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physical science

Total questions: 180

Worksheet time: 2hrs 31mins

Name
Class
Date
1.

a description of how close a measurement is to the true value of the quantity measured

a)

length

b)

scientific law

c)

accurcy

2.

the ability and willingness to assess claim critically and make judgments on the basis of objective and supported reasons

a)

science

b)

critical thinking

c)

mass

3.

the measure of the straight- line distance between two points

a)

length

b)

volume

c)

mass

4.

a measure of the amount of matter in an object

a)

precision

b)

scientific method

c)

mass

5.

the exactness of a measurement

a)

atom

b)

precision

c)

mixture

6.

the knowledge obtained by observing natural events and conditions in order to discover facts and formulate laws or principles that can be verified or tested

a)

technology

b)

density

c)

science

7.

a summary of many experimental results and observations; a law tells how things work

a)

scientific law

b)

electrons

c)

metal

8.

a series of steps followed to solve problems including collecting data, formulating a hypothesis, testing the hypothesis and stating conclusions

a)

product

b)

alloy

c)

scientific method

9.

a method of expressing a quantity as a number multiplied by 10 to the appropriate power

a)

variable

b)

scientific notation

c)

volume

10.

an explanation for some phenomenon that is based on observation, experimentation, and reasoning

a)

scientific theory

b)

ionic bond

c)

polymer

11.

a prescribed decimal place that determines the amount of rounding off to be done based on the precision of the measurement

a)

significant figures

b)

atom

c)

element

12.

an application of scientific knowledge for practical purpose

a)

chemical formula

b)

technology

c)

boiling point

13.

a factor that changes in an experiment in order to test a hypothesis

a)

density

b)

weight

c)

variable

14.

a measure of the size of a body or region in three-dimensional space

a)

element

b)

chemical change

c)

volume

15.

a measure of the gravitational force exerted on an object

a)

molar mass

b)

chemical bond

c)

weight

16.

the smallest unit of an element that maintains the properties of the element

a)

flammability

b)

atom

c)

compound

17.

the temperature at which a liquid becomes a gas

a)

boiling point

b)

compound

c)

mixture

18.

a substance that cannot be broken or separated down into simpler substances by chemical means

a)

mixture

b)

pure substance

c)

element

19.

a combination of chemical symbols and numbers to represent a substance

a)

density

b)

mixture

c)

chemical formula

20.

a change that occurs when a substance changes composition by forming one or more mew substances

a)

substrate

b)

chemical change

c)

melting point

21.

a substance made of atoms of two or more different atoms that are chemically combined

a)

compound

b)

mixture

c)

volume

22.

the ratio of the mass of a substance to the to the volume of the substance

a)

reactivity

b)

density

c)

pure substance

23.

the ability of a substance to react in the presence of oxygen and burn when exposed to a flame

a)

pure substance

b)

reactivity

c)

flammability

24.

the temperature and pressure at which a solid becomes a liquid

a)

alkali metal

b)

melting point

c)

atomic mass unit

25.

a change of matter from one form to another without a change in chemical properties

a)

physical change

b)

halogen

c)

bond length

26.

a sample of matter, either a single element or a single compound that has definite chemical and physical properties

a)

average atomic mass

b)

pure substance

c)

alkaline earth metal

27.

the ability of a substance to combine chemically with another substance

a)

bond angle

b)

average atomic mass

c)

reactivity

28.

one of the elements of group 1(I) of the periodic table

a)

alkali metals

b)

avogadro's constant

c)

group or family

29.

one of the elements of group 2 (II) of the periodic table

a)

conversion factor

b)

electrons

c)

alkaline earth metal

30.

a unit of mass that described the mass of an atom or molecule

a)

atomic mass unit

b)

organic compound

c)

carbohydrate

31.

the number of protons in the nucleus of an atom

a)

metal

b)

atomic number

c)

molar mass

32.

