvent used (water)

d)

The temperature of the water

31.

The following data was collected in a student experiment. What are the controlled variables?

a)

Size of the sugar cube

b)

Time it took to dissolve

c)

The solvent used (water)

d)

The temperature of the water

32.

The following data was collected in a student experiment. The responding variable would be:

a)

The number of wraps of copper wire

b)

The number of paperclips picked up by the magnet

c)

The gauge of the copper wire

d)

The voltage of the powersource

33.

The following data was collected in a student experiment. The manipulated variable would be:

a)

The number of wraps of copper wire

b)

The number of paperclips picked up by the magnet

c)

The gauge of the copper wire

d)

The voltage of the powersource

34.

The following data was collected in a student experiment. If this data was graphed, the x-axis would be:

a)

The number of wraps of copper wire

b)

The number of paperclips picked up by the magnet

c)

The gauge of the copper wire

d)

The voltage of the powersource

35.

The following data was collected in a student experiment. The two controlled variables would be:

a)

The number of wraps of copper wire

b)

The number of paperclips picked up by the magnet

c)

The gauge of the copper wire

d)

The voltage of the powersource