8th Grade Science Review

8th Grade Science Review

By Benjamin Skinner

Multiple Choice

Something that takes up space and has mass.

• volume
• matter
• mass
• density

Multiple Choice

Which among the following is a NON MATTER?

• Mars

• Smoke

• Steam

• none of the choices

Multiple Choice

Which type of force(s) will cause a change in an object's motion?

• gravity
• zero net force
• balanced forces
• unbalanced forces

Multiple Choice

You buy an extra large coke at QT and forget to put the lid on. A car pulls out in front of you and your mom yells, “Look out!” You hold your cup still so it won't spill. However, the coke still spills out. Which term explains this situation?

• gravity

• inertia

• density

• friction

Multiple Choice

The Ability to do work

• Soil 
• Energy 
• Matter
• Math

Multiple Choice

Which of the following correctly identifies a method of heat transfer that will happen in this situation?

• Heat will be transferred from the hot plate to the thermometer through radiation.

• Heat will be transferred from the beaker to the thermometer through convection.

• Heat will be transferred from the hot plate to the beaker through convection.

• Heat will be transferred from the thermometer to the beaker through conduction.

Multiple Choice

Which of these provides the best explanation for why the pencil appears broken?

• The pencil absorbs the light rays that hit it.

• Water reflects light rays away from the pencil.

• Light rays are bent by the water in the glass.

• The surface of the water reflects the light rays.

Multiple Choice

What medium do light waves pass through?

• Solids

• Fluids

• Vacuum

• All the above

Multiple Choice

Current is...

• moving protons
• moving electrons
• measured in volts
• measured in ohms

Multiple Choice

Which is not a simple machine?

• Pulley

• Screw

• Wedge

• Spring

Multiple Choice

The amount of space something takes up

• density
• volume
• mass
• matter

Multiple Choice

What type of simple machine is found on the cap of a jar?

• Screw

• Pulley

• Lever

• Inclined Plane

Multiple Choice

Resistance is...

• What "slows down" electrons
• What "speeds up" electrons
• Moving electrons
• What "pushes" electrons

Multiple Choice

What type of simple machine would you find on the bottom of a car?

• Inclined Plane

• Pulley

• Wheel and Axle

• Wedge

Multiple Choice

What determines what color of light your eyes perceive?

• The frequency of the wave

• The amplitude of the wave

• The intensity of the wave

• The type of wave it is

Multiple Choice

Which is an example of someone using a simple machine to do work?

• A boy runs across the field

• A girl eats her sandwich

• A banker counts money

• A man pushes his trolley up the ramp

Multiple Choice

Voltage is simply defined as...

• what 'pushes' electrons
• what 'stops' electrons
• moving electrons

Multiple Choice

What is NOT an example of an incline plane?

• Wall

• Ladder

• Stairs

• Driveway

Multiple Choice

Caleb is sitting near the window on a sunny day. When he closes the curtain, the room becomes darker. What property of the curtain allows it to make the room darker?

• The curtain absorbs light.

• The curtain is brightly colored.

• The curtain folds easily.

• The curtain is rectangular shape.

Multiple Choice

Which of these is an example of a wedge?

• Knife

• Stairs

• Skateboard

• Broom

Multiple Choice

What characteristics impact resistance of a material?

• Thickness 
• Temperature
• Length
• All of these

Multiple Choice

What simple machine has a fulcrum and can be used to lift a weight?

• Pulley

• Lever

• Wedge

• Incline

Multiple Choice

Isaac Newton found that sunlight is a mix of different wavelengths Which evidence supports this?

• light is white.

• light is found all over the universe

• light separates into colors in a prism

• light can travel very rapidly through space

Multiple Choice

A push or pull that can move an object is a...

• Fulcrum

• Machine

• Lever

• Force

Multiple Choice

An object through which electrons can easily flow is called a(n) ___________.

• Conductor
• Insulator

Multiple Choice

What type of simple machine are these people using to move the wheel chair into the school bus?

• Lever

• Inclined plane

• Pulley

• Wedge

Multiple Choice

Radiation is a method of thermal energy transfer. It refers to the transfer of heat energy that moves–

• through empty space.

• when objects touch.

• only through solids.

• in the motion of fluids.

Multiple Choice

How can the lever be balanced?

• Add weight to the right side

• Move fulcrum right

• Add weight to the left side

• Move the heavier weight back

Multiple Choice

current is measured in....

