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WorksheetsNature of Science SC.5.N.1.1
Total questions: 25
Worksheet time: 21mins
Name
Class
Date
1.
Jane is investigating to find out if bean plants grow taller in ordinary topsoil or special potting soil over a three week period. She sets up her investigation with 10 bean plants of equal size in each type of soil.
What should Jane do each day to make sure she gets valid results?
What should Jane do each day to make sure she gets valid results?
a)
A. Water only the plants in special potting soil.
b)
A. Calculate the average plant height for each soil type.
c)
A. Move the plants in ordinary topsoil to different locations.
d)
Estimate the height of each plant's stem and record the estimate
2.
Sonya wanted to know if mowing affects the health of grass during a drought. To find out, she collected data on how often her neighbors mowed their grass.
Based on the information she collected, what is the BEST next step?
Based on the information she collected, what is the BEST next step?
a)
Report her findings to her neighbors.
b)
Develop a plan to save everyone's lawns.
c)
Stop her neighbors from mowing their lawns
d)
Find out if other things might be affecting the grass.
3.
1) Thomas and Julie wanted to find out which material would insulate their teacher's coffee cup and keep the coffee hot for the longest period of time. They first wrapped her cup with bubble wrap and recorded the temperature of the coffee once every 15 minutes for 2 hours. They repeated the investigation, this time using newspaper instead of bubble wrap, but they got the same results for both materials.
What could they do to make sure their results are valid?
What could they do to make sure their results are valid?
a)
Repeat their experiment.
b)
Use teas instead of coffee.
c)
Use a different thermometer.
d)
Conduct their investigation in a colder room.
4.
The independent variable is the part of the experiment you choose to manipulate. It is changed on purpose and is believed to be the factor that will affect the dependent variable.
a)
The growth of tomato plants grown outdoors.
b)
The temperature of a freezer with a newly designed insulator.
c)
Three different cities for collecting and measuring acid rain.
d)
The acid level of the rain collected in Phoenix, Arizona.
5.
The constant variables in an experiment are held the same throughout the experiment. For example, the constant variable may be the height and angle of a light source above plants that are being grown. Which of the following represents constant ( controlled ) variables?
a)
Selecting three different temperature settings.
b)
Measuring blocks that have the same mass, the same wood type, using the same measuring device.
c)
Pennies collected from years 2000-2009 and pennies collected from 1990-199
d)
The time it takes for ice cubes to melt.
6.
Seth designed an experiment to see if butterflies preferred a particular color while reading. He used four different colored sponges which he soaked with a nectar-like substance to attract the butterflies. Seth made the following observations for three hours each Saturday over a one month period and recorded them in the chart below:
What is the most likely conclusion made using the data collected based on Seth's observations?
What is the most likely conclusion made using the data collected based on Seth's observations?
a)
Color does not matter to butterflies when they are hungry
b)
Butterflies prefer the color blue while feeding
c)
Butterflies prefer the colors red or green when feeding.
d)
Butterflies prefer the color yellow while feeding.
7.
Delilah followed these steps of an investigation:
Collect five objects made of different types of metal. Place them on a large laboratory table. Touch each metal object with a magnet and lift slowly. Record observations.
Which of the following statements is Delilah most likely testing?
a)
All types of metal are attracted to magnets.
b)
Each magnet can lift the metal object to the same height.
c)
Larger magnets can pick up heavier metal objects than smaller magnets can
d)
Heavier metal objects are more attracted to magnets than lighter metal objects are.
8.
What does the line in this graph indicate?
a)
increase in mass over a certain number of years
b)
increase in mass over a certain number of days
c)
decrease in mass over a certain number of days
d)
mass of animals eaten by an anole
9.
How much of Chemical X did the control group receive?
a)
0 mL
b)
10 mL
c)
15 mL
d)
20 mL
10.
Dr. Smith wants to examine whether a new drug increases the maze running performance of older rats. Dr. Smith teaches two groups of older rats to find a piece of tasty rat chow in the maze. One group of rats is given the new drug while they are learning the maze. The second group is not given the drug. One week after having learned the maze he retests the rats and records how long it takes them to find the rat chow.
What is the independent variable?
