Holt Physical Science Chapter 2: The Properties
of Matter Chapter Exam
Question 1
Which of the following is NOT an example of a compound?

    water



    salt



    hydrogen


    limestone




Question 2
The ability of iron to react to oxygen is an example of _____

    a chemical property.


    the formation of rust.


    a physical property.


    the combination of iron and oxygen.



Question 3
_____ properties of matter can be determined without changing composition, while _____
properties of matter must change the composition of matter.

    Chemical; physical


    Physical; chemical


    Chemical; flammable


    Physical; mental


Question 4
This is an example of a reversible physical change.

    An egg being cracked


    Water freezing to form ice


    A log being chopped


    Nitrogen gas being heated to form two new gasses


    Rust forming on an older vehicle



Question 5
Which of the following statements is TRUE concerning chemical change?

    Chemical changes cause substances to transform into new substances


    With chemical changes a substance changes form, but does not transform into a different substance


    All of the answers are true concerning chemical change


    Ice thawing to form water is an example of a chemical change


    Chemical changes are always easy to reverse



Question 6
These characteristics of a substance can only be observed during a reaction.

    Metabolic processes


    Chemical properties


    Density


    Malleability


    Physical properties


Holt Physical Science Chapter 3: States of Matter
Chapter Exam
Question 1
In the broadest sense, what was the Kinetic Molecular Theory designed to explain?

    The behavior of matter.



    What temperature measures.



    The types of intermolecular forces.


    Crystalline structures of solids.




Question 2
Which of the following is most likely to lead to a phase change?

    Adding a different particle to the system.



    A change in the intermolecular forces between particles


    Increasing the volume of the system.



    Changing the intermolecular force present.


Question 3
What is a dipole-dipole force?

    The force that occurs within a polar molecule because of the oppositely charged poles.


    The attractive force that occurs between an ion and a dipole.



    The force that occurs between non-polar molecules.


    The force that occurs between the oppositely charged poles of polar molecules.




Question 4
Which of the following is NOT a characteristic of solid particles?

    Solid particles have a lot of kinetic energy.


    Solid particles have definite shapes and volumes.


    Solid particles are very close together.


    Solid particles vibrate in place.




Question 5
To use Charles' Law, which of the following needs to remain constant?

    Pressure and volume


    Temperature and the number of moles of a gas


    Pressure and the number of moles of a gas


    Temperature and volume


    Pressure and temperature


Holt Physical Science Chapter 4: Elements,
Compounds, and Mixtures Chapter Exam
Question 1
In order for mercuric oxide to be broken down into the elements mercury and oxygen, this is
required.

    All of the answers are correct


    Dissolving


    Pressure


    Heat


    Electricity



Question 2
Compounds can be broken down into smaller units by this.

    Dissolving


    Mixing


    Chemical change


    Physical change


    Crushing


Question 3
Which of the following is an example of an element?

    NaCl


    P4


    Au


    H20


    H202




Question 4
Which of the following is NOT a way to separate a mixture?

    Centrifuge


    Distillation


    Hand separate the components


    All are ways to separate a mixture


    Filtration



Question 5
Which of the following does NOT affect the rate of dissolution of a solute?

    Time of day


    Temperature


    Pressure


    Surface area


Holt Physical Science Chapter 5: Matter in Motion
Chapter Exam
Question 1
If the gravitational pull of the sun is so strong, why are we not pulled off the Earth and into the sun?

    The earth rotates daily, which decreases the pull of the sun


    The gravitational pull of the sun is weakened due to the pull of other planets in the solar system


    The sun is too far away


    The mass of the sun is less than the mass of earth


    The sun's gravitational pull only affects objects on its surface



Question 2
What law states that all objects in the universe are attracted to each other through the force of
gravity?

    Law of Conservation of Gravity


    Boyle's Law


    Law of Universal Gravitation


    Isaac's Law


    Archimedes' Principle


Question 3
How can a moving object be in equilibrium?

    A force keeps it moving at constant velocity


    There is no change in the object's state of motion



    None are correct


    A moving object cannot be in equilibrium


    A force gets it moving




Question 4
Why do we say that force is a vector quantity?