• volts
• amps
• watts
• mph

Multiple Choice

2 men did an experiment timing how long it took light to travel from one lighthouse to another. The experiment failed, why?

• Light cannot be measured as it travels in Earth’s atmosphere

• Light travels too fast for a clock to measure in a short distance

• A clock will slow down when traveling at the speed of light.

• A clock cannot be used unless Earth’s rotation is included in the calculations

Multiple Choice

In the U.S most electrical outlets supply a voltage of....

• 240 Volts
• 120 Volts
• 100 watts
• 60 amps

Multiple Choice

Light travels in straight lines until reflected by another object. Which illustration best shows the light being reflected?

Multiple Choice

If the voltage stays the same, but the resistance goes up, the current will....

• increase (speed up)
• decrease (slow down)
• stay the same

Multiple Choice

A wave is traveling in one medium. Then it begins traveling through another medium and changes direction. What happened?

• The wave was absorbed

• The wave was transmitted

• The wave was refracted

• The wave was reflected

Multiple Choice

To have a complete electric circuit, the path must be _____

• small
• closed
• big
• open

Multiple Choice

Energy of moving particles of atoms that make up all  matter. 

• Thermal Energy 
• Chemical Energy 
• Electrical Energy 
• Electromagnetic Energy 

Multiple Choice

Within a circuit, the number of electrons flowing from a power source is _____ the number of _____ returning to the source

• much less than, paths
• the same as, electrons
• much less than, electrons
• the same as, paths

Multiple Choice

Which of the following waves has the highest frequency?

• Radio Waves

• Red Light Waves

• Blue Light Waves

• Infrared Light Wave

Multiple Choice

An electric current flows _____ unless it is disrupted in some way

• continuously
• in spurts
• unevenly
• drop by drop

Multiple Choice

Which of the following is the best example of an object transmitting light?

• A black sweater in the sun.

• A clean window in the sun.

• A curved mirror in the sun.

• A long shadow in the sun.

Multiple Choice

The symbol for 1 _____ is A

• acceleration
• current
• ampere
• coulomb

Multiple Choice

Which wave has the most energy?

• Wave 1

• Wave 2

• Wave 3

• Wave 4

Multiple Choice

An electric current is made up of _____ charged electrons

• neutral
• negative
• positive
• balanced

Multiple Choice

Conduction can only occur between two objects when–

• one object is less dense than the other.

• both objects are in physical contact with each other.

• one of the objects is made of a metal.

• both objects are exactly the same temperature.

Multiple Choice

As current flows through a wire, the number of _____ stays the same

• circuits
• particles
• current
• electrons

Multiple Choice

Which of these waves would be the dimmest?

• Wave 1

• Wave 2

• Wave 3

• Wave 4

Multiple Choice

______________ are materials such as rubber that do not allow charges to flow.

• conductors
• circuits
• insulators
• amps

Multiple Choice

Which object refracted the laser beam?

• Silver locket

• Picture frame

• Glass marble

• Notebook

Multiple Choice

A complete, unbroken path that charges can flow through is called an __________________.

• conductor
• electric circuit
• electric current
• insulator

Multiple Choice

What makes the sky blue?

• Light refracting off the atmosphere

• Light reflecting the color of the oceans

• The atmosphere absorbed all the colors but blue

• The atmosphere transmits the blue light

Multiple Choice

The unit for the rate of current is the ______________.

• ampere
• volt
• ohm
• joule

Multiple Choice

A train was going down the track and a curve was approaching. The conductor went to apply the brake but they did not work. What can account for the train eventually slowing down even though there were no brakes?

• The opposing force of friction stopped the train.

• The train ran out of momentum

• The natural state of the train is not to be in motion.

• The force of gravity slowed the train until it stopped.

Multiple Choice

Metals such as copper and aluminum are good ______________. 

• insulators
• conductors
• circuits
• charges

Multiple Choice

What is not an advantage of Digital signals over Analog signals

• It is more simple

• It contains more complex information

• It is easy to copy

• It is used by most modern technology

Multiple Choice

Which of the following does not determine the resistance of a wire?

• temperature
• color
• length
• diameter

Multiple Choice

Which of the following is demonstrated when light bounces off of mirrors or shiny surfaces?

• Scattering

• Refraction

• Absorption

• Reflection

Multiple Choice

Which of the following is an example of an analog signal being stored?

• DVD

• CD

• MP3 player

• Record

Multiple Choice

Which of the following is an example of a situation in which an egg is receiving thermal energy through convection?

