WorksheetsUIL Science II 8th Grade
Total questions: 36
Worksheet time: 18mins
Which of the following would not be found in the nucleus of an atom?
P+
N0
E-
Quark
This determines an elements chemical properties
Proton
Neutron
Photon
Electron
Which describes the element Hydrogen?
Alkali Metal
Alkaline Earth Metal
Noble Gas
Hallogen
Which of the following describes Chlorine?
Hallogen
Alkaline Earth Metal
Alkali Metal
Noble Gas
Which of the following describes Neon?
Hallogen
Alkaline Earth Metal
Alkali Metal
Noble Gas
In the formula K4He2, What is the ration of Potassium to Helium?
2:4
4:2
1:1
2:2
When you open a bag of candy and find that it has an unpleasant taste, the process that resulted in this taste is a:
Physical Change
Chemical Change
Chemical Property
Physical Property
Which of the following is not used in calculating acceleration?
Average Speed
Initial Velocity
Time
Final Velocity
A balloon car, as shown in the image, relies on which of Newton's laws?
The first law
The second law
The third law
None of the laws
Based on the image, Which phrase best describes the graphic show?
It is summer south of the equator and winter north of the equator
It is fall south of the equator and winter north of the equator
It is spring south of the equator and fall north of the equator
It is winter south of the equator and summer north of the equator
The normal phases of the moon are a mechanism that results from which of the following descriptions?
The change in the shape of the moon
Atmospheric interferences
The relative positions of the Earth, Moon and Sun
The shadows on the planet
When there is a new or full moon and the sun, moon and Earth are all aligned, their gravitational forces combine resulting in what tides?
Spring
Neap
Low
High
The source of energy responsible for the sun's high luminosity and temperature is:
Nuclear FIssion
Nuclear Fusion
Magnetic Fields
Gravity
For long term observation of electromagetic radiation from space, the instrument that detects it should be placed at which of the following locations?
On a mountain top
Earth's surface
A rocket
A satellite orbiting the Earth
A parsec is a unit of measurement used to measure long distances to objects outside of our solar system. 1 parsec equals 3.26 light years. The crab supernova remnant is about 4,000 light years away, how far in parsecs is this?
1,227
8.15 x 10-4
13,040
2.99 x 108
The discovery of radiation coming from all directions in space helps support the big bang theory because:
It could be cosmic background radiation
it helped prove that without a doubt the big bang explosion occured
Showed that all space has cooled to the same temperature
indicated that thermal energy was distributed in a few locations.
What is the name given to the giant super continent that was around millions of years ago?
Laurasia
Gondwanaland
Pangea
Pandora
An area in the middle of the continental plate where the plate is beginning to seperate is known as:
Trench
Rift Zone
Oceanic Ridge
Mountain Range
On a topographic map, the closer the contour lines are the:
Steeper the slop
Lower the elevation
flatter the surface
Gentler the slope
Convection currents occur in all of the following except:
Geosphere
Moon
Atmosphere
Hydrosphere
The graphic represents which of the following on a weather map?
Cold Front
Occulded Front
Stationary Front
Warm Front
The graphic represents which of the following on a weather map?
Stationary Front
Occluded Front
Warm Front
Cold Front
When hurricanes form in the summer months, where doe they originate from?
Near the equator
Near the arctic circle
Near the prime meridian
Over the land
The organism shown is gathering pollen and nectar for food but aids in the plants reproduction. Which of the following best demonstrates these actions?
Predation
Commensalism
Mutualism
Parasitism
Which of the following is not a biotic factor?
Grass
Trees
Plants
Water
Humans have developed strong ties with marine environments. Human actions have both direct and indirect nevgative effects. Which of the following is not one of these negative effects?
Land based pollutants, such as plastics or electrons
Marine protection acts
Pharmaceutical Disposal
Carbon Emissions
Ecosystems are constantly changing, In the last fifty years, human activities have modified many ecosystems. Which is not a significant change?
Conversion of ecosystems to cropland
Storage of water behind dams
Decreased carbon dioxide emissions
Loss of coral reef
In order to replicate other scientists experiments, scientists need a common system of measurement, which is:
Customary System
Metric System
American System
Linear System
In an experiment, an independent variable is best described as:
An adjustable condition
Comparative condition in which nothing is introduced
Something that must be consistently reproduced
Subject to challenge and revision; based on evidence
Which unit represents a quantitative observation?
Unit
Measurement
Element
Ruler
____________'s invention of the microscope is the basis for modern microbiology.
Harvey
Fahrenheit
Leeuwenhoek
Roentgen
What is the cornerstone for the scientific process?
A scientist's thinking
Communicating skills
Scientific Method
Using Technology
This is a representation of the real world
Model
Evidence
Hypothesis
Science
A tool used to make quanitative observations of a precise amount of volume of a liquid is a
beaker
graduated cylinder
analytical balance
microscope
An electronic balance is used for finding and objects:
volume
area
mass
weight
Which of the following is not a unit that is used to measure temperature?
celsius
fahrenheit
kelvin
thermometer