    It has magnitude only


    It has magnitude and direction


    Because forces can be balanced



    It has direction only


    Because forces can be unbalanced


Holt Physical Science Chapter 6: Forces and
Motion Chapter Exam
Question 1
The horizontal velocity of a projectile

    Will decrease as the object rises



    Will increase as the object falls



    Is only influenced by air resistance when the object is at its highest point


    Is influenced by air resistance



    Will remain the same throughout the entire motion




Question 2
Before beginning projectile motion problems, you need to

    Solve for the acceleration due to gravity


    Split the projectile into mass and velocity vectors



    Split the horizontal motion and vertical motion


    Consider the impact of air resistance



    Determine the surface area of the projectile


Question 3
Which of the following is NOT considered a projectile motion problem?

    All should be solved as projectile motion problems


    A football rolling down a hill



    A baseball thrown from right field to second base


    A cannon ball shot towards a castle wall


    A golf ball on a tee struck by a driver




Question 4
A ball is moving at 5 m/s with a momentum of 12 kg m/s. What is the mass of the ball?

    30 kg


    0.4 kg


    60 kg



    2.4 kg


Question 5
If an object has a mass of 10 kg and a velocity of 6 m/s to the left, what is its momentum?

    60 kg*m/s to the left


    600 kg*m/s to the left



    0.6 kg*m/s to the left


    60 kg*m/s


    6 kg*m/s to the right




Question 6
Jeff's car weighs 2000 lbs and is moving east at 20 km/hour. Jordan's car is twice as heavy, and is
moving east at 10 km/hour. Whose car has more momentum?

    Jordan's car has more momentum because it weighs more.


    Jordan's car has more momentum because it's going slower


    Neither. Both cars have the same momentum.


    Jeff's car has more momentum because it is going faster.


    Jeff's car has more momentum because it weighs less


Holt Physical Science Chapter 7: Forces in Fluids
Chapter Exam
Question 1
Why does covering the garden hose create a greater spray of water?

    The opening is narrower, increasing the speed of the water



    The opening is narrower, decreasing the speed of the water



    The opening is narrower, increasing the pressure of the water


    The opening is wider, increasing the pressure of the water



    The opening is wider, decreasing the pressure of the water




Question 2
When two ships pass each other, where is the area of greatest pressure?

    In the water on the outer sides of the two ships


    The pressure is the same all around the two ships



    In the water directly behind the two ships


    In the water directly in front of the two ships



    In the water between the two ships


Question 3
According to Bernoulli's principle, when a fluid's pressure decreases, what happens to the speed of
the fluid?

    It stays the same



    None are correct


    It decreases



    It becomes variable



    It increases




Question 4
When streamlines are spread apart, what does this tell us about the fluid?

    It is moving fast and has a low pressure


    It is moving fast and has a high pressure



    It is moving slowly and has a high pressure


    It is moving slowly and has a low pressure


    It is impossible to tell without more information


Question 5
Why is the top of an airplane's wing curved?

    To create an area of low pressure below the wing


    To create an area of low pressure above the wing



    To create an area of high pressure above the wing


    To create equal pressure above and below the wing


    To make the wing look really cool




Question 6
Which of the following represents some form of the hydrostatic equation?

    ρ = P/(gd)


    All are correct


    P = ρgd


    P = ρgh



    P/(ρg) = d


Holt Physical Science Chapter 10: Heat and Heat
Technology Chapter Exam
Question 1
The oven in your house uses convection to heat food. This means that _____.

    The oven uses solar radiation to cook the food.



    The oven circulates hot air which cooks the food.



    The oven uses induction to cook the food.


    The oven uses extra insulation to cook the food faster.



    The oven uses an electromagnet to cook the food faster.




Question 2
Which statement is NOT true about all forms of radiation?

    All objects absorb radiant energy.


    Radiation always causes illness.



    All objects emit radiant energy.


    It is the movement of heat by electromagnetic waves.



    It can travel through empty space.


Question 3
Which statement is NOT true about insulation?

    It completely stops the transfer of heat.


