WorksheetsNature of Science
Total questions: 60
Worksheet time: 47mins
Name
Class
Date
1.
When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?
a)
Dependent
b)
Independent
c)
Control
d)
Compound
2.
What would the INDEPENDENT variable be in an experiment testing which types of paper airplane goes furthest?
a)
the paper used
b)
the type of paper airplane
c)
the distance of each plane's flight
d)
how hard the plane is thrown
3.
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, the independent variable is ...
a)
The type of plant
b)
The amount of sunlight
c)
The type of music
d)
The type of liquid
4.
Ms. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. What is the dependent variable?
a)
Distance traveled by the ball
b)
Height of the ramp
c)
Mass of the ball
d)
Where the experiment took place.
5.
Ms. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the independent variable.
a)
Distance traveled by the ball
b)
Height of the ramp
c)
Mass of the ball
d)
Who set up the experiment (Ms. S, etc)
6.
Tiffany was investing how fast it took Hayden to react to different sounds. Identify the independent variable.
a)
How fast Hayden reacted
b)
different sounds
c)
types of music
d)
Hayden
7.
Mr. S normally uses praise as a reward to train his dog. He wants to know the best way to train his dog, so he sets up an experiment to find out if there is a better way to get his dog to respond to commands. What is his dependent variable?
a)
Type of reward
b)
Praise
c)
Type of dog
d)
Amount of time the dog follows commands
8.
The independent variable is the ONE thing you _____.
a)
change
b)
keep the same
c)
experiment with
d)
investigate
9.
In a controlled experiment, the variable that is changed to test the hypothesis is called the –
a)
Controlled Variable
b)
Responsive Variable
c)
Dependent Variable
d)
Independent Variable
10.
The measurable factor in an experiment is known as the:
a)
Control
b)
Independent Variable
c)
Constant
d)
Dependent Variable
11.
Alexandra is testing the quality of her Nikon camera against the camera on her iPhone. The different cameras is the __ variable.
a)
constant (same)
b)
dependent (measured)
c)
independent (changes)
12.
Khaleel is testing how the use of stress balls during testing affects a student's test score. The students' average test scores who used the stress balls is the __ variable.
a)
dependent (measured)
b)
constant (same)
c)
independent (changes)
13.
Walker is testing which fertilizer will grow the tallest grass. The height of the grown grass is the __ variable.
a)
constant (same)
b)
independent (changes)
c)
dependent (measured)
14.
A comprehension test was given to students after they had studied textbook material either in silence or with the television turned on. What is the dependent variable?
a)
silence
b)
television turned on
c)
score on test
d)
textbook material
15.
Dilcia wants to know how drinking milk affects how tall a Monica grows. Which is the independent variable?
a)
Monica's growth
b)
drinking milk
16.
Ramone wants to know: does the distance a person kicks a soccer ball effect how well they will do on their math test. What is the dependent variable?
a)
How far they kick the soccer ball
b)
who the person is
c)
how well they do on the math test
d)
Type of soccer ball.
17.
What would the INDEPENDENT variable be in an experiment testing which types of paper airplane goes furthest?
a)
the paper used
b)
the type of paper airplane
c)
the distance of each plane's flight
d)
how hard the plane is thrown
18.
Marcos wants to know: Does the type of gasoline put in a car effect how fast the car can drive? What is the independent variable?
a)
Type of gasoline
b)
which car the gas is put into
c)
how fast the car can drive
d)
how much gas is put into the car
19.
Kreedence wants to know if birds prefer to eat in one place over another. She makes three feeders out of 2-liter bottles and paints all of them red. She fills each of the feeders with the same amount of mixed birdseed, and plans to keep the feeders out for 10 days before measuring how much seed is eaten from each feeder. She puts each of the feeders in her back yard: one feeder in a large dead tree, another feeder she sits on the dog house, and the last she sits in a small bushy tree.
What is the dependent variable?
What is the dependent variable?
a)
Length of the birdfeeders
b)
Amount of time feeders are outside
c)
Amount of seed eaten
d)
Location the feeders are put in.
20.
Does the flavor of ice cream effect how fast the ice cream melts?
a)
independent
b)
dependent
21.
Does the type of shoe worn during a 30 meter dash affect the speed of the runner?
a)
independent
b)
dependent
22.
How does increasing the slope of a ramp affect how far a marble travels?
a)
independent
b)
dependent
23.
What effect does decreasing the temperature of a room have on a lifespan of a battery?
a)
independent
b)
dependent
24.
How does watching TV during studying affect a student’s test grades?
a)
independent
b)
dependent
25.
Does changing the scent of a brand of dog food affect how much the dog eats?
a)
independent
b)
dependent
26.
What is the effect on increasing the amount of sunlight given to tulips?
a)
independent
b)
dependent
27.
Which brand of bubblegum allows for you to blow the largest bubble?
a)
independent
b)
dependent
28.
How does adding cardio to one’s daily schedule affect their heart rate?
a)
independent
b)
dependent
29.
A person’s teeth will be whitened quicker if they use baking soda with their toothpaste.
a)
independent
b)
dependent
30.
