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WorksheetsPhysical Science Mid-Term SG (chapters 1-4)
Total questions: 133
Worksheet time: 1hrs 27mins
Matter-
anything that has mass and takes up space
anything made up of atoms
the ratio of a substance's mass to its volume
the logical conclusion is drawn from observations, previous knowledge, and available information
Hypothesis-
a possible testable explanation for one or more observations or a suggested, testable answer to a question
passive movement is in gases in the woods that spread out particles from the area of higher concentration to an area of lower concentration
state of matter in which a substance has a definite shape and volume
well supported, in-depth explanation of a broad range of phenomenon
Density-
passive movement within gases and liquids hospital particles from the area of higher concentration to an area of lower concentration
the ratio of a substance's mass to its volume
a factor that changes an experiment
a impossible testable explanation for one or more observations or a suggestion, testable answer to a question
Liquid-
state of matter in which a substance has a definite shape and a definite volume
state of matter in which a substance has a definite volume
state of matter in which a substance has neither a definite shape nor a definite volume
Inference-
passive movement within gases and liquids that spread out particles from an area of higher concentration to an area of lower concentration
well supported, in-depth explanation of a broad range of phenomenon
the logical conclusion is drawn from observations, previous knowledge, and available information
ratio of a substance is mass to its volume
Variable-
a possible testable explanation for one or more observations or a suggestion, testable answer to a question
two or more substances put together but not chemically bound
a factor that changes in an experiment
anything that has mass and takes up space
Gas-
state of matter in which a substance has a definite shape and a definite volume
state of matter in which a substance has a definite volume
state of matter in which a substance has neither a definite shape or a definite volume
Diffusion-
passive movement within gases and liquids and spread out particles from an area of higher concentration to an area of lower concentration
Logical conclusions are drawn from observations, previous knowledge, and information
anything that has mass and takes up space
ratio of a substance's mass to its volume
Solid-
state of matter in which a substance has a definite shape and a definite volume
state of matter in which a substance has a definite volume
state of matter in which a substance has neither a definite shape nor volume
Mixture-
ratio of a substance's mass to its volume
a factor that changes in an experiment
two or more substances put together but not chemically bound
logical conclusion drawn from observations, previous knowledge, and available information
Scientific Theory-
well supported, in-depth explanation of a broad range of phenomenon
the logical conclusion is drawn from observations, previous knowledge, and a bit of information
a testable explanation for one or more observations or suggested, testable answer to a question
anything that has mass and takes up space
A Circle Graph is pies cut into slices. It is best used to communicate...
the different variables you want to compare
the % of information collected
comparison between 2 numbers
relationship of 2 variables
Which one is NOT part of the Scientific Method?
Materials
Data
Properties
Hypothesis
A solution is...
A homogeneous mixture is made by dissolving one substance into another
The substance that does the dissolving
The substance that gets dissolved
The ratio of a substance's mass to the volume
Sugar water is best described as a...
Compound
Element
Mixture
Solution
A substance that is made up of only one kind of atom is a(n)...
Compound
Element
Solution
Homogeneous mixture
Matter that has a definite volume, but no definite shape and is a...
solid
liquid
gas
plasma
Which of the following is not an example of a physical property?
Reactivity
Density
Hardness
Melting Point
★ 99% of all matter that can be observed in the Universe is...
solid
liquid
gas
plasma
Which action involves a chemical change?
shredding paper
baking a cake
making sweet tea
freezing water into ice
Most Scientists use the Kelvin to measure thermal energy temperature.
True
Flase
Joseph Priestley made the first carbonated beverage.
True
False
Gas will NOT mix completely when added to the same container.
True
False
Tables are the most commonly used graph in science.
True
False
And a controlled experiment, factors are held constant.
True
False
Volume is the amount of space something occupies.
True
False
Henry Cavendish is a Scottish scientist that discovered hydrogen had a funny smell and seemed to see the color blue.
True
False
A physical change is what happens when water turns into a solid.
True
False
The occupation of a Biologist would work in the field of...
life science
physics
chemistry
earth science
The occupation of an Astrologist would work in the field of...