• Which of the following is an example of a situation in which an egg is receiving thermal energy through convection?

• An egg is fried in a metal pan on the stove.

• An egg cracked on a hot sidewalk starts to cook.

• The egg is cooked in a pot of water on the stove.

Multiple Choice

Which of these waves represents an analog wave?

• A

• B

Multiple Choice

How does light travel

• It curves around corners
• Really slow
• In a straight line
• In circles

Multiple Choice

Which image shows transmission?

• A

• B

• C

• D

Multiple Choice

Energy stored in atomic bonds that form molecules

• Thermal Energy
  
• Chemical Energy
  
• Electrical Energy
  
• Electromagnetic Energy
  

Multiple Choice

What signal type does a film camera use?

• Smoke signals

• Analog signals

• Digital signals

• Film signals

Multiple Choice

A concave lens has an inward curved shape. It refracts light outward from the lens. They light rays spread apart as they exit the lens. Which represents a concave lens and what type of image appear through a concave lens?

• Image A / small, upright image

• Image B / small, upright image

• Image A / small, inverted image

• Image B / small, inverted image

Multiple Choice

Identify B

• Wavelength

• Crest

• Amplitude

• Trough

Multiple Choice

A student is melting a sugar cube over a flame, as shown in the picture provided. What energy transfer is causing the sugar cube to melt?

• Candle to spoon – conduction

  Spoon to sugar cube – conduction

• Candle to spoon – radiation

  Spoon to sugar cube – conduction

• Candle to spoon – conduction

  Spoon to sugar cube – convection

• Candle to spoon – convection

  Spoon to sugar cube – conduction

Multiple Choice

If you increase the energy put into a wave how will the change the wave?

• Change the crest

• Change the trough

• Change the type of wave

• Change the frequency

Multiple Choice

Law of reflection state that - The angle of incidence is .................. to the angle of reflection.

• equal
• double
• half

Multiple Choice

What wave has particles that move perpendicularly to the direction of the wave?

• Transverse waves

• Longitudinal waves

• Sound waves

• Light waves

Multiple Choice

What is the name for a push or pull?

• A movement
• A force
• Speed
• Density

Multiple Choice

Energy from visible light travels in...

• Transverse waves

• Longitudinal waves

Multiple Choice

Thermal energy is transferred when two objects of different temperatures touch.

• Conductors

• Conduction

• Radiation

• Convection

Multiple Choice

Energy of electric charges moving through conductors

• Electrical Energy
  
• Electromagnetic Energy
  
• Thermal Energy
  
• Chemical Energy
  

Multiple Choice

Objects that can transfer energy easily.

• Conductors

• Conduction

• Convection

• Insulators

Multiple Choice

What is the acceleration difference between car 1 and car 2?

• Car 1 starts & stops and Car 2 stays constant

• Car 1 changes velocity and Car 2 increases and decreases its speed

• Car 1 stays constant and Car 2 changes its speed during the trip

• Car 2 stays constant and Car 1 changes its speed during the trip

Multiple Choice

Thermal energy is transferred through space.

• Conduction

• Radiation

• Convection

• Temperature

Multiple Choice

Energy that travels in waves( ex. microwaves, radio waves, energy from the sun)

• Chemical Energy
  
• Electrical Energy
  
• Electromagnetic Energy
  
• Thermal Energy
  

Multiple Choice

Transfer of energy through circular motion caused by heating and cooling in fluids (liquids and gases).

• Conduction

• Convection

• Radiation

• Conductors

Multiple Choice

How many N (Newton/s) does a 1000 kg really weighs?

• 980 N

• 9800 N

• 102 N

• 0.0098 N

Multiple Choice

Feeling warmth on your hands when you hold them near a campfire is an example of ____________________________.

• radiation

• conduction

• convection

• conductors

Multiple Choice

One form of energy changes to another

• Energy Transformation
  
• Energy Transfer

Multiple Choice

Thermal energy being moved from one object to another by conduction, convection, or radiation is called _____________________.

• fluids

• heat transfer

• collision of atoms

• radiation

Multiple Choice

Two PE classes are playing tug of war in gym class today. Which factor is most important in determining who will win excluding the number of players on each team?

• The length of the rope

• The temperature outside

• The surface of the floor

• The total mass of the team

Multiple Choice

When ice cubes melt in a glass of water, a current forms in which heat moves from particles with more heat to particles with __________________ heat.