the weighted average of the masses of all naturally occurring isotopes of an element

a)

average atomic mass

b)

empirical formula

c)

molecular formula

33.

equals 6.022 x10 23 /mol; the number of particle in a mol

a)

Avogadro's constant

b)

halogen

c)

amino acid

34.

a ratio that is derived from the equality of two different units and that can be used to convert from from one unit to another

a)

mass number

b)

conversion factor

c)

halogen

35.

a subatomic particle that has a negative charge

a)

catalyst

b)

electrons

c)

chemical reaction

36.

a vertical column of elements in the periodic table

a)

groups

b)

family

c)

both 1 and 2

d)

none of the above

37.

one of the elements of group 17 (VII) of the periodic table

a)

halogen

b)

bond length

c)

chemical bond

38.

the sum of the number of protons and neutrons in the nucleus of the atom

a)

electrolysis

b)

mole ratio

c)

mass number

39.

what is a metal

a)

the mass in grams of 1 mol of a substance

b)

the angle formed by two bonds to the same atom

c)

an element that is shiny and conducts heat and electricity well

40.

what is molar mass.

a)

the arrangement of atoms in a substance

b)

a bond formed by the attraction between oppositely charged ions

c)

the mass in grams if 1 mol of a substance

41.

what is amino acid?

a)

any one of 20 different organic molecules that contain a carboxyl group and that combine to form proteins

b)

a substance that forms in a chemical reaction

c)

a substance or molecules that participates in a chemical reaction

42.

what does bond length mean

a)

an ion made up of two or more atoms

b)

a large molecule that is formed by more than five monomers or small units

c)

the average distance between the nuclei of two bonded atoms

43.

what is bond angle

a)

the angle formed by two bonds to the same aatom

b)

a covalently bonded compound that contains carbon, excluding carbonate and oxides

c)

a large molecule that is formed by more than five monomers or small units

44.

what is the angle formed by two bonds to the same atom

a)

acute angle

b)

bond angle

c)

obtuse angle

45.

what is any organic compound that is made of carbon, hydrogen, and oxygen and provides nutrients to cells of living things

a)

organic compound

b)

carbohydrate

c)

ionic band

46.

what bond as the attractive force that holds atoms or ions together

a)

ionic bond

b)

metallic bond

c)

chemical bond

47.

what is a chemical structure

a)

an ion made up of two or more atoms

b)

the arrangement of atoms in a structure

c)

a bond formed by the attraction between oppositely charged ions

48.

covalent bond is a bond formed by the attraction between positively charged metal and the electrons around them

a)

true

b)

false

49.

which formula has the composition of a compound in terms of the relative numbers and kinds of atoms in the simplest ratio

a)

molecular formula

b)

empirical formula

50.

which bond is a bond formed by the attraction between oppositely charged ions

a)

organic compound

b)

ionic bond

c)

metallic bond

51.

metallic bond is a bond formed by the attraction between positively charged metal and the electron around them

a)

true

b)

false

52.

molecular formula is a chemical formula that slows the number and kind of atoms in a molecule, but not the arrangement of the atoms

a)

true

b)

false

53.

what is a covalently bonded compound that contains carbon, excluding carbonates and oxides

a)

organic compound

b)

ionic bond

c)

polymer

54.

what is a polyatomic ion

a)

a large molecule that is formed by more than five monomers or small units

b)

an ion made up of two or more atoms

c)

a substance that changes the rate of reaction without being consumed or charged significantly

55.

polymer is an organic compound that is made of amino acids and is the principal component of all cells

a)

true

b)

false

56.

si stands for international system of units

a)

true

b)

false

57.

how do you determine the volume of a rock

a)

water displacement

b)

L*W*H

c)

D=m/v

58.

protein is a large molecule that is formed by more than five monomers or small units

a)

true

b)

false

59.

catalyst is a substance that changes the rate of reaction without being consumed or changed significantly

a)

true

b)

false

60.

