Science 8th Grade Benchmark (RC1, RC2, RC3

Science Benchmark Review

RC1,RC2,Rc3​

By Mr. Ghazzagh

Multiple Choice

Density =

• Mass / Volume

• Mass X 2

• Volume / Mass

• Mass X Volume

Multiple Choice

Groups :

• Go up and down and tell us # of energy levels (rings)

• Go side to side and tell us # of energy levels (rings)

• Go up and down and tell us # of Valence electrons

• Go side to side and tell us valence electrons

Multiple Choice

The horizontal row on the periodic table is called a

• group
• family
• period
• atomic number

Multiple Choice

Atomic # tells us the identity of the Element as well as:

• Protons and Neutrons

• Protons and Electrons

• Electrons and Neutrons

• Just electrons

Multiple Choice

You can find neutrons by:

• Atomic Mass - Atomic #

• Atomic # = Neutrons

• Atomic Farts

• Atomic Mass = Neutrons

Multiple Choice

How many Elements and Atoms are in H₂O?

• 3 Elements

  3 Atoms

• 2 Elements

  2 Atoms

• 2 Elements

  1 Atom

• 2 Elements

  3 Atoms

Multiple Choice

Which two particles are in the nucleus of an atom?

• Protons

  Electrons

• Protons

  Neutrons

• Electrons

  Neutrons

Multiple Choice

Electrons are :

• Negatively charged particles in the electrons cloud

• Neutral or no charge Particles in the electron cloud

• Negatively charged particles in the nucleus

• Positively charged particles in the nucleus

Multiple Choice

The rule for the number of electrons in the energy rings outside of the nucleus is:

• 2,2,8

• 8,8,8

• 2,8,8

Multiple Choice

Valence Electrons are

• The electrons on the inner most ring

• Electrons on the the outer most ring

• Neutrons in the nucleus

• Total Electrons

Multiple Choice

How many oxygen atoms are in the following compound 2Al₂(CO₃)₃ 

• 1
• 3
• 6
• 18

Multiple Choice

RYP follows LCOM, which tell us the number of atoms :

• is more in the reactant side

• is less in the reactant side

• is the same on the reactant and product side

Multiple Choice

What types of reactions absorb and release heat?

• acidic and basic
• endothermic and exothermic
• endothermic and heat transfusion
• covalent and ionic

Multiple Choice

Which is the name of the kind of solid substance formed in this figure?  

• aqueous 
• precipitate
• acid
• synthesis 

Multiple Choice

Which one of these is proof of a chemical reaction?

• Water turning to ice

• Ice melting

• bubbles forming

Multiple Choice

The law of conservation of mass tells us that matter

• cannot be created or destroyed

• can be created and destroyed

• Can be destroyed

• Can be created

Multiple Choice

Is this balanced or unbalanced?

• Balanced

• Unbalanced

Multiple Choice

What is the net force?

• 3N to the right

• 9N to the right

• 9N to the left

• 3N to the left

Multiple Choice

Force =

• M/A

• A/M

• M X A

Multiple Choice

Newton's 3rd Law

• Inertia

• F=MXA

• For every action there's an equal and opposite reaction.

Multiple Choice

Speed =

• Distance/Time

• Time/Distance

• Distance X Time

Multiple Choice

Which one of these is a velocity?

• 50m west

• 50 m

• 50 m/s

• 50 m/s West

Multiple Choice

Match the graph to the description:

"The car is stopped."

Multiple Choice

Match the graph to the description:

"The car is traveling at a constant speed."

Multiple Choice

For Waxing Moons, light is on the

• right

• left

Multiple Choice

Light on the left is

• Waxing

• Waning

Multiple Choice

Which phase of the moon is represented in the diagram?

• New moon

• Full moon

• First quarter

• Last quarter

Multiple Choice

Is this a waxing or waning moon?

• Waxing

• Waning

• None of the above

Multiple Choice

What phase comes before this one?

• Full moon

• First Quarter

• Third Quarter

• New moon

Multiple Choice

About how long does it take for the moon to go from new moon to full moon?

• 1 day

• 7 days

• 14 days

• 1 month

Multiple Choice

First Quarter

Multiple Choice

A[n] ___________ tide occurs when the sun, Earth, and the moon are inline.

• spring

• high

• low

• neap

Multiple Choice

What is a difference between spring and neap tides?

• Spring tides occur when the earth and sun are IN LINE with the new or full moon. 
• Spring tides occur when moon in 3rd or 1st quarter phases
• Spring tides are LOWER than neap tides
• Spring tides occur in Spring and neap tides can occur in any season

Multiple Choice

What type of tide would this arrangement of earth-moon-sun create?

• full moon tide
• new moon tide
• neap tide
• spring tide

Multiple Choice

What type of tides would this arrangement of earth-moon-sun create?