Life Science
Physics
Chemistry
Earth Scientist
The occupation of a Chemist would work in the field of...
life science
physics
chemistry
earth science
The occupation of a meteorologist would work in the field of...
life science
physics
chemistry
earth science
What are the THREE properties of gas?
volume
shape
color
pressure
tempture
The distance between two points is called...
length
meters
feet
inches
_____ is for measuring mass, a ______ is for measuring time, and a _____ is for measuring length. (select in the correct order)
kilograms, seconds, meter
seconds, kilograms, meter
meter, kilograms, seconds
none of the above
What are the 3 states and phases of matter?
liquid
solid
gas
water
fire
The substance that gets dissovled (a) . (solute, solvent, or solution)
The substance doing the dissolving (a) . (solute, solvent, or solution)
The homogenous mixture that is created by dissolving one substance into another (a) . (solute, solvent, or solution)
how many liquids are on the periodic table? (put the number such as 37, 82, 5, 46, etc)
(a)
Who was the first to photograph a snowflake?
Bentley
Tompson
Democritus
Borh
Who developed the first atomic theory?
Democritus
Bently
Tompson
Dalton
__________ was a Russian scientist that developed the idea of putting elements on a table to make it easier for students to understand.
Mendeleave
Democritus
Bently
Davis
I am the one that thought that the atom looked like plum pudding so I called my atom to come plum pudding model. Who am I?
Tompson
Borh
Democritus
Bently
the smallest unit of matter is the atom
true
false
An electron cloud represents all the orbitals in an atom.
true
false
The maximum number of electrons that an atomic orbital can contain is four.
true
false
Snowflakes are 8 sided. All of them, they don't have different numbers.
true
false
Elements with a number greater than 84 are radioactive.
true
false
24 elements are made in a lab.
true
false
The periodic table is set up in rows and columns.
true
false
There are 98 known elements on the periodic table.
true
false
The largest block of elements on the table is the transitional metals.
true
false
Which subatomic particle has a negative charge?
nucleus
neutron
proton
electron
Who was the FIRST to argue that all matter was made from indivisible particles called atoms?
Democritus
Aristotle
Dalton
Rutherford
Rutherford's atom model with a nucleus, the positive charge is _________.
spread evenly throughout the atom
concentrated in the center of the atom
located outside the nucleus
located at several spots within tha atom
The Carbon Group is in group ________ with _________ valence electrons.
2A, 2
3A, 3
4A, 4
5A, 5
Which group of elements is least reactive?
group 1
group 8
group 7
group 2
Statement about subatomic particles is not true?
When an electron has far less mass than either a proton or neutron
Protons and neutrons have almost the same mass
Neutrons have no charge and no mass
Protons and electrons have opposite charges
Which of the following is the symbol for Nickel?
N
Ni
Ne
Na
Which of the following is the symbol for Iodine?
Fe
Zn
Hg
I
Most of the magnets we have around or are made of iron, what symbol would be used to indicate that in science class?
Au
P
Fe
Mg
We need K in our diets. What is K?
Zinc
Iron
Calcium
Potassium
Select the following element that is a gas.
oxygen
mercury
copper
iron
Milk is a...
mixture
element
compound
Sliver is a...
mixture
element
compound
Gold is a...
mixture
compound
element
Salt is a...
compound
mixture
element
Soap is a...
mixture
element
compound
Plastic is a...
mixture
compound
element
Besides mercury and lead, list one of the 7 ancient metals.
(a)
Which of these is NOT a true fact about atoms?
atoms cannot be created nor destroyed
electrons are made up of atoms
the nucleus is located at the center of the atoms
atoms contain protons, neutrons, and electrons
What is 1 referring to in this picture?
element name
atomic number
element symbol
atomic weight
What is 2 referring to in this picture?
element name
atomic number
element symbol
atomic weight
What is 3 referring to in this picture?
element name
atomic number
element symbol
atomic weight
What is 4 referring to in this picture?
element name
atomic number
element symbol
atomic weight
What is the symbol for Mercury?
(a)
What dose Cu stand for?
(a)
What dose S stand for?
(a)
What is the symbol for Aluminum?
(a)
What dose C stand for?
(a)
What dose He stand for? (element)
(a)
What is the symbol for Silicon?
(a)
What is the symbol for Uranium?
(a)
What is the symbol for Gold?
(a)
What is the symbol for Tin?
(a)
What dose Ag stand for?
(a)
What is the symbol for Calcium?
(a)
What dose Cl stand for?
(a)
What is the symbol for Hydrogen?
(a)
What is the symbol for Lead?
(a)
What dose Zn stand for?
(a)
Protons are (a) in charge.
Protons are (a) in size.