which reaction has the oxidation reaction of an organic compound, in which heat is released

a)

chemical reaction

b)

decomposition reaction

c)

combustion reaction

61.

chemical energy is the energy released when a chemical compound reacts to form new compounds

a)

true

b)

false

62.

which reaction is a representation of a chemical reaction that used symbols to show the relationship between the reactants and products

a)

chemical reaction

b)

exothermic reaction

c)

double displacement reaction

63.

chemical equilibrium is a state of balance in which the rate of a forward reaction equals the rate of the reverse reaction and the concentration of reactants and products remains uncharged

a)

true

b)

false

64.

which reaction is a reaction in which a single compound breaks down to form two or more simpler substances

a)

oxidation reduction reaction

b)

exothermic reaction

c)

decomposition reaction

65.

electrolysis is a type of protein that speeds up metabolic reactions in plants and animals without being permanently changed or destroyed

a)

true

b)

false

66.

which reaction is a chemical reaction requiring heat

a)

exothermic reaction

b)

endothermic reaction

c)

oxidation reduction reaction

67.

what is a type of protein that speeds up metabolic reactions in plants and animals without being permanently charged or destroyed

a)

mole ratio

b)

product

c)

enzyme

68.

which reaction is a chemical reaction in which heat is released to the surroundings

a)

single displacement reaction

b)

oxidation reduction reaction

c)

exothermic reaction

69.

mole ratio the relative number of moles of the substances required to produce a given amount of product in a chemical reaction

a)

true

b)

false

70.

what reaction is any chemical change in which on species is oxidized (loses electrons) and another species is reduced (gains electrons)

a)

oxidation reduction reaction

b)

single displacement reaction

c)

synthesis reaction

71.

what is a product

a)

an organic group that has one or more electrons available or bonding

b)

a solid or liquid mixture of two or more metals

c)

a substance that forms in a chemical reaction

72.

an organic group that has one or more electrons available for bonding

a)

substrate

b)

radical

c)

reactant

73.

reactant is a substance or molecules that participates in a chemical reaction

a)

true

b)

false

74.

what reaction is a reaction in which one element or radical takes the lace of another element or radical in a compound

a)

synthesis reaction

b)

single displacement reaction

c)

substrate

75.

substrate is a part, substance or element that lies beneath and supports another part, substrate, or element

a)

true

b)

false

76.

what is a synthesis reaction

a)

a reaction in which two or more substances combine to form a new compound

b)

the amount of a particular substance in a given quantity of a mixture solution or ore

c)

a compound whose electrons are equally distributed among its atoms

77.

a solid or liquid mixture of two or more metals

a)

alloy

b)

emulsion

c)

molarity

78.

a mixture consisting of tiny particles that are intermediate in size between those in solutions and those in suspensions and are suspended in a solid, liquid or gas

a)

concentration

b)

colloid

c)

emulsion

79.

concentration is the amount of a particular substance in a given quantity of a mixture solution or ore

a)

true

b)

false

80.

emulsion is an expression of the concentration of a solution in moles of dissolved solute per liter of solution

a)

true

b)

false

81.

hydrogen bonding is the intermolecular force occurring when a hydrogen atom that is bonded to a highly electronegative atom of one molecule is attracted to two unshared electrons of another molecule

a)

true

b)

false

82.

molarity is any mixture of two or more immiscible liquids in which one liquid is dispersed in the other

a)

true

b)

false

83.

which compound is a compound whose electrons are equally distributed among its atoms

a)

nonpolar compound

b)

polar compound

84.

which compound is a molecule that has an uneven distribution of electrons

a)

nonpolar compound

b)

polar compound

85.

which solution is a solution that cannot dissolve any ore solute under the given conditions

a)

unsaturated solution

b)

supersaturated solution

c)

saturated solution

86.

what is a solubility

a)

a mixture in which particles of a material are more or less evenly dispersed through a liquid or gas and can sette out

b)

the maximum amount of a solute that will dissolve in a given quantity of solvent at a given temperature and pressure

c)

a homogeneous mixture of two or more substances uniformly dispersed throughout a single phase

