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Unit 1 Review JCMS
Unit 1 Review JCMS
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unit 1 review: # variables, tools, mass, volume, density, and scientific method.
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1
If you wanted to measure the distance from here to Knoxville, you would use
millimeters
centimeters
meters
kilometers
2
JCMS Science department ____
belongs to AARP
Rocks
3
Does temperature of incubation affect the gender of an egg? The independent variable is___
the temperature
the egg
the incubator
the gender
4
Which of the following is important when creating a graph in science?
all of these
labels
titles
neatness
5
How does the amount of salt in a body of water affect number of plants? Independent variable?
the amount of salt in water
the water
the temperature of water
the number of plants
6
In which step of the scientific method do we want to use graphs?
make a hypothesis
asking questions
analyze data
communicate results
7
The final part, a summary of reasonable inferences is a/an
question
hypothisis
controlled experiment
conclusion
8
When experimenting with beans, water is important for growth. The growth of the bean is?
The dependent variable
The independent variable
9
What skill is a scientist using when she listens to the sounds that a whale makes?
making hypothesis
drawing conclusions
collecting data
making observations
10
The best graph to use if I want to compare the price of six different cars would be a __
data table
pie graph
bar graph
line graph
11
Which has more volume?
10 grams of cotton
10 grams of nails
12
Does temperature of an incubator affect gender? The dependent variable is_____
the temperature
the gender
the egg
the incubator
13
An experiment that tests only one factor,has a control group, and an experimental group is
theory
independent variable
a controlled experiment or fair test
dependent variable
14
A conclusion reached on the basis of observation and reasoning is a/an
conclusion
theory
inference
hypothesis
15
If you wanted to know the volume of water in a bottle of soda, you would use
liters
kilometers
grams
milliliters
16
Which of the following is NOT a rule when writing a hypothesis?
It should restate the question
it is an if/then statement
it is a prediction
it is testable
17
What tool is used to measure mass?
spring scale
triple beam balance
18
A series of steps designed to help you solve problems and answer questions
hypothesis
scientific method
experiment
observations
19
All the things in an experiment that must be the same to make if fair are called
constants or controlled variables
dependent variables
independent variables
controlled experiments
20
The dependent variable is always depicted on the Y axis.
True
False
21
Which of the following statements does
NOT
describe a dependent variable?
The dependent variable is depending on something else.
The dependent variable is manipulated in experiments.
22
University of TN football team beat the Florida Gators in 2016
True
False
23
What is the correct order of the steps in the scientific method?
quesion, hypothesis, test, conclude analyze, communicate
Ask, hypothesis, test, anlyze, conclude, communicate
ask, analyze, hypothesis, test, conclude communicate
hypothesis, test, analyze, ask, conclude communicate
24
Does the amount of salt in a body of water affect the number of plants? Dependent variable___
the amount of salt
the number of plants
the temperature of the water
the water
25
Volume is
The amount of matter in and object
The amount of space and object takes up
26
The amount of mass per space equals
Weight
Volume
Density
27
What tool is used to measure the volume of an irregular shaped object?
graduated cylinder in ounces
graduated cylinder in cm3
28
In science, an educated guess is called a____
observation
hypothesis
question
conclusion
29
Which question would be the best high level scientific question?
does the amount of salt affect the boiling point of water
who made the first microscope
how long ago did dinasaurs live
how many giraffes are in America
30
The tool used to measure the volume of a liquid
a beaker in grams
a graduated cylinder in mL
31
What tool is used to measure the volume of a regular shaped object?
both
meter stick
tape measure
32
When a scientist shares his/her findings with other scientists, he/she is___
analyzing data
communicating results
experimenting
making a hypothesis
33
In an experiment, the factor that is changed is called the
control
constant
independent variable
dependent variable
34
If you were measuring the mass of a fly, you should use
grams
liters
kilograms
meters
35
The formula for density
D= M ÷ V
D = V÷M
36
When a scientist decides whether or not the data supports the original hypothesis, he is___
making observations
drawing conclusions
asking questions
forming a hypothesis
37
A scientific procedure to make a discovery, test a hypothesis, or demonstrate a fact is__
an experiment
law
hypothesis
theory
38
In an experiment, the factor that is measured is the
dependent variable
control
independent variable
experimental variable
39
Science is the study of
economics
Our natural world
40
What unit is used to measure mass?
Grams
Newtons
41
A series of steps followed to solve problems is
standard procedures
the scientific method
experimental guidelines
investigations
42
In an experiment, Plant A gets no fertilizer, Plant B gets 5g, and Plant C gets 10g. Control is
Plant A
None
Plant C
Plant B
43
Different kinds of Soda will react with mentos. The different sodas are____
The dependent variable
The independent variable
44
What is a control variable?
A variable that is changed in an experiment
A variable that allows for a fair test
45
When experimenting with water temps and the time it takes to melt ice, the time measured is __
The dependent variable
The independent variable
46
Which of the following hypothesis is written correctly?
If a tennis ball is frozen, then it will not bounce as high
If a tennis ball is frozen, it won't bounce as high as not
If I heat up a tennis ball it will bounce high
Frozen tennis balls will not bounce as high
47
Define Mass
The amount of space and object takes up and measured in mL.
The amount of matter in an object and measured in ml or cm3.
The amount of matter in an object and measured in grams.
48
The process of obtaining information by using the senses is a called a/an
inquiry
observation
conclusion
scientific method
49
An independent variable is which of the following:
The variable which is manipulated in the experiment
The results of the experiment
50
Which unit of measure is NOT used in the International System of Units?
centimeters
grams
inches
milliliters
