WorksheetsIS - Earth Sci (1st Sem.) | Week 1
Total questions: 25
Worksheet time: 2hrs 5mins
Which ancient culture kept records of earthquakes as early as 780 BCE?
Chinese
Maya
Babylonians
Greeks
Earth science is the scientific study of
chemical equations.
health and nutrition.
Earth and its universe.
human behavior.
Rocks and minerals were cataloged around 200 BCE by
the Romans.
the Babylonians.
the Japanese.
the Greeks.
An idea that has been tested repeatedly and gains acceptance is called a
hypothesis.
law.
theory.
controlled experiment.
Earth scientists help us better understand the world around us by studying how
animals interact with humans.
natural forces shape our environemnt.
war impacts society.
genealogy and astrology impact society.
Which of the following is closest to the average circumference of Earth?
4,000 km
40,000 km
7,400 km
74,000 km
All of the following are parts of the compositional structure of Earth EXCEPT the
global ocean
mantle
core
crust
Which of the following is NOT one of three factors that control the balance of an ecosystem?
producers
decomposers
consumers
solar energy
How does the transfer of energy throughout an ecosystem begin?
Humans create pollution
Plants capture solar energy through photosynthesis
The energy store on Earth is depleted.
Producers eat consumers.
The shape of Earth most closely resembles a(n)
perfect sphere.
approximate oval.
oblate spheroid.
perfect circle.
Who uses soil maps?
chemists and physicists
farmers and conservationists
engineers and loggers
cartographers and geographers
What is latittude?
the angular distance north or south from the equator
the linear distance north or south from the equator
the angular distance east of west from the prime meridian
the linear distance north or south from the prime meridian
What is longitude?
the linear distance north or south from the prime meridian
the angular distance east of west from the prime meridian
the angular distance north of south from the equator
the linear distance east of west from the equator
Latitude and longitude can locate a place on Earth's surface by describing its position in degrees, minutes, and seconds
east of west of the prime meridian and north or south of the equator
north or south of 180 latitude and east of west 180 longitude
east or west of the international date line and north or south of the poles
north or south of the prime meridian and east or west of the equator
Scientists gather the information they need to make maps by using
listening devices and research.
field studies and divining.
the Internet and early maps.
field surveys and remote sensing.
Density, color, and boiling point are examples of
chemical descriptions.
chemical properties.
physical properties.
physical science.
Where are electrons found in atoms?
in the electron sphere
in the electron zone.
in the atomic ring cycle.
in the electron cloud.
In the chemical formula CO2, what does the small 2 mean?
2 carbon atoms
2 carbon dioxide atoms
2 carbon dioxide molecules
2 oxygen atoms
Two types of chemical bonds are
positive and negative.
ionic and covalent.
atomic and covalent.
ionic and coefficient.
How do compounds differ from mixtures?
Compounds are composed of chemically bonded substances; mixtures are composed of substances that are not bonded chemically.
Mixtures are composed of chemically bonded substances; compounds are composed of substances that are not bonded chemically.
Compounds are composed of physically bonded substances; mixtures are composed of substances that are not bonded chemically.
Mixtures are composed of chemically bonded substances; compounds are composed of solutions.
What is chatoyancy?
mineral shows metallic luster
mineral shows a cat's-eye effect
mineral shows nonmetallic luster
buoyancy
A phosphorescent mineral glows
after an ultraviolet light is turned off
after a fluorescent light is turned off.
in ultraviolet light.
at all times.
Isolated tetrahedra
link only with ring silicates.
link with silicon or oxygen atoms.
do not link with silicon or oxygen atoms.
do no exists in nature.
What is asterism?
a cat's eye shape appears when a mineral reflects light
a six-sided star shape appears when a mineral reflect light
a circular shape appears when a mineral reflects light
a square shape appears when a mineral reflect light
Double-chain silicates are formed when
two single-chains of framework silicates bond to each other.
double tetrahedra bond to each other.
two single-chains of tetrahedra bond to each other.
two rings of single-chains bond to each other.
