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WorksheetsScience Midterm Study Guide
Total questions: 24
Worksheet time: 12mins
Who discovered that atoms can't be seen by the human eye?
Chadwick
Dalton
Archimedes
Rutherford
What is a substance produced when elements combine and whose properties are different from each of the elements in it
mixtures
metalloids
electrons
Compound
What is an uncharged particle located in the nucleus
Protons
neutrons
electrons
all of the above
What equals the total distance traveled divided by the total time taken to travel the distance
speed
Average speed
total distance
velocity
What is the speed of an object at one instant of time
speed
Total speed
Average seed
Instantaneous speed
Characteristics of something that permits its change to something new
Physical property
Physical change
Chemical property
Chemical change
Any characteristics of matter-such as color, shape, and taste- that can be detected by the sense without changing the identity of the matter
Physical property
physical change
Chemical Property
Chemical Change
Any change in the size, form, or state of matter in which the matters identity remains the same
Physical property
Physical change
Chemical property
Chemical change
Any change of material into a new material with different properties
Physical property
Physical change
Chemical property
Chemical change
Above pH7, Bitter
gases
Acid
Base
liquid
Below pH 7, Sour
gas
Acid
Base
pH scale
ranges from 0-14; Tells how sour or bitter
base scale
pH scale
barometer
thermometer
States that when a force is applied to a confined fluid, an increase in
pressure is transmitted equally to all parts of the fluid
dalton
Archimedes
Bernoulli
pascales
equals the change in velocity divided by the time for the change to take place; occurs when an object speeds up, slows down, or turns
terminal velocity
acceleration
speed
average speed
What is a positively charged particle located in the nucleus of an atom and is counted to identify the atomic number?
protons
neutrons
electrons
nucleus
What is an invisible, negatively charged particle located in a cloudlike formation that surrounds the nucleus of an atom?
protons
neutrons
electrons
nucleus
What are two or more atoms of the same element that have different numbers of neutrons in their nuclei?
electron
compound
isotope
mixtures
What is the number of protons in the nucleus of each atom of a given element, and is the top number in the periodic table?
atomic number
atomic length
atomic mass
atomic size
What happens when two or more substances come together but don't combine to make a new substance?
isotopes
compound
mixtures
metalloids
What is an element that has characteristics of both metals and nonmetals and is a solid at room temperature?
compounds
mixtures
metalloids
isotopes
change of matter from a gas to a liquid state
vaporization
evaporation
compound
condensation
how do you make table salt?
protons and neutrons
acids, bases
acids, nuetrons
bases, neutrons
P=F/A
pressure
pascal
density
force
D=M/V
mass
velocity
pascale
density
