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WorksheetsWhat Americans KNOW About Science
Total questions: 12
Worksheet time: 6mins
Name
Class
Date
1.
This picture shows an object in space that has an icy core with a tail of gas and dust that extends millions of miles. What is this?
a)
A star
b)
A comet
c)
An asteroid
d)
A moon
2.
Which kind of waves are used to make and receive cellphone calls?
a)
Radio waves
b)
Visible light waves
c)
Sound waves
d)
Gravity waves
3.
This picture shows three layers of the Earth. Which layer is the hottest?
a)
The outer layer, called the Earth's crust
b)
The middle layer, called the Earth's mantle
c)
The inner layer, called the Earth's core
4.
Which of these is the main way that ocean tides are created?
a)
The rotation of the Earth on its axis
b)
The gravitational pull of the moon
c)
The gravitational pull of the sun
5.
What does a light-year measure?
a)
Brightness
b)
Time
c)
Distance
d)
Weight
6.
Denver, Colorado, is at a higher altitude than Los Angeles, California. Which of these statements is correct?
a)
Water boils at a lower temperature in Denver than in Los Angeles
b)
Water boils at a higher temperature in Denver than in Los Angeles
c)
Water boils at the same temperature in both Los Angeles and Denver
7.
Which of these pictures best illustrates what happens when light passes through a magnifying glass?
a)
1
b)
2
c)
3
d)
4
8.
The loudness of a sound is determined by what property of a sound wave?
a)
Frequency
b)
Wavelength
c)
Velocity or rate of change
d)
Amplitude or height
9.
Which of the following statements best describes the data in the graph below?
a)
In recent years, the rate of cavities has increased in many countries
b)
In some countries, people brush their teeth more frequently than in other countries
c)
The more sugar people eat, the more likely they are to get cavities
d)
In recent years, the consumption of sugar has increased in many countries
10.
Which of these elements is needed to make nuclear energy and nuclear weapons?
a)
Sodium chloride
b)
Uranium
c)
Nitrogen
d)
Carbon dioxide
11.
Which of these people developed the polio vaccine?
a)
Marie Curie
b)
Isaac Newton
c)
Albert Einstein
d)
Jonas Salk
12.
Which of these terms is defined as the study of how the positions of stars and planets can influence human behavior?
a)
Astrology
b)
Alchemy
c)
Astronomy
d)
Meterology
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