    Good insulators are poor conductors.



    It is the opposite of conduction.


    It slows the transfer of heat.




Question 4
Calculate the specific heat capacity of the following substance. 200 Joules are required to raise the
temperature of 10 grams of the substance 10 degrees Celsius.

    1 Joule/Gram/Degree Celsius


    2 Joules/Gram/Degree Celsius


    200 Joules/Gram/Degree Celsius



    20 Joules/Gram/Degree Celsius


    2000 Joules/Gram/Degree Celsius


Question 5
Which of the following substances has the highest specific heat capacity?

    air


    water



    alcohol


    metal


    rock




Question 6
The total energy contained within a substance is termed ...

    kinetic energy


    potential thermal energy


    temperature


    average kinetic energy



    heat energy


Holt Physical Science Chapter 11: Introduction to
Atoms Chapter Exam
Question 1
Which of the following was the instrument used for the discovery of the electron?

    Gold foil experiment



    Alpha particle emitter



    Cathode ray tube


    Oil drop apparatus



    Plum pudding model




Question 2
What did Rutherford discover in his gold foil experiment?

    Atoms are small and dense.


    Electrons are negative.



    The nucleus is positively charged, small, and dense.


    Neutrons are located in the nucleus.


Question 3
Why did Democritus disagree with Aristotle?

    Aristotle thought matter could be divided infinitely, but Democritus thought there were tiny, indivisible
    particles.


    Democritus thought matter could be divided infinitely, but Aristotle thought there were tiny, indivisible
    particles.


    Democritus thought all matter was made of atoms, but Aristotle thought that only solids were made of
    atoms.



    Aristotle thought all matter was made of atoms, but Democritus thought that only solids were made of
    atoms.




Question 4
Who first coined the term atom, meaning indivisible?

    Dalton



    Thomson


    Rutherford


    Aristotle


    Democritus


Question 5
Which scientist used the oil drop experiment to measure the charge of individual electrons?

    Millikan


    Dalton



    Rutherford


    Democritus




Question 6
What does the atomic number represent?

    number of protons


    total number of protons and neutrons


    number of neutrons


    total number of electrons and protons combined


    total number of electrons, protons, and neutrons


Holt Physical Science Chapter 14: Chemical
Reactions Chapter Exam
Question 1
If you wanted to decrease the rate of reaction, what action would you need to take?

    Increase the surface area.



    Insert a catalyst.



    Double the reactants.


    Decrease the temperature.




Question 2
Suppose you were teaching a science class to middle school students. Because you want to show
them an impressive chemical reaction, you decide to dissolve zinc in hydrochloric acid. You add
more acid than usual and throw in pieces of zinc. What factor is not going to impact the reaction
rate?

    The temperature of the solution



    The surface area of the zinc


    Amount of hydrochloric acid



    The concentration of reactants


Question 3
What does an increase in temperature do to the reaction rate?

    It increases the number of effective collisions between reactants, raising the reaction rate.


    It decreases the energy of the system, limiting how much further reaction can occur.



    It increases the concentration of the molecules and slows down the rate of reaction.


    It decreases the number of collisions and the energy of molecules to limit further reaction.




Question 4
What makes the statement 'the presence of a catalyst will slow down a reaction' incorrect?

    A catalyst will increase the rate of reaction by raising the amount of energy dedicated to fueling the
    process.


    A catalyst actually increases the rate of reaction by its very introduction into a slow process.


    A catalyst actually increases the rate of reaction by lowering the amount of energy needed to start the
    process.



    A catalyst will either increase or decrease the rate of reaction based on what type of material is used.




Question 5
When a bond forms, energy is given off to the surroundings. This is an example of

    the law of conservation of matter.


    an exothermic reaction



    an endothermic reaction


    Newton's third law.


Holt Physical Science Chapter 2: The Properties
of Matter Chapter Exam
Question 1
Which of the following is NOT an example of a compound?

    water



    salt



    hydrogen


    limestone




Question 2
The ability of iron to react to oxygen is an example of _____

    a chemical property.


    the formation of rust.


    a physical property.


    the combination of iron