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WorksheetsLab Design and Graphing
Total questions: 45
Worksheet time: 27mins
What is the first step in the scientific method
conclusion
Procedure
There isn't actually an order
form a hypothesis
Which of the following is a proper hypothesis?
If I add water, then my plant will grow higher
Plants don't grow well without light
I think plants grow more with light
My group believes that sun affects plants
A title in a graph must have...
Independent variable only
Dependent variable only
scales and keys
Independent and dependent variables
What is the purpose of a graph?
To help you form a procedure
To visualize data
To waste time
To prove you are right
The dependent variable:
is something you change
is what you compare results to
is something you keep the same
is what is measured/ the result
The independent variable:
is what you change, test, or experiment
is kept the same
is what you measure
is what you compare results to
The constant in an experiment is:
what you change
what you keep the same as you repeat trials, to not affect results
what you graph
what you compare results to
What is a control in an experiment?
what you change between groups
what you compare results to/standard
what you graph
what you measure
The dependent variable goes on the ____ axis:
X
Z
A
Y
The independent variable is placed on the ____ axis on a graph:
X
Y
Z
Both axis
If I take my vitamins every day, then I will not feel tired. What is the independent variable?
taking vitamins everyday
not taking vitamins
Won't feel tired
taking vitamins at same time each day
If I eat more vegetables, then I will lose weight faster. What is the dependent variable?
Days that you eat vegetables
not eating vegetables
Weight
Eating more vegetables
Pedro asked how many kids eat the school lunch during the month of October. What is the D.V.?
Month of October
Days
Type of food
Number of students
If the data in one axis goes to 1000, and you have 20 boxes to graph, what do you do?
Multiply by 20
Add 20 to 1000
Divide 1000 by 20
Divide 20 by 1000
I want to see how the temperature of water affects the speed of rusting. What is the Dependent Variable?
Temperature
Type of liquid
Time it takes item to Rust
Screw
Ricardo wanted to measure her pulse, before and after running in gym. What is the control?
Pulse before running
Time running
Gym teacher
Pulse after running
A teacher wanted to know how many times students interrupted during class in a month. What s the DV?
Month
Class period
Number of interruptions
headache level
What is the independent variable?
Time (sec)
Position (m)
E
Position vs. Time
What kind of graph would be best for this type of data chart?
Scatter
Line
Bar
Pie chart
What type of graph would be best for this graph?
Line
Bar
Scatter plot
Pie chart
What is the DEPENDENT variable?
Hours worked
Mohammed
Total wages (dollars)
Week of work
What is the Independent variable in this experiment?
Time (min)
Water temperature (C)
Hours
Methods of water cooling
What is the DEPENDENT variable?
Yarn
Number of fish caught
Nylon net
Mickey and Donald
If Water pH changes, the number of tadpoles that hatch in ponds is affected. What is the independent variable?
Number of tadpoles
Changing pH of water
Time of experiment
Same pond
Maya designed an experiment to answer the following question: How does the amount of water given to a lima
bean seed affect how tall it grows?
In this experiment, what variable should Maya CHANGE?
the amount of water
the kind of plant
the type of soil
the amount of sunlight it gets
Esther became interested in insulation while her parent’s new house was being built. She decided to determine which insulation transferred the least heat. She filled each of 5 jars half-full with water.
She sealed each jar with a plastic lid.Then she wrapped each jar with a different kind of insulation. She put the jars outside in the direct sunlight. Later, she measured the temperature of the water in each jar. What is the independent variable?
The type of insulation
The temperature of the water
Number of houses
The amount of sunlight
Why is the placebo effect used?
To compare results between the real medicine and placebo
To make new medicine
To train doctors
To make food
only 1
Thomas tests different types of liquids to see which will grow his plants the most. He has water, soda, milk, and no liquid at all. What is the control group?
the one with water
the one with soda
the one with milk
the one with no liquid
Cindy wanted to find out how the amount of sunlight affects the growth of plants. She placed a tomato plant in 6 identical 10 inch pots with the same amount and type potting soil. She watered them ¼ cup each day. 3 plants were placed under a cardboard box and 3 plants were placed in the sunlight. She measured the growth of the plant each week for three weeks.
What is the dependent variable?
Using the same type of plant
Each plant was placed in a 10 inch pot
The growth of the plant
3 plants in the sunlight and 3 plants under a box
A scientist hypothesizes that the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The independent variable is
Which of the following is a proper TESTABLE question?
A. Why are flowers beautiful?
B. Does the color of flowers attract bees?
C. Does mass affect speed?
D. Why do goldfish make better pets than guinea pigs?
B and C
Erin is testing to see how different amounts of nitrogen infused in the soil will impact the height of her corn plants. She puts two corn plants into two pots. One is filled with nitrogen infused soil and the other is not. She puts the regular soil pot outside and the nitrogen infused plant in her bathroom. The corn in the regular soil grows to 7 feet tall and the corn in the nitrogen soil grows to 2 feet tall.
What is the dependent variable?
The regular soil
The nitrogen infused soil
The height of the plants
The plant in the bathroom
Using the picture, identify the control group.
Trial 1
Trial 2
Trial 3
What makes a good scientific question?
The question can be answered by yes or no.
The question can be answered by doing an experiment.
The question can be answered through extended thought.
The type of variable that responds to the experiment (the results being collected) and is what you measure to determine if your hypothesis is supported or not
Independent
Dependent
Control
Constant
What acronym is used when figuring out how to label the axis about data collected in an experiment?
DRY ICE
S.O.S
DRY MIX
MIX WELL
You use your senses to make a(an):
hypothesis
observation
theory