• neap tide
• spring tide
• new moon tide
• full moon tide

Multiple Choice

This model is showing us a...

• lunar eclipse

• solar eclipse

• phases of the moon

• earth eclipse

Multiple Choice

This image is showing us a.....

• solar eclipse

• lunar eclipse

• phases of the moon

• earth eclipse

Multiple Choice

Which season is taking place in the Northern Hemisphere in Position 1?

• Winter
• Spring
• Summer
• Fall

Multiple Choice

What are the reasons for the season?

• Earth's tilt & rotation
• Earth's tilt & revolution
• Earth's rotation & size
• Earth's tilt & resolution

Multiple Choice

If its ____ in the Northern hemisphere, then its fall in the Southern hemisphere. 

• spring
• summer
• fall
• winter

Multiple Choice

Around June 22nd we have the greatest amount of day time hours. This day is also known as the

• Summer Equinox

• Summer Solstice

• Summer Hemisphere

• Direct Summer

Multiple Choice

What season would we be experiencing with Earth #3?

• Winter

• Spring

• Summer

• Fall

Multiple Choice

After the main sequence, a low mass star becomes a

• black dwarf
• protostar
• red giant
• supergiant

Multiple Choice

After the main sequence, a high mass star becomes a

• black dwarf
• protostar
• red giant
• supergiant

Multiple Choice

The final stage of a low mass star is a 

• neutron star
• nebula
• black hole
• black dwarf

Multiple Choice

A high mass star can end as this stage, which is so dense that not even light can escape!

• black dwarf
• white dwarf
• supernova
• black hole

Multiple Choice

The super red giant ends its life as a massive explosion called

• supernova

• planetary nebula

• constellation

• black dwarf

Multiple Choice

Which of these stars is hottest?

• Red Star
• Yellow Star
• Orange Star
• Blue Star

Multiple Choice

Which star is the coldest?

• Yellow Star
• Red Star
• Orange Star
• Blue Star

Multiple Choice

Compared to the rest of the stars, our sun is considered...

• Extremely Large and Cold
• Small with a medium temperature
• Medium size with medium temperature

Multiple Choice

Which category is our Sun located in?

• White Dwarfs
• Supergiants
• Main Sequence
• Giants

Multiple Choice

The category that contains the most stars is...

• Main Sequence
• Supergiants
• Giants

Multiple Choice

As a whole, Giants are considered hotter than White Dwarfs.

• True
• False

Multiple Choice

The Hertzprung Russell Diagram consists of two axis that are labelled...

• Luminosity and Size
• Luminosity and Temperature
• Luminosity and Age

Multiple Choice

In which direction is Mill River flowing?

• Southeast
• Southwest
• Northeast
• Northwest

Multiple Choice

What is the elevation of Y?

• Between 120-140 meters
• Between 100-120 meters
• Between 140-160 meters
• Between 80-100 meters

Multiple Choice

What is the highest elevation on this map?

• Over 320 meters
• Over 450 meters
• Over 220 meters
• Over 380 meters

Multiple Choice

What feature is formed at B?

• river
• rift valley
• sink hole
• mountain

Multiple Choice

The height above sea level is called

• topographic
• contour
• elevation
• depth

Multiple Choice

What feature is at the arrow?

• volcano
• mountain
• cliff
• river

Multiple Choice

What are the darker lines called?

• roads
• index contour
• contour interval
• waves

Multiple Choice

Match the topographic map to its profile.

Multiple Choice

Shows areas that have the same elevation.

• Contour Interval

• Contour Lines

• Elevation

• Mountains

Multiple Choice

Mountains form from ...

• plates sliding past one another
• collision of plates
• plates moving away from each other

Multiple Choice

During sea floor spreading, molten material rises up from the mantle...

• along the continents
• at the mid ocean ridges
• deep ocean trenches
• at north and south poles

Multiple Choice

Which of the following is where one plate slides under another plate?

• submarine zone
• divergence zone
• subduction zone
• lower zone

Multiple Choice

The area around the pacific plate where boundaries form is called...

• death ring
• fire zone
• ring of fire
• zone of fire

Multiple Choice

Associated with transform boundaries.

• Volcanoes
• mountains
• trenches
• earthquakes

Multiple Choice

This land formation occurs at a divergent continental/ continental boundary.

• mid ocean ridge
• deep ocean trench
• pacific hot spot
• rift valley

Multiple Choice

Name the boundary

• convergent boundary
• divergent boundary
• transform boundary
• sergent boundary

Multiple Choice

A location where two tectonic plates collide is known as a _________ boundary.

• Convergent
• Divergent
• Transform
• Spreading

Multiple Choice

Earth's plates meet at ____________.

• plate tectonics

• plate boundaries

• continental drift

• oceans