• more

• equal

• less

Multiple Choice

Energy stored in the nucleus of an atom, released when protons or neutrons are added to or removed from the nucleus 

• Chemical Energy 
• Electrical Energy 
• Mechanical Energy 
• Nuclear Energy 

Multiple Choice

friction is a force that acts 

• in the same direction as the motion
• opposite to the direction of the motion
• opposite to the applied forces
• the same direction as the applied force

Multiple Choice

Energy derived from sources that are continually replenished(* wind, solar, biomass, geothermal, hydropower)

• Nonrenewable Energy 
• Renewable Energy 
• Energy Transformation 
• Electromagnetic Energy 

Multiple Choice

Which baseball would have more acceleration with the same amount of force?

• Both baseballs would have the same acceleration

• The larger ball would have a faster acceleration.

• The larger ball would have a slower acceleration.

• Neither ball would have any acceleration.

Multiple Choice

Resources consumed by humans much faster than nature can produce(ex: oil, natural gas) 

• Nonrenewable Energy 
• Renewable Energy 
• Energy Transformation 
• Electromagnetic Energy 

Multiple Choice

What are the three states of matter?

• solid, volume, mass
• density, volume, mass
• solid, liquid, gas
• density, gas, volume

Multiple Choice

Nonrenewable energy source formed from remains of living organisms, , which cause pollution ( coal, natural gas, petroleum) 

• Fossil Fuel 
• Rocket fuel 
• Renewable Energy 
• Sugar

Multiple Choice

What happened between the 12th and 14th hour of the trip?

• The car turned around to go home but their speed remained constant.

• The car slowed down and sped back up

• The car travelled at a constant velocity

• The car was not moving since there was no change in position

Multiple Choice

Fossil fuel made of mostly carbonized plant matter. 

• Petroleum 
• Solar Energy 
• Natural Gas
• Coal 

Multiple Choice

Which one needs a greater net force to move, a kilogram of feathers or a kilogram of iron? 

• feathers 
• iron
• same
• depends on their friction

Multiple Choice

Fossil fuel consisting of methane that occurs naturally underground

• Coal 
• Natural Gas
• Nuclear 
• Petroleum 

Multiple Choice

What must be true of the box's motion?

• It is accelerating to the left

• It is slowing down

• It is moving to the right

• It isn't accelerating.

Multiple Choice

Fossil fuel used to produce gasoline and oil 

• Coal 
• Natural Gas 
• Petroleum 
• Solar Energy 

Multiple Choice

What makes mass and weight different?

• Mass is the amount of matter meanwhile weight is expressed in kg, lbs. and g.

• Mass and weight are expressed in g, kg and lbs.

• Mass is the amount of matter meanwhile weight is the force of gravity on an object's mass.

• none of the choices

Multiple Choice

Energy harnessed from the sun ( radiant light and heat)

• Wind Energy 
• Hydropower
• Solar Energy 
• Nuclear Energy

Multiple Choice

With no forces acted upon it, an object at rest will stay at rest and an object in motion will stay in motion

• Newton's 1st Law of Motion

• Newton's 2nd Law of Motion

• Newton's 3rd Law of Motion

Multiple Choice

The upper layer of earth in which plants grow; provides a mixture of nutrients as well a habitat

• Coal 
• Natural Gas
• Soil 
• Petroleum

Multiple Choice

You push on a tree with 20 N of force. If the tree doesn't move, the tree is pushing back on you with _____of force.

• 20N 
• 40N 
• 10N 
• 70N

Multiple Choice

The act of preserving or maintaining the planet and its resources.

• Conservation 
• Respiration 
• Photosynthesis 
• Wasting Energy 

Multiple Choice

The acceleration of an object depends on the net force and acting on it and the mass of the object. F = ma

• Newton's 1st Law of Motion

• Newton's 2nd Law of Motion

• Newton's 3rd Law of Motion

Multiple Choice

The process by which carbon dioxide and water are converted into glucose(sugar) by plants, algae, and certain bacteria; uses sunlight energy to produce nutrients

• Respiration 
• Conservation 
• Photosynthesis 

Multiple Choice

__________ are the building blocks of life.

• solids
• gases
• atoms
• nutrients

Multiple Choice

The process by which glucose is converted to cellular energy, often with the use of oxygen

• Respiration 
• Photosynthesis
• Conservation 

Multiple Choice

For every action there is a reaction.

