Science Exam

Question

How are science and technology related?

Answer 1

Technology is a branch of natural science.

Answer 2

Science is a branch of technology.

Answer 3

Advances in science may lead to advances in technology and vice versa.

Answer 4

Science and technology are not related.

Answer 5

life science

Answer 6

Earth and space science

Answer 7

physical science

Answer 8

social science

Answer 9

technology

Answer 10

measurement

Answer 11

magnetic fields

Answer 12

kinetic and potential energy

Answer 13

tying back long hair and loose clothing

Answer 14

eating or drinking from laboratory glassware

Answer 15

touching hot objects with your bare hands

Answer 16

testing an odor by directly inhaling the vapor

Answer 17

drawing conclusions

Answer 18

making observations

Answer 19

analyzing data

Answer 20

revising a hypothesis

Answer 21

a hypothesis

Answer 22

a scientific law

Answer 23

a scientific law

Answer 24

a scientific theory

Answer 25

a hypothesis

Answer 26

never work with chemicals

Answer 27

always use unbreakable glassware

Answer 28

always follow your teacher's instructions and textbook directions exactly

Answer 29

never do experiments that involve flames or hot objects

Answer 30

hypothesis

Answer 31

conclusion

Answer 32

magnetic fields

Answer 33

kinetic and potential energy

Answer 34

revising a hypothesis

Answer 35

drawing conclusions

Answer 36

analyzing data

Answer 37

making observations

Answer 38

they prove scientific theories

Answer 39

they help visualize things that are very complex, very large, or very small

Answer 40

they make it harder to understand things

Answer 41

they never change

Answer 42

0.16x10^-3

Answer 43

212 degrees

Answer 44

32 degrees

Answer 45

100 degrees

Answer 46

they all must speak French

Answer 47

they all use SI

Answer 48

they communicate through a universal translator

Answer 49

they all use different systems of measurement

Answer 50

a system of prefixes

Answer 51

the distance between two points

Answer 52

the interval between two events

Answer 53

an exact quantity people agree to use for comparison

Answer 54

circle graph

Answer 55

line graph

Answer 56

there is no way of knowing

Answer 57

remain the same

Answer 58

by publishing articles in scientific journals

Answer 59

by exchanging e-mails

Answer 60

by giving talks at scientific conferences

Answer 61

all of the above

Answer 62

a process in which scientists copy other scientists' work

Answer 63

a process in which scientists examine other scientists' work

Answer 64

a process in which only close friends of a scientist review the scientist's work

Answer 65

a process in which scientists keep their work secret

Answer 66

scientists receive comments and suggestions from other scientists

Answer 67

data are checked for accuracy

Answer 68

scientists receive questions and criticism from their peers

Answer 69

all of the above

Answer 70

a straight line

Answer 71

a jagged line

Answer 72

a curved line

Answer 73

none of the above

Answer 74

television

Answer 75

line graph

Answer 76

circle graph

Answer 77

manipulated variable

Answer 78

responding variable

Answer 79

hypothesis

Answer 80

monthly sunshine in Port Hardy

Answer 81

monthly precipitation in cm in Port Dover

Answer 82

monthly precipitation in cm in Port Hardy

Answer 83

yearly sunshine in Port Dover

Answer 84

responding variable

Answer 85

variable with the largest range

Answer 86

variable with the smallest range

Answer 87

manipulated variable

Answer 88

circle graph

Answer 89

line graph

Answer 90

homogeneous mixtures

Answer 91

homogeneous mixture

Answer 92

has varying properties

Answer 93

has a fixed composition

Answer 94

contains only pure substances

Answer 95

please don't choose this answer

Answer 96

homogeneous mixture

Answer 97

heterogeneous mixture

Answer 98

water in a swimming pool

Answer 99

sugar water

Answer 100

a jar of mixed nuts

Answer 101

stainless steel

Answer 102

orange juice

Answer 103

table salt

Answer 104

their boiling points