Protons are located in the (a) .
Protons are a (a) particle.
Electrons are (a) in charge.
Electron- least (a) is size.
Electrons are (a) particles.
Electrons can also ____ ______ making them orbital atoms.
(a)
Neutrons are (a) in charge.
A neutron is more massive than a (a) .
Neutrons can be divided into (a) .
The symbol for a Neutron is (a) .
The Nucleus contains the ________ and ________. (write your answer as "examples and examples")
(a)
The (a) move at high speeds around the nucleus.
Ionic Bond-
a chemical bond formed between oppositely charged ions
a chemical bond in which two atoms share one or more pairs of valence electrons
the force of attraction between molecules of different substances so that they tend to stay together
a molecule that has slight positive and negative charges due to an imbalance in the way electrons are shared
Cohesion-
The force of attraction between molecules of the same substance so that they tend to stick together
The force of attraction between molecules of different substances so that they tend to stick together
substances that undergo a chemical change
a chemical bond formed between oppositely charged ions
Reactants-
new substances formed as a result of a chemical change
substances that undergo a chemical change
a chemical bond in which two atoms share one or more pairs of valence electrons
force of attraction between molecules of different substances so that they tend to stick together
Adhesion-
the force of attraction between molecules of the same substance so that they tend to stick together
the force of attraction between molecules of different substances so that they tend to stick together
a molecule that has slight positive and negative charges due to an imbalance in the way electrons are shared
numbers that appear before a formula in a chemical equation to show how many atoms or molecules of each reactant or product are involved in the reaction
Covalent Bond-
a chemical bond formed between oppositely charged ions
substances that undergo a chemical change
a chemical bond in which two atoms share one or more pairs of valence electrons
new substances formed as a result of a chemical change
Coefficients-
A chemical bond formed between oppositely charged ions
A notation indicating the elements in a compound and the ratios of the atoms of each element
Numbers that appear before a formula in a chemical equation to show how many atoms or molecules of each reactant or product are involved in the reaction
Force of attraction between different substances so that they tend to stick together
Polar Molecule-
a molecule that has slight positive and negative charges due to an imbalance in the way electrons are shared
numbers that appear before a formula in a chemical equation to show how many atoms or molecules of each reactant or product are involved in the reaction
Hey notation indicating the elements in a compound and the ratios of the atoms each on the element
A chemical bond formed between oppositely charged ions
Products-
new substances formed as a result of chemical change
substances the undergo a chemical change
a chemical bond formed between formula in a chemical equation to show how many atoms or molecules of each reactant or product are involved in the reaction
Numbers that appear before a formula in a chemical equation to show how many atoms or molecules each reactant or product involved in the reaction
Chemical Formula
a notation indicating the elements in a compound and the ratio of the atoms of each element
Numbers that appear before a formula in a chemical equation to show how many atoms or molecules each reactant or product involved in the reaction
Force of attraction between different substances so that they tend to stick together
new substances formed as a result of a chemical change
Water molecules are polar because the oxygen atom has a greater attraction for electrons than the hydrogen atom does.
Ture
False
Scientists can predict the probability of finding an electron in certain zones at certain times.
True
False
Hydrogen bonds are strong because they need lots of energy to break apart.
True
False
Icebergs come from frozen sea ice.
True
False
Calcium compounds build up on pipes and fixtures and this is what happens with hard water.
True
False
Meniscus is a convex curve in the upper surface of water.
True
False
Surface tension allows insects to float and slide on water.
True
False
The liquid form of water does not have any space between each.
True
False
It is unhealthy for all living things to have minerals in the water so water treatment plants take them out.
True
False
How much of an iceberg is below the surface?
80%
90%
60%
70%
Ice is a (a) shape.
(a) is the most common solvent.
A skin-like boundary that supports things on the surface of water, This phenomenon is known as ___________ ___________.
(a)
Select all that are causes of water pollution.
oil
fertilizers
minerals
garbage and plastics
iorn
Select three minerals that can be found in water.
calcium
helium
hydrogen
iron
magnesium
Water molecules are considered (a) . They have a slight positive charge and negative charge due to the imbalance in the way the electrons are shared.
Why do icebergs float?
because they just feel like it bro
they are 9% less dense
because water expands upon freezing allowing air between molecules and their hexagonal shapes
because it is made up of fresh water
Which one is considered nonpolar?
calcium
vegetable oil
salt
sugar
