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Which of the following CANNOT overcome an object’s inertia? - PowerPoint PPT Presentation


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Which of the following CANNOT overcome an object’s inertia?. A) an unbalanced force B) a zero net force (balanced force) C) gravity D) friction. Convection currents do NOT take place in _________________. A) liquids B) gases C) solids D) the ocean.

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which of the following cannot overcome an object s inertia

Which of the following CANNOT overcome an object’s inertia?

A) an unbalanced force

B) a zero net force (balanced force)

C) gravity

D) friction

the transfer of heat by collision of atoms in a solid is
The transfer of heat by collision of atoms in a solid is…
  • A) conduction
  • B) convection
  • C) radiation
  • D) Thermal energy
slide4
You and your friends are telling ghost stories around a campfire. What type of heat transfer are you using?
  • A) convection
  • B) conduction
  • C) radiation
  • D) insulation
in a vacuum open space heat transfer occurs by
In a vacuum (open space), heat transfer occurs by
  • A) Conduction
  • B) Convection
  • C) Radiation
  • D) Thermal Energy
slide6
On Earth, cool air circulates to warm regions and warm air circulates to cooler regions. What type of heat transfer does this describe?
  • A) conduction
  • B) Convection
  • C) Radiation
  • D) Fahrenheit
electricity is a type of
Electricity is a type of ______.
  • A) energy
  • B) machine
  • C) matter
  • D) light
slide8
A balloon is rubbed all over with wool. The balloon will now attract the wool because the balloon and the wool…
  • A) are magnets
  • B) have opposite charges
  • C) have like charges
  • D) have neutral charges
two objects move closer together what happens to the gravitational attraction between them
Two objects move closer together, what happens to the gravitational attraction between them?
  • A) it increases
  • B) it decreases
  • C) it doesn’t change
  • D) it becomes zero
what is another name for a battery
What is another name for a battery?
  • A) Electrode
  • B) Energizer
  • C) Cell
  • D) Electrolyte
what kind of current does a battery produce
What kind of current does a battery produce?
  • A) Primary current
  • B) Secondary current
  • C) Alternating current
  • D) Direct current
what parts make up a circuit
What parts make up a circuit?
  • A) electrons and wires
  • B) wires, power source, and load
  • C) power source and electrons
  • D) wires and electrons
what are the two types of circuits
What are the two types of circuits?
  • A) series and parallel
  • B) right and left
  • C) AC and DC
  • D) open and closed
what kind of current do we get from a power plant
What kind of current do we get from a power plant?
  • A) Primary current
  • B) Secondary current
  • C) Alternating current
  • D) Direct current
five light bulbs are connected in a series circuit are they
Five light bulbs are connected in a series circuit. Are they…?
  • A) all lit the same.
  • B) all becoming dimmer.
  • C) half lit half not lit.
  • D) all burned out.
a student makes a parallel circuit if one light goes out what happens to the other lights
A student makes a parallel circuit. If one light goes out, what happens to the other lights?
  • A) The others stay lit
  • B) