_________ What type of volcano is built almost entirely from ejected lava fragments.
What is a cinder cone volcano?
100
Scientists test a hypothesis by
A. Formulating questions
B. Designing models
C. Doing experiments
C. Doing experiments
100
All of the planets in our solar system
A. Give off their own light
B. Have thick atmospheres
C. Orbit the sun
C. Orbit the sun
100
The Great Red Spot is believed to be a giant storm in the atmosphere of
A. Mars
B. Jupiter
B. Jupiter
100
The closest star to Earth is
A. The sun
B. Sirius
C. Canus major
d. Kelvin
A. The sun
200
A descriptive statement or mathematical equation that reliably predicts events under certain conditions is a ______________.
Law
200
A scientific theory is an explanation that
A. has been published in a journal or book
B. Predicts what will happen
C. Has been tested by many observations
B. Predicts what will happen
200
The solar system is held together by
A. Gravitational forces
B. Angular momentum
A. Gravitational forces
200
Terrestrial planets have similar
A. Compositions
B. Lifeforms
A. Compositions
200
The Milky Way galaxy contains interstellar matter that may
A. Form new galaxies
B. Form new stars
C. Form new universes
D. Form new constellations
B. Form new stars
300
A factor that changes in an experiment in order to test a hypothesis is a ______________________.
Variable
300
Maria is 123 centimeters tall. Her heights in meters is
A. 0.0123 m
B. 0.123 m
C. 1.23 m
C. 1.23 m
300
During a solar eclipse
A. The moon blocks out the sun
B. The moon blocks out the Earth
A. The moon blocks out the sun
300
There are _______________ planets that orbit the sun.
A. Seven
B. Eight
C. Nine
B. Eight
300
Elliptical galaxies often appear reddish due to an abundance of
A. Old stars
B. Black holes
C. Young stars
D. White dwarfs
A. Old stars
400
The three main branches of natural science are:
A. Physics and chemistry
B. Biology, zoology and ecology
C. Life, physical and Earth science
B. Biology, zoology and ecology
400
Which SI prefix means one one-hundredth (1/100)?
A. Nano-
B. Centi-
C. Milli-
B. Centi-
400
Which of the following is not an inner planet?
A. Venus
B. Mars
C. Jupiter
D. Earth
C. Jupiter
400
The inner planets are separated from the outer planets by
A. An asteroid belt
B. The moon's orbit
A. An asteroid belt
400
Our galaxy is classified as a(n)
A. Irregular galaxy
B. Elliptical galaxy
C. Spherical galaxy
D. Spiral galaxy
D. Spiral galaxy
500
The two main branches of science are:
A. Physics and chemistry
B. Natural and physical science
C. Biological and Earth Science
B. Natural and physical science
500
An important science skill is critical thinking. This means
A. Thinking logically to solve a problem
B. Discovering the shortcomings of others
C. Knowing when something is very important
A. Thinking logically to solve a problem
500
Mercury is characterized by
A. A thick atmosphere
B. Very extreme temperatures
B. Very extreme temperatures
500
A body that revolves around a planet is called a(n)
A. Satellite
B. Asteroid
A. Satellite
500
Who first proposed that the universe is expanding?
A. Darwin
B. Kepler
C. Copernicus
D. Hubble