• Newton's 1st Law of Motion

• Newton's 2nd Law of Motion

• Newton's 3rd Law of Motion

Multiple Choice

What Unit do we Measure Force in? 

• Newtons
• Joules
• Force
• Don't know

Multiple Choice

What type of force will it take to stop an object in motion?

• Balanced

• Magnetic

• Gravitational

• Unbalanced

Multiple Select

Which of the following is being used to identify if a certain object is a matter or NOT?

• Weight

• Density

• Volume

• Mass

Multiple Choice

Eli and Lacy each have soccer balls with the same mass. They both roll them as hard as they can and then measure the speed of each ball. Lacy rolls her ball exactly half as fast as Eli. What can you assume about the motion of the two balls?

• Lacy's ball rolls twice as fast as Eli's ball.

• Eli's ball rolls twice as fast as Lacy's ball.

• Both balls roll the same speed.

• Without knowing the mass we don't know the force.

Multiple Choice

Which has more Inertia? (so need more force to move) 

• Truck
• Ant
• A cat
• A skateboard

Multiple Choice

How do these speed- time graphs compare?

• The blue graph accelerates at a constant speed while the red graph is stopped.

• The red graph is traveling at a constant speed while the green graph is stopped.

• The blue graph is accelerating at a gradual and steady speed while the green graph is stopped.

• The green graph is traveling at a constant speed while the red graph is gradually accelerating and then eventually stops

Multiple Choice

Gasoline is a ________________.

• liquid
• solid
• gas

Multiple Choice

How many total seconds does Bailey stop on her walk to QT?

• 5 second

• 10 second

• 15 seconds

• 20 seconds

Multiple Choice

In a tug of war the left team pulls with a force of 200N. The right team pulls with a force of 150N.What is the net force?

• 50N to the left.
• 350N to the left.
• 350N to the right.
• 50N to the right.

Multiple Choice

It is time for the annual pumpkin throwing contest. Which size pumpkin would go the farthest if each pumpkin were thrown with the same force?

• 18 pounds

• 10 pounds

• 12 pounds

• 6 pounds

Multiple Choice

Neil weighs 750 N on Earth. On Mars, the force of gravity is 38% of that on Earth. How much would Neil weigh on Mars?

• 285 N

• 285 kg

• 7 350 N

• 7 350 kg

Multiple Choice

Noah is pushing a wheelbarrow uphill. How can he make the wheelbarrow go faster?

• He can take the wheels off the wheelbarrow

• He can add weight to the load of the wheelbarrow

• He can increase the force of his push.

• He can decrease the force of his push

Multiple Choice

A balanced force has 

• no net force
• some net force
• a wee bit of net force
• a lot of net force

Multiple Choice

Why do these racecar drivers need to slow down when they approach a curve on the track?

• The speed around a turn is proportional to the radius of curvature of the turn.

• A body in motion stays in motion at the same speed

• The speed of the car going into the turn must be conserved

• A body in motion tends to continue in a straight line and requires a force to turn.

Multiple Choice

Sand is a ___________________.

• liquid
• solid
• gas

Multiple Choice

On Friday, Logan and Katie met at Roper Park. They jogged along the path side by side at the same speed to keep warm and make plans for Black Friday shopping. What must have been true about their jog?

• They had different speeds but the same velocity

• They had the same velocity but different speeds

• The had different speeds and velocity

• The had the same speeds and velocity

Multiple Choice

Any change in an objects speed or direction

• Inertia
• Force
• Acceleration
• Reaction

Multiple Choice

Daniella was playing tennis. She hit the ball with her racket and it went left and out of bounds, not straight towards her opponent. What does Newton’s First Law of Motion say about the travel of an object?

• Inertia accelerates due to the unbalanced forces present.

• An object at rest will move when external force is applied.

• Every action has an equal and opposite reaction.

• It will travel in a straight path unless changed by an external force.

Multiple Choice

The ratio of gravitational force on Earth is 1:6. James has a mass of 84 kg on Earth. What is his mass on the moon?

• 84 kg

• 4 939 N

• 4 939 kg

• 16 N

Multiple Choice

What can you tell about the pitch of Ball #1?

• Least Force and Slowest Speed

• Most Force and Fastest Speed

• Most Force and Slowest Speed

• Least Force and Fastest Speed

Multiple Choice

The sum of all forces acting on an object.

• Contact Force
• Balanced Force
• Unbalanced Force
• Net Force

Multiple Choice

Helium is a ____________.