87.

what is a solute

a)

in a solution the substance that dissolves in the solvent

b)

a mixture in which particles of a material are more or less evenly dispersed through a liquid or gas and can settle out

c)

in a solution the substance in which the solute dissolve

88.

solution is a homogeneous mixture of two or more substances uniformly dispersed throughout a single phase

a)

true

b)

false

89.

solvent is in a solution the substance in which the solute dissolves

a)

true

b)

false

90.

which solution is a solution that holds more dissolved solute than is required to each equilibrium at a given temperature

a)

saturated solution

b)

supersaturated solution

c)

unsaturated solution

91.

suspension is a mixture in which particles of a material are more or less evenly dispersed through a liquid or gas and can settle out

a)

true

b)

false

92.

which solution is a solution that contains less solute that a saturated solution does and that is able to dissolve additional solute

a)

saturated solution

b)

supersaturated solution

c)

unsaturated solution

93.

which solution is a solution that contains less solute that a saturated solution does and that is able to dissolve additional solute

a)

saturated solution

b)

supersaturated solution

c)

unsaturated solution

94.

how do you determine volume for a cube

a)

water displacement

b)

LxWxH

95.

what is the SI unit for mass

a)

sec

b)

g

c)

g/cm

96.

convert 100.0 m to dm

a)

10.00 dm

b)

1.000 dm

c)

1000 dm

97.

what is the SI unit for length

a)

g

b)

m

c)

cm3 or 1ml

98.

convert 1.32mm to Km

a)

13.2 Km

b)

0.00000132Km

c)

0.00132Km

99.

what is the SI unit for volume

a)

1 ml

b)

cm3

c)

both 1 and 2

d)

none

100.

convert 756,000.0 Dm to cm

a)

756,000,000 cm

b)

756.0 cm

c)

756,000.000 cm

101.

what is the SI unit for time

a)

g/cm

b)

sec

c)

g

102.

what is the numerical value for Kilo

a)

100

b)

1000

c)

10

103.

what is the SI unit for temperature

a)

g/cm

b)

m

c)

sec

104.

what is the numerical value for Hecto

a)

10

b)

100

c)

1000

105.

what is the SI unit for density

a)

cm3 or 1 ml

b)

sec

c)

g/cm

106.

what is the numerical value for Deka

a)

100

b)

10

c)

1000

107.

how is density calculated

a)

LxWxH

b)

D=m/v

108.

what is the numerical value for deci

a)

0.01

b)

0.1

c)

0.001

109.

what is an organized manner in which a problem is solved

a)

control variable

b)

scientific method

c)

hypothesis

110.

what is the numerical value for centi

a)

0.1

b)

0.01

c)

0.001

111.

why is the metric system used in the scientific community

a)

easy to use

b)

based on units

c)

both 1 and 2

d)

none

112.

what is the numerical value for milli

a)

0.001

b)

0.01

c)

0.1

113.

what factors are never changed during an experiment

a)

control variables

b)

hypothesis

c)

observation

114.

what is a independent variable

a)

the factor that is measured or observed

b)

the factor that is changed or manipulated

115.

what is an educated guess called

a)

observation

b)

hypothesis

c)

the control group

116.

at the end of the experiment, what is the data compared to

a)

control variable

b)

the control group data

c)

independent variable

117.

what is gathered using the five senses

a)

hypothesis

b)

observation

c)

dependent variable

118.

when creating a graph, where is each variable placed

a)

X=independent and Y= dependent

b)

X=dependent and Y=independent

119.

all matter is composed of

a)

medium particles

b)

large particles

c)

small particles

120.

name 3 physical changes that can occur in matter

a)

shape

b)

size

c)

state

d)

all of the above

121.

what is the shape and volume of a solid

a)

fixed shape and fixed volume

b)

no fixed shape and fixed volume

c)

no fixed shape and no fixed volume

122.