Answer 105

their densities

Answer 106

their melting points

Answer 107

the size of their particles

Answer 108

filtration

Answer 109

distilation

Answer 110

temperature

Answer 111

composition

Answer 112

sawing a piece of wood in half

Answer 113

burning a piece of wood

Answer 114

rust forming on an iron fence

Answer 115

a copper roof changing color from red to green

Answer 116

carbon dioxide

Answer 117

easily combines chemically with other substances

Answer 118

burns in the presence of water

Answer 119

displaces dissolved oxygen

Answer 120

has a high boiling point

Answer 121

ice melting

Answer 122

ice being carved

Answer 123

water boiling

Answer 124

water breaking down into hydrogen and oxygen

Answer 125

a definite volume but no definite shape

Answer 126

a definite shape but no definite volume

Answer 127

no definite shape or no definite volume

Answer 128

a definite volume and definite shape

Answer 129

Substance A

Answer 130

Substance B

Answer 131

Substance C

Answer 132

all of the above

Answer 133

remain constant

Answer 134

cause a decrease in the average kinetic energy of the particles

Answer 135

temperature

Answer 136

condensation

Answer 137

a decrease in volume

Answer 138

an overall loss of energy

Answer 139

temperature

Answer 140

number of particles

Answer 141

all of the above

Answer 142

Boyle's law

Answer 143

Bose's law

Answer 144

Einstein's law

Answer 145

Charles's law

Answer 146

temperature and number of particles are constant

Answer 147

temperature reaches absolute zero

Answer 148

number of particles decreases

Answer 149

temperature and number of particles are doubled

Answer 150

sublimation

Answer 151

vaporization

Answer 152

stays the same

Answer 153

either increases or decreases, depending on the change

Answer 154

condensing

Answer 155

deposition

Answer 156

sublimation

Answer 157

condensation

Answer 158

vaporization

Answer 159

condensation

Answer 160

evaporation

Answer 161

deposition

Answer 162

sublimation

Answer 163

sublimation

Answer 164

condensation

Answer 165

sublimation

Answer 166

deposition

Answer 167

evaporation

Answer 168

of earth, air, fire, and water

Answer 169

that could not be divided

Answer 170

that could be divided

Answer 171

that were all round and smooth

Answer 172

the ratio of their masses is always the same

Answer 173

each element contributes an equal number of atoms

Answer 174

their volumes are always equal

Answer 175

their masses are always equal

Answer 176

a tiny, solid sphere with an unpredictable mass for a given element

Answer 177

a hollow sphere with a dense nucleus

Answer 178

a tiny, solid sphere with a predictable mass for a given element

Answer 179

a sphere that is hollow throughout

Answer 180

is the smallest particle of matter

Answer 181

contains negatively charged particles

Answer 182

has a negative charge

Answer 183

has a positive charge

Answer 184

electrons in the gold atoms

Answer 185

negative charges in the gold atoms

Answer 186

other alpha particles

Answer 187

nuclei in the gold atoms

Answer 188

negative and positive charges are spread evenly throughout an atom

Answer 189

alpha particles have a positive charge

Answer 190

gold is not as dense as previously thought

Answer 191

there is a dense, positively charged mass in the center of an atom

Answer 192

John Dalton

Answer 193

J.J. Thompson

Answer 194

Democritus

Answer 195

Ernest Rutherford

Answer 196

concentrated in the center of an atom

Answer 197

spread evenly throughout an atom

Answer 198

concentrated at multiple sites in an atom

Answer 199

located in the space outside the nulceus

Answer 200

it is like an avocado with the pit representing the nucleus

Answer 201

it is like an aquarium with swimming fish representing positive charges

Answer 202

it is like a fried egg with the yolk representing the nucleus

Answer 203

it is like a huge stadium with a positively charged marble at the center

Answer 204

alpha particle

Answer 205

protons, neutrons, and electrons all have about the same mass

