Quest ion 1? The Earths rotation takes about A.) 365 days B.) 6 months C.) 24 hoursD.) 1 month L C.) 24 hours F.

Quest ion 1?The Earth’s rotation takes about

A.) 365 days B.) 6 months

C.) 24 hours D.) 1 month

L

C.) 24 hours

F

Quest ion 2?Earth has seasons because

A.) its axis is tilted B.) the distance betweenthe Earth and the sun changes

C.) it rotates on its axisD.) the temperature of The sun changes

L F

A.) its axis is tilted

Quest ion 3?Day and night are caused by the Earth’s

A.) tilt B.) rotation on its axis

C.) revolution around the sun

D.) eclipses

L

B.) rotation on its axis

F

Quest ion 4?One complete revolution of Earth

around the sun takes about

A.) one year B.) one rotation

C.) one season D.) one eclipse

L

A.) one year

F

Quest ion 5?Conservation of mass states that

A.) mass canappear and disappear magically B.) The amount of atoms change

C.) The amount of matterIn a chemical rxn doesn’t change

D.) None of the above

L

C.) The amount of matterIn a chemical rxn doesn’t change

F

Quest ion 6? pH is …

A.) for acids only B.) a scale that measures whether something is acidic or basic

C.) a scale of 14-28 D.) for bases only

L

B.) a scale that measures whether something is acidic or basic

F

Quest ion 7?The moon has no atmosphere because

of its relatively weak

A.) color B.) size

C.) craters D.) gravity

L

D.) gravity

F

Quest ion 8?Which of these describes the shape

of the Milky Way galaxy?

A.) barred B.) spiral

C.) irregular D.) elliptical

L

B.) spiral

F

Quest ion 9? Covalent Bonds are when atoms

A.) lose electrons B.) gain electrons

C.) share electrons D.) form double bonds

L

C.) share electrons

F

A.) lose electrons B.) gain electrons

Quest ion 10?Which color star indicates the hottest

surface temperature

A.) yellow B.) red

C.) white D.) blue

L

D.) blue

F

Quest ion 11?A solar eclipse can only occur

during the _____ phase

A.) full moon B.) crescent moon

C.) quarter moon D.) new moon

L

D.) new moon

F

Quest ion 12?The phase of the moon you see depends on

A.) how much of the moon’s surface is lit by the sun

B.) how much of the sunlitside of the moon faces Earth

C.) whether or not there is an eclipse

D.) where you are on the Earth

L

B.) how much of the sunlitside of the moon faces Earth

F

Quest ion 13? Atoms with fewer than four electrons will

A.) gain electrons B.) form covalent bonds

C.) be very stable D.) lose electrons

L

D.) lose electrons

F

Quest ion 14?Which of the following is the term used

to name a cluster of stars, nebulae, gases,dust, and planets?

A.) solar system B.) constellation

C.) galaxy D.) Oort cloud

L

C.) galaxy

F

Balance this equation and state what type of reaction it is

C3H8 + 02 CO2 + H20

A.) C3H8 + 02 CO2 + H20 B.) C3H8 + 02 CO2 + H20

C.) C3H8 + 02 CO2 + H20 D.) C3H8 + 02 CO2 + H20

L

A.) C3H8 + 502 3CO2 + 4H20Double replacement

F

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