name the two types of mixtures

a)

homogenous

b)

heterogeneous

c)

both 1 and 2

d)

none

123.

name the two types of mixtures

a)

homogenous

b)

heterogeneous

c)

both 1 and 2

d)

none

124.

what is the shape and volume of a gas

a)

fixed shape and fixed volume

b)

no fixed shape and fixed volume

c)

no fixed shape and no fixed volume

125.

these particles are in constant

a)

change

b)

motion

c)

station

126.

these particles are in constant

a)

change

b)

motion

c)

station

127.

what is the shape and volume of a liquid

a)

fixed shape and fixed volume

b)

no fixed shape and fixed volume

c)

no fixed shape and no fixed volume

128.

name the two parts of a solution

a)

solute- the substance being dissolved

b)

solvent- the substance in which the solute is dissolved

c)

both 1 and 2

d)

none

129.

what is anything that has mass and volume called

a)

mass

b)

matter

c)

atoms

130.

particles are _______ with each other and their __________

a)

container and colliding

b)

colliding and container

131.

what happens energy during a chemical reaction

a)

energy is given off

b)

transformed into different forms

c)

both 1 and 2

d)

none

132.

what is the kinetic theory

a)

all matter as motion

b)

the body of theory that explains the physical properties of matter in terms of the motions of its constituent particles

c)

nothing is in motion

133.

name 3 chemical changes that occur in matter

a)

burning

b)

rusting

c)

formation of a solid

d)

all of the above

134.

what are some characteristics of a pure substance

a)

contains only a single atom or compound

b)

separated chemically

c)

both 1 and 2

d)

none

135.

what are some characteristics of a mixture

a)

substances that are not joined chemically and retain their own properties

b)

separated physically

c)

both 1 and 2

d)

none

136.

how many electrons are in the first energy level of an atom

a)

18

b)

2

c)

8

137.

where are the noble gases on the periodic table

a)

far lift group

b)

middle group

c)

far right group

138.

how many electrons are in the second energy level in an atom

a)

2

b)

8

c)

18

139.

what are the columns and rows called in the periodic table

a)

columns are periods and rows are groups

b)

columns are groups and rows are periods

140.

how many electrons aer in the third energy level in an atom

a)

2

b)

8

c)

18

141.

how many electrons are in the third energy level in an atom

a)

2

b)

8

c)

18

142.

how many electrons are in the third energy level in an atom

a)

2

b)

8

c)

18

143.

what is the subatomic particle that is positive and where is it located

a)

neutron nucleus

b)

electron nucleus

c)

proton nucleus

144.

how do you find the number of neutrons in an atom

a)

add the atomic number to the atomic mass

b)

subtract the atomic number from the atomic mass

c)

divide the atomic number from the atomic mass

d)

multiply the atomic number to the atomic mass

145.

what is the neutral subatomic particle and where is it located

a)

proton nucleus

b)

electron nucleus

c)

neutron nucleus

146.

what does the atomic # tell you

a)

the number of protons in the nucleus

b)

the number of neutrons in the nucleus

c)

the number of electrons outside of the nucleus

147.

what is the negative subatomic particle and where is it

a)

proton around the outside of the nucleus in energy shells

b)

neutron around the outside of the nucleus in energy shells

c)

electrons around the outside of the nucleus in energy shells

148.

what does the atomic mass tell you

a)

the number of protons and neutrons in the nucleus

b)

the number of neutrons and electrons in the nucleus

c)

the number of protons and electrons in the nucleus

149.

what is the formula for barium bromide

a)

MgS

b)

BaBr2

c)

Fe2O3

150.

what is the formula for barium bromide

a)

MgS

b)

BaBr2

c)

Fe2O3

151.

what does the name diphosphorus tetrasulfide tell you

a)

that it has 2 phosphorus and 3 sulfide atoms

b)

that is has 3 phosphorus and 2 sulfide

152.

what is the formula for iron (III) oxide

a)

BaBr2

b)

Fe2O3

c)

MgS

153.

how are compounds and solutions different

a)

compounds contain only a single compound. solutions are mixtures that are not joined chemically and retain their own properties

b)

compounds are mixtures that are not joined chemically and retain their own properties. solutions contain only a single compound.