An apple’s freshness will last longer if they are refrigerated.
a)
independent
b)
dependent
31.
Does deflating a ball affect a its ability to bounce?
a)
independent
b)
dependent
32.
Which statement is necessary in order for a scientific investigation to be valid?
a)
The investigation must be able to be repeated by others.
b)
The investigation must produce data that can be graphed.
c)
The investigation must follow all the steps of the scientific method.
d)
The investigation must have a conclusion that matches the prediction.
33.
Scientists frequently repeat the experiments of others scientists. Why is this important in science?
a)
Scientists often ask each other for help in performing experiments.
b)
Replication of experiments helps to confirm and verify results.
c)
Scientists frequently perform other scientists’ experiments in order to practice their technique.
d)
Repeating experiments is an effective way to make sure a laboratory is in optimal condition.
34.
Caira reads in a science journal that replication and repetiton are so important, but she did not understand the difference between them. Which of the following best explains the two terms?
a)
Repetition is when a scientist repeats an experiment; replication is when a scientist conducts an experiment on genetic material.
b)
Repetition is when a scientist does the same experiment a number of times; replication is when other scientists reproduce a scientist’s experiment.
c)
Repetition is when a scientist publishes in more than one scientific periodical; replication is when another scientist reproduces another scientist’s results.
d)
Repetition is when a scientist commits an error in an experiment the first time and must repeat it; replication is when a scientist repeats an experiment to make sure it is valid.
35.
Dr. Smith has been reading about another scientist’s research in a physics journal. He plans to do these experiments himself and see if he gets the same result.
a)
repetition
b)
replication
36.
Josue goes to Silver River each week for 4 weeks and collects 5 samples of water to test the pH.
a)
repetition
b)
replication
37.
An environmental group contacts Nina to get her procedures so that they can check her results.
a)
repetition
b)
replication
38.
Kevin was mixing a batch of glue and borax solution to make silly putty and discovered a new substance that glows in the dark. He gave Ja'nay his specific amounts of ingredients and the steps of his procedure. He asked Ja'nay to try the experiment to see if she gets the same results.
a)
repetition
b)
replication
39.
Haylena baked chocolate chip cookies that wound up looking like muffins. She asked Lunelka to use the same directions and see if her cookies also look like muffins.
a)
repetition
b)
replication
40.
Ms. Spiers has taught Mini Bear to run a maze. She thinks that the hamster will go faster if she puts its favorite treat at the end. She has the hamster run the maze ten times with the favorite treat and ten times with a regular food pellet. She uses a stopwatch to measure how long it takes for the hamster to get to the reward.
a)
repetition
b)
replication
41.
Ryan is testing golf balls. He drops three different brands of balls from 40 cm and measures how high they bounce. He drops each ball 10 times.
a)
repetition
b)
replication
42.
Anthony was given a set of 5 metal cubes. He calculated the densities of each to determine the type of metal in each. The densities were really close to each other, so he asked his friend Robert to do the same experiment and see if he gets the same results.
a)
repetition
b)
replication
43.
Theory or Law??? Changes with new observations.
a)
Theory
b)
Law
44.
Theory or Law??? Explanation of a wide range of observations?
a)
Theory
b)
Law
45.
Theory or Law??? Predicts what will happen in the natural world.
a)
Law
b)
Theory
46.
Theory or Law??? Makes NO attempt to explain an event.
a)
Theory
b)
Law
47.
Theory or Law??? How the universe was formed.
a)
Law
b)
Theory
48.
Theory or Law??? The effect of gravity on objects?
a)
Theory
b)
Law
49.
Theory or Law??? Explanation of how the dinosaurs disappeared.
a)
Law
b)
Theory
50.
Theory or Law??? Is a well-tested EXPLANATION for a wide range of observations and experimental results.
a)
Law
b)
Theory
51.
Theory or Law??? Is a DESCRIPTION of what a scientists expects to happen every time under a certain set of conditions.
a)
Law
b)
Theory
52.
True or False. Laws DO NOT change with new evidence.
a)
True
b)
False
53.
True or False. Theories describe things and laws explain things.
a)
False
b)
True
54.
True or False. Theories change because new technology improves our ability to observe the natural world.
a)
True
b)
False
55.
A possible explanation to a problem that has not yet been tested.
a)
data
b)
theory
c)
hypothesis
d)
fact
56.
A broad and comprehensive statement of what is thought to be true; it is supported by much evidence.
a)
hypothesis
b)
theory
c)
guess
d)
fact
57.
An explanation a scientist makes that we can test to see if it is true or not is a _________.
a)
hypothesis
b)
theory
c)
law
d)
question
58.
Martha is curious as to what happened to the dinosaurs. She is convinced that a virus spread across the earth and killed all the dinosaurs. Martha’s idea is called a ________.
a)
hypothesis
b)
theory
c)
law
d)
question
59.
Which of the following can be used to test a hypothesis?
a)
experiment
b)
theory
c)
law
d)
variable
60.
Scientific theories do not change once they have been written down.
a)
True
b)
False
100 %
