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Physical Science Ch 1 Review 2023 Flashcards | StudBud
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Physical Science Ch 1 Review 2023
Physical Science Ch 1 Review 2023
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1
How is International System of Units commonly abbreviated?
SI
ISU
IS
USI
2
In which step of the scientific method is information obtained through the senses?
making observations
drawing conclusions
revising a hypothesis
analyzing data
3
The statement, "Sheila has a stain on her shirt" is an example of a(n)...
Hypothesis
Prediction
theory
Observation
4
The two main areas of physical science are:
anatomy
physics
biology
chemistry
5
Which of the following is an example of a safe laboratory procedure?
testing an odor by directly inhaling the vapor
tying back long hair and loose clothing
touching hot objects with your bare hands
eating or drinking from laboratory glassware
6
An experiment in which only one variable, the ind. variable, is changed at 1 time is __.
independent
dependent
controlled
chemistry
7
For a hypothesis to be valid, it must be
testable
reasonable
made into law
testable and reasonable
8
__ is the closeness of measurement to the actual value being measured.
accuracy
correctness
alertness
precision
9
What graph is used to show parts of a whole?
line
pie
bar
10
An organized set of investigation procedures is
Scientific theory
Scientific Law
Data
Scientific Method
11
What is a statement that SUMMARIZES a pattern found in nature?
theory
model
law
hypothesis
12
A(an) __ EXPLAINS a pattern found in nature.
hypothesis
a wild guess that i pulled out of....nowhere
law
theory
13
Why are scientific models important?
They make it harder to understand things.
They prove scientific theories.
They never change.
Helps visualize complex, very large or very small things.
14
The use of senses to gather information
observation
theory
data
hypothesis
15
Which of the following statements is true about scientific theories?
Scientific theories summarize patterns found in nature.
Scientific theories are never proven
Scientific theories become hypotheses
Scientific theories become scientific laws
16
How many meters are in 230 millimeters?
2300
2.3 m
23.0 m
.230 m
17
Any pieces of information acquired through experimentation...
law
observations
data
theory
18
A measurement must include both a number and a(an) __.
title
unit
inches
yards
19
What is the SI base unit for quantity of length?
mircogram
gram
millimeter
meter
20
What is a physical or mental representation of an object or an event?
theory
hypothesis
model
scientific law
21
What is a system of knowledge and methods used to find that knowledge?
science
curiosity
measurement
technology
22
The SI base unit of temperature is __.
celsius
fahrenheit
grams
kelvin
23
What does the prefix Kilo- stand for?
10,000
10
100
1000
24
In science we measure using...
By the Kings foot
International System of Measurement (SI)
Imperial System
Whatever is convenient
25
How many mL are in 45 L?
450 mL
45000mL
4.5 mL
0.045 mL
26
What is the proper sequence?
problem, hypothesis, experiment, theory, scientific law
scientific law, problem, hypothesis, experiment, theory
problem, theory, experiment, scientific law, hypothesis
hypothesis, problem, experiment, theory, scientific law
27
What graph is used to show comparison?
pie
bar
line
28
What is the SI unit for temperature?
Fahrenheit
Celsius
Kelvin or Celsius
29
What is the SI base unit for the quantity of mass?
gram
milligram
nanogram
kilogram
30
What month has the highest average number of tornadoes?
June
January
April
May
31
What happens when the data in an investigation do not support the original hypothesis?
The hypothesis is revised.
The data is altered so it supports the original hypothesis
The data must be incorrect and are thrown out.
The scientist gives up and starts on a new topic.
32
Explanation of things based on knowledge gained from many observations and investigations.
theory
observation
law
data
33
It is always important to read and understand any __ that must be followed.
hypotheses
theories
directions
significant digits
34
What are the building blocks of all matter?
forces
atoms
kinetic energy
magnetic fields
35
What graph is used to show change over time?
pie
bar
line
36
The __ is the variable that changes in response to the independent variable.
independent variable
control
dependent variable
answer
37
How many boys and girls favorite sport is either basketball or soccer?
15
4
10
20
38
What is the SI base unit for the quantity of time?
minutes
seconds
years
months
39
Convert 56 kg to g
5.6g
56000 g
0.056g
0.56g
40
How many boys like basketball more than softball?
2
3
7
5
