Quiz about Staar Review Science Vocabulary

Question 1

An atom with atomic number 6 would have how many protons?

Accepted Answer

6

Answer

12

Answer

3

Answer

cannot be determined

Question 2

Particles in an atom that are neutral and have no charge are -

Accepted Answer

neutrons

Answer

negatrons

Answer

electrons

Answer

protons

Question 3

If an atom has 10 protons, 10 neutrons, and 10 electrons, what is the mass of the atom?

Accepted Answer

20

Answer

10

Answer

30

Question 4

If the mass number of this chlorine atom is 36, how many neutrons does it have?

Accepted Answer

19

Answer

17

Answer

18

Answer

can't be determined

Question 5

What is the mass number of the atom shown in the Bohr model?

Accepted Answer

23

Answer

11

Answer

12

Answer

Can't be determined

Question 6

The vertical (up and down) columns in the Periodic Table are called

Accepted Answer

groups

Answer

towers

Answer

periods

Answer

atomic numbers

Question 7

The horizontal (side to side) rows in the Periodic Table are called

Accepted Answer

periods

Answer

groups

Answer

families

Answer

atomic numbers

Question 8

The substances listed on the right side of a chemical equation are the

Accepted Answer

Products

Answer

Yields

Answer

Reactants

Answer

Precipitates

Question 9

How many Oxygen (O) atoms are in 2C₂HO₈C_l2

Accepted Answer

16

Answer

2

Answer

8

Answer

5

Question 10

How many atoms of Carbon are in the following formula? 3C₂H₆

Accepted Answer

6

Answer

3

Answer

12

Answer

18

Question 11

What is the net force?

Accepted Answer

4000 N left

Answer

5000 N right

Answer

4000 N right

Answer

40 N left

Question 12

When something has speed in a certain direction it is called ___________.

Accepted Answer

velocity

Answer

motion

Answer

position

Answer

speed

Question 13

Acceleration of an object happens when things ________

Accepted Answer

All of the above

Answer

slow down

Answer

go faster

Answer

change direction (turn)

Question 14

A 20 kg bike accelerates at 10 m/s². How much force was used to accelerate the bike?

Accepted Answer

200 Newtons

Answer

25 Newtons

Answer

20 Newtons

Answer

10 Newtons

Question 15

At position A, which hemisphere would have summer?

Accepted Answer

Northern hemisphere

Answer

Southern hemisphere

Answer

Neither hemisphere

Question 16

What does the tilt of the earth cause?

Accepted Answer

Seasons

Answer

Day and Night

Answer

Atmosphere

Answer

Years

Question 17

What type of moon is this?

Accepted Answer

Waning crescent

Answer

Waning gibbous

Answer

Waxing gibbous

Answer

Waxing crescent

Question 18

Earth's ________ on its axis causes day and night.

Accepted Answer

rotation

Answer

revolution

Answer

tilt

Answer

comet

Question 19

A rift valley occurs at a ____________ boundary.

Accepted Answer

divergent

Answer

convergent

Answer

transform

Answer

horizontal

Question 20

What type of boundary occurs when two plates slide past each other?

Accepted Answer

transform

Answer

divergent

Answer

lateral

Answer

convergent

Question 21

What is the contour interval on this topographic map?

Accepted Answer

20 m

Answer

5 m

Answer

10 m

Answer

15 m

Question 22

What do contour lines that are farther apart represent?

Accepted Answer

gentle slope

Answer

waterfall

Answer

steep area

Answer

river

Question 23

An organism that can make its own food is a -

Accepted Answer

producer

Answer

decomposer

Answer

consumer

Question 24

Small consumers that are hunted and eaten by larger consumers are called -

Accepted Answer

prey

Answer

producers

Answer

predators

Question 25

NON-living things found in an ecosystem

Accepted Answer

abiotc

Answer

biotic

Answer

habitat

Question 26

Explain the flow of energy in this food chain (who passes energy to who).

Accepted Answer

The grass gives energy to the grasshopper. The grasshopper gives energy to the mouse. The mouse gives energy to the snake who gives energy to the hawk.

Answer

The hawk gives energy to the snake. The snake gives energy to the mouse. The mouse gives energy to the grasshopper who gives energy to the grass.

Answer

The mouse gives energy to the hawk. The snake gives energy to the grasshopper. The grass gives energy to the snake.

Question 27

How many aluminum atoms are in Al₂(SO₄)₃?

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 28

How many total atoms are in the neurotransmitter serotonin? The formula for serotonin is C₁₀H₁₂N₂O

Accepted Answer

25

Answer

10

Answer

20

Answer

23

Question 29

What is Natural Selection?

Accepted Answer

The process were organisms better adapted to their environment tend to survive and produce more offspring.

Answer

The process were only plants better adapted to their environment tend to survive and produce more offspring.