What is the independent variable?
a)
The new drug
b)
The tasty rat chow
c)
How long it takes the rats to find the food
d)
The second group not given the drugs
11.
How many variables should be tested at one time in a scientific investigation?
a)
none
b)
one
c)
two
d)
three
12.
A circle graph allows you to easily see
a)
information about the proportion of parts relative to the whole.
b)
the total number of each category.
c)
how much data occurs within a range of numbers.
d)
the spread of the data.
13.
Jordan wants to find out if a hamster can learn a maze as quickly as a mouse can. She has researched mice and hamsters and predicts which rodent she thinks will learn more quickly.
What should her next step be?
What should her next step be?
a)
analyze hamster behavior in the maze
b)
A. research how a rabbit would behave in a maze
c)
observe the behavior of both rodents in the maze
d)
A. make conclusions about rodent behavior in the maze
14.
1) Stephen and his classmates are going on a field trip to a nature preserve. His teacher has told the class that when they return to school, they will be required to give a report on their trip and the animals and plants they saw while walking through the preserve.
What is the BEST method Stephen can use to make sure he remembers everything he sees?
What is the BEST method Stephen can use to make sure he remembers everything he sees?
a)
He should bring a pad and pen to write down his observations.
b)
He should do research on the computer when he returns to class.
c)
He should ask his classmates to help him remember what he saw.
d)
He should look for a map of the nature preserve at the visitors' center.
15.
During a recent drought, Sonya noticed some yards in her neighborhood were healthy and green, and some were mostly brown and dead. Sonya believes the difference has to do with how often her neighbors mow their grass.
What should Sonya do first to find out if she is right?
What should Sonya do first to find out if she is right?
a)
A. Ask her neighbors to cut their grass on the same schedule.
b)
Study other neighborhoods to see if there are similar problems.
c)
A. Compare the neighbors' lawn mowers to see if there are similarities.
d)
Survey her neighbors about their mowing schedule and record the details
16.
An interpretation based on observations and prior knowledge.
a)
Observing
b)
Inferring
c)
Predicting
d)
Classifying
17.
A student set up the experiment shown below to determine if radish seeds take in oxygen as they germinate. Methylene blue is a chemical that is blue when oxygen is present, but is colorless when oxygen is not present. Containers A and B each contained 200 mL of water and 10 drops of methylene blue. Ten radish seeds were added to container A. Container B had no radish seeds.
The purpose of container B in this experiment is to
The purpose of container B in this experiment is to
a)
serve as the control container
b)
serve as the experimental container
c)
show that seeds do not give off oxygen
d)
show that seeds do not give off carbon dioxide
18.
Which statement is an inference (prediction)?
a)
A thermometer shows that the air temperature is 56°F.
b)
A mineral sample of galena produced a gray-black streak when tested.
c)
Based on previous data, ten hurricanes may occur in the year 2013.
d)
A weather vane indicates the wind is coming from the west.
19.
The grass is wet. It must have rained
a)
Qualitative Observation
b)
Quantitative Observation
c)
Inference
20.
What tool do I use to observe ants?
a)
a hand lens
b)
a ruler
c)
a tape measure
d)
a scale
21.
How do you know if your test is a fair test?
a)
you get the same results each time
b)
you do the same thing to each part tested
c)
you make a hypothesis
d)
you ask a question
22.
A scientist hypothesizes the the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The independent variable is
a)
the gender of the alligator
b)
the male alligators
c)
the temperature
d)
the incubator
23.
A scientist who wants to study the effects of fertilizer on plants sets up an experiment. Plant A gets no fertilizer, Plant B gets 5 mg. of fertilizer each day, and Plant C gets 10mg. of fertilizer each day. Which plant is the control group?
a)
plant B
b)
All of them
c)
Plant C
d)
Plant A
24.
The best graph to use if I want to compare the price of six different cars would be a
...
...
a)
Pie graph
b)
Bar graph
c)
Data table
d)
Line graph
25.
A scientist conducted an experiment to determine how the amount of salt in a body of water affects the number of plants that can live in the water. In this experiment the independent variable is...
a)
the temperature of the water
b)
the water
c)
the amount of salt in the water
d)
the number of plants in the water
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