• liquid
• solid
• gas

Multiple Choice

Balanced or Unbalanced?

• Balanced 
• Unbalanced

Multiple Choice

Vaporization/ evaporation is the change of physical state from _______ to _______.

• gas to liquid

• liquid to gas

• solid to gas

• gas to solid

Multiple Choice

a force that opposes motion between any surfaces that are touching

• velocity
• friction
• inertia
• position

Multiple Choice

I am the smallest whole particle of matter. 

• atom
• compound
• molecule
• mixture

Multiple Choice

the tendency of an object to resist a change in its motion

• acceleration
• inertia
• mass
• frame of reference

Multiple Choice

Dry ice on the kitchen counter has disappeared without a trace. Dry ice skips the liquid phase. It never "melts" instead turns directly into a gas. This is an example of what change of physical state?

• Sublimation

• Melting

• Condensation

• Deposition

Multiple Choice

During which interval is the object speeding up?

• A to B
• B to C
• D to E
• E to F

Multiple Choice

I am two or more atoms chemically bonded.

• atom
• compound
• molecule
• mixture

Multiple Choice

What is this graph showing?

• Constant Speed
• Acceleration (speeding up)
• Deceleration (slowing down)
• No motion

Multiple Choice

If someone sprays perfume in front of the class, why is it that we can smell it even from the back?

• because gas has NO definite shape but takes the container's shape

• because gas has low density

• because gas has NO definite volume

• because gas can diffuse easily

Multiple Choice

What happens when two forces act in the same direction?

• They cancel each other out.
• The stronger one prevails.
• Their strengths are added.
• Their sum divided by the two is the total force.

Multiple Choice

I am 2 or more elements chemically bonded.

• atom
• molecule
• compound
• mixture

Multiple Choice

Which force produces a change in motion?

• unbalanced force
• balanced force
• gravitational force
• frictional force

Multiple Choice

It is formed by heating and ionizing a gas. Occurs only in lightning discharges and artificial devices.

• Bose-Einstein Condensate

• Plasma

• Plsama

• Plamas

Multiple Choice

Why is it harder for the boy in Image B to get down the hill?

• Motion
• Friction
• Work
• Displacement

Multiple Choice

Which 2 kinds of particles make up the nucleus of an atom?

• electrons and neutrons
• electrons and nuclei
• protons and neutrons
• protons and kryptons

Multiple Choice

Jupiter has about 317 times more mass than Earth. What can you infer from this fact? 

• That Jupiter’s gravitational force is much weaker than on Earth’s gravitational force.
• That Jupiter’s gravitational force is much stronger than Earth’s gravitational force.
• That Jupiter’s and Earth’s gravitational forces are equal.
• Mass has no effect on the gravitational force between two objects

Multiple Choice

Which of the following does NOT belong to the group?

• Electrical Conductivity

• Chemical State

• Volatility

• Ductility

Multiple Choice

Which particle carries a negative charge?

• protons
• neutrons
• electrons

Multiple Choice

Which of the following is an example of chemical property?

• Electrolysis

• Corrosive

• Combustibility

• all of the choices

Multiple Choice

A pure substance that cannot be broken down into any other substance by chemical or physical means. There are about 100 of us shown in the Periodic Table

• compound
• mixture
• molecule
• element

Multiple Choice

Why do you feel cool when you sweat?

• because the sweat takes energy from your skin to escape through evaporation

• because sweat releases energy to your skin that cools you down when it escapes through evaporation

• because sweat takes up energy from the surrounding air causing your skin to loose energy

• all of the choices

Multiple Choice

How can you describe this picture?

• liquid
• solid
• gas

Multiple Choice

Why does your drink get cold when you put ice on them?

• because the ice takes up energy from your drink causing them to get colder

• because the ice takes up energy from the surrounding air causing your ice to melt

• because the ice needs energy to melt causing it to release energy to your drink

• none of the choices

Multiple Choice

What is an example of gas?

• crayons
• paper
• soda
• air

Multiple Choice

Which among the following is NOT true about liquid?

• no definite shape

• has definite volume

• slight expansion during heating

• none of the choices

Multiple Choice

Type of matter made of two or more elements...

• element
• mixture
• compound

Multiple Choice

What kind of charge do protons have?

• positive
• negative
• neutral

Multiple Choice

Neutrons have a ________ charge.

• positive
• negative
• neutral