154.

what is the formula for magnesium sulfide

a)

BaBr2

b)

Fe2O3

c)

MgS

155.

what is the formula for magnesium sulfide

a)

BaBr2

b)

Fe2O3

c)

MgS

156.

what is the compound for Ag2O

a)

beryllium sulfide

b)

silver (I) oxide

c)

sodium nitride

157.

what type of elements create ionic bonds

a)

nonmetal and nonmetal

b)

metal and nonmetal

c)

metal and metal

158.

what is the compound for BeS

a)

silver (I) oxide

b)

beryllium sulfide

c)

sodium nitride

159.

what is the compound for BeS

a)

silver (I) oxide

b)

beryllium sulfide

c)

sodium nitride

160.

what type of elements create covalent bonds

a)

metal and nonmetal

b)

metal and metal

c)

nonmetal and nonmetal

161.

how many atoms are in Fe2O3 2 iron 3 oxygen

a)

5

b)

10

c)

8

162.

why are some element radioactive

a)

unstable nucleus due to an imbalance of protons and neutrons

b)

stable nucleus due to a balance of protons and neutrons

163.

why are some element radioactive

a)

unstable nucleus due to an imbalance of protons and neutrons

b)

stable nucleus due to a balance of protons and neutrons

164.

how many atoms are in (NH4)2 2 NItrogen 8 hydrogen

a)

5

b)

10

c)

8

165.

waht are the 3 types of radiation that can leave a element

a)

alpha

b)

beta

c)

gamma

d)

all of the above

166.

how many atoms are in Cu2(CaCl)3 2 copper 3 calcium 3 chlorine

a)

5

b)

10

c)

8

167.

how many atoms are in Cu2(CaCl)3 2 copper 3 calcium 3 chlorine

a)

5

b)

10

c)

8

168.

what type of force holds the nucleus together

a)

low force

b)

medium force

c)

strong force

169.

what type of force holds the nucleus together

a)

low force

b)

medium force

c)

strong force

170.

distinguish between the three types of radiation

a)

alpha is a helium atom given off, beta is an electron given off, and gamma is radiation

b)

alpha is radiation, beta is a helium atom given off, and gamma is an electron goven off

c)

alpha is an electron given off, beta is radiation, and gamma is helium atom given off

171.

what substances undergo a change during a chemical reaction

a)

the product

b)

yeild

c)

the reactants

172.

when making soap, if 890g of fat reacts completely with 120g of sodium hydroxide, the products formed are soap and 92g of glycerin. calculate the mass of soap formed to satisfy the law of conservation of mass

a)

600g of soap

b)

918g of soap

c)

500g of soap

173.

what is a solute

a)

the substance being dissolved

b)

the substance in which the solute is dissolved

174.

what law must stay satisfied during a chemical reaction

a)

the law of conservation of volume

b)

the law of conservation of mass

c)

the law of conservation of density

175.

when balancing a chemical reaction, what numbers can never be changed

a)

the coefficient

b)

the subscript

c)

the superscript

176.

how can sugar be dissolved faster

a)

put it in hot water

b)

crush it up before you place it in the solvent

c)

both 1 and 2

d)

none

177.

what type of reaction is occurring when two compounds react to form two new compound

a)

synthesis

b)

single displacement

c)

double displacement

178.

what are the three types of solution

a)

unsaturated

b)

saturated

c)

supersaturated

d)

all of the above

179.

what type of reaction is occurring when substances are combined together to create a larger substance

a)

synthesis

b)

single displacement

c)

double displacement

180.

what is solvent

a)

the substance being dissolved

b)

the substance in which the solute is dissolved

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