Answer

The process were only humans better adapted to their environment tend to survive and produce more offspring.

Answer

The process were individuals better adapted to their environment tend to survive and produce more offspring.

Question 30

A teacher rubbed a match against a piece of sandpaper. The match started to burn. Which statement best describes the energy changes that occurred?

Accepted Answer

The chemical energy stored in the match changed to thermal energy and light energy.

Answer

The thermal energy stored in the match changed to light energy and chemical energy.

Answer

The light energy and thermal energy stored in the match changed to mechanical energy.

Answer

The light energy and thermal energy stored in the match changed to chemical energy.

Question 31

The universe has many different components. Which list places four components of the universe in the most likely order from smallest to largest?

Accepted Answer

Planets, stars, nebulae, galaxies

Answer

Planets, stars, galaxies, nebulae

Answer

Nebulae, stars, planets, galaxies

Answer

Galaxies, stars, planets, nebulae

Question 32

Use this model of the Hertzsprung-Russell diagram to answer question.
An astronomer discovers a new star that is very hot, but not very bright. What type of star did she discover?

Accepted Answer

a white dwarf

Answer

a red giant

Answer

a young star on the main sequence

Answer

an old star on the main sequence

Question 33

Capt. Sanchez announces to the passengers on his airplane they are traveling at 300 mph 950 eastbound. He is describing the ___________________ of the airplane.

Accepted Answer

velocity

Answer

speed

Answer

direction

Answer

acceleration

Question 34

The polar bear depends on sea ice in order to hunt for seals. If arctic temperatures increase, what is the long- term outlook for polar bears?

Accepted Answer

polar bear population will gradually decrease

Answer

polar bear population will gradually increase

Answer

polar bear population will remain unchanged

Answer

polar bears will adapt quickly to new food sources

Question 35

Felipe is observing how acetic acid (vinegar) and sodium bicarbonate (baking soda) react with one another in a volcano model. What evidence can Felipe look for to indicate a chemical reaction has taken place?

Accepted Answer

Gas bubbles are produced.

Answer

The volume of the acetic acid increases.

Answer

The density of the baking soda decreases.

Answer

The baking soda is dissolved.

Question 36

Some elements have properties of metals and nonmetals, which make them useful in electronic devices. Where can these elements be found?

Accepted Answer

section C

Answer

section A

Answer

section B

Answer

section D

Question 37

When comparing two elements on the periodic table, elements in the same ___________ are most likely to have similar chemical and physical properties.

Accepted Answer

group

Answer

period

Answer

area

Answer

section

Question 38

Which list of characteristics best describe the properties of neon, argon, and krypton?

Accepted Answer

Gaseous at room temperature and chemically stable

Answer

Conducts heat and electricity, shiny, and solid

Answer

Brittle metalloids, reactive with oxygen, and melt at low temperatures

Answer

Magnetic, highly reactive, and flammable

Question 39

If you were located at Point X, which path would be the steepest path to the shoreline?

Accepted Answer

Path D

Answer

Path A

Answer

Path B

Answer

Path C

Question 40

Which group on the periodic table is most reactive?

Accepted Answer

Group 1

Answer

Group 3

Answer

Group 18

Answer

Group 12

Question 41

A student walks for 2.0 hours and travels 5.0 km. What is the average speed of the student?

Accepted Answer

2.5 km/hr

Answer

2.0 km/hr

Answer

10 km/hr

Answer

0.4 km/hr

Question 42

If additional snakes are introduced into this ecosystem, there will most likely be an immediate decrease in the _________.

Accepted Answer

rabbit population

Answer

hawk population

Answer

wildflower population

Answer

grass population

Question 43

Question 43.

Accepted Answer

The two airplanes have the same kinetic energy but different gravitational potential energies.

Answer

Airplane W has a greater kinetic energy than Airplane X.

Answer

The two airplanes have the same gravitational potential energy but different kinetic energies.

Answer

Airplane X has more gravitational potential energy than Airplane W.

Question 44

All living things require oxygen to survive. Where on the periodic table above would you find gases like oxygen?

Accepted Answer

section D

Answer

section A

Answer

section B

Answer

section C

Question 45

When comparing two elements on the periodic table, elements in the same ___________ are most likely to have similar chemical and physical properties.

Accepted Answer

group

Answer

period

Answer

area

Answer

section

Question 46

Below is a picture of sea-floor spreading. How are the ocean crusts moving?

Accepted Answer

Diverging

Answer

Converging

Answer

Sliding

Answer

No movement

Question 47

Which statements best describe the charges on the particles in this model?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 48

Which element has reactivity that is similar to Chlorine, Cl ?

Accepted Answer

Fluorine, F

Accepted Answer

Iodine, I

Answer

Sulfur, S

Answer

Argon, Ar

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