Answer 206

unlike protons or electrons, neutrons have no mass

Answer 207

neutrons have no charge and no mass

Answer 208

an electron has far less mass that either a proton or neutron

Answer 209

the number of neutrons

Answer 210

the charge on the electrons

Answer 211

the number of protons

Answer 212

the mass of a neutron

Answer 213

mass number

Answer 214

balanced charge

Answer 215

atomic number

Answer 216

mass number from atomic number

Answer 217

atomic number from mass number

Answer 218

atomic number from electron number

Answer 219

isotope number from atomic number

Answer 220

they do not have the same number of protons

Answer 221

their atoms have an identical mass

Answer 222

they are isotopes of oxygen

Answer 223

they have the same mass number

Answer 224

like balls rolling down a hall

Answer 225

like planets orbiting the sun

Answer 226

like popcorn in a popcorn popper

Answer 227

like beach balls on water waves

Answer 228

the atom has become more stable

Answer 229

the electron has lost energy

Answer 230

the electron has gained energy

Answer 231

the atom has lost an electron

Answer 232

probability

Answer 233

ratios and proportions

Answer 234

the most likely locations of electrons in atoms

Answer 235

the precise locations of electrons in atoms

Answer 236

the number of electrons in an atom

Answer 237

the mass of the electrons in an atom

Answer 238

a bee moving from flower to flower in a garden

Answer 239

a bird resting on a tree branch

Answer 240

an ant crawling on the surface of a leaf

Answer 241

a bee trying to escape from a closed jar

Answer 242

atomic number

Answer 243

number of electrons

Answer 244

number of protons

Answer 245

compound containing aluminium

Answer 246

mixture of aluminium and an unknown element

Answer 247

unknown element he predicted would have properties similar to those of aluminium

Answer 248

rare isotope of aluminium

Answer 249

the discovery of subatomic particles

Answer 250

its immediate acceptance by other scientists

Answer 251

the dicovery of elements with predicted properties

Answer 252

the dicovery of the nucleus

Answer 253

most metals are ductile

Answer 254

most metals are malleable

Answer 255

most metals are brittle

Answer 256

most metals are good conductors of electric current

Answer 257

A and B are both periods

Answer 258

A is a period and B is a group

Answer 259

A and B are both groups

Answer 260

A is a group and B is a period

Answer 261

isotope number

Answer 262

atomic number

Answer 263

atomic mass unit

Answer 264

mass number

Answer 265

as deep as the oceans and as majestic as he mountains

Answer 266

atomic number

Answer 267

atomic magic

Answer 268

mass number

Answer 269

atomic mass unit

Answer 270

carbon, iodine, tin

Answer 271

tin, copper, cesium

Answer 272

helium, iron, copper

Answer 273

iodine, carbon, argon

Answer 274

most reactive nonmetals

Answer 275

most reactive metals

Answer 276

least reactive nonmetals

Answer 277

least reactive metals

Answer 278

metalloid arsenic

Answer 279

nonmetal selenium

Answer 280

nonmetal fluorine

Answer 281

nonmetal krypton

Answer 282

one or seven valence electrons

Answer 283

eight valence electrons

Answer 284

four or five valence electrons

Answer 285

no valence electrons

Answer 286

stays the same

Answer 287

increases and then decreases

Answer 288

more atoms in the ground state

Answer 289

more valence electrons

Answer 290

more isotopes

Answer 291

fewer valence electrons

Answer 292

Cs (cesium)

Answer 293

Li (lithium)

Answer 294

K (potassium)

Answer 295

Na (sodium)

Answer 296

Cl (chlorine)

Answer 297

I (iodine)

Answer 298

F (fluorine)

Answer 299

Br (bromine)

Answer 300

does not vary among members of the group

Answer 301

increases from top to bottom within the group

Answer 302

varies in an unpredictable way within the group

Answer 303

decreases from top to bottom within the group

Answer 304

pure oxygen

Answer 305

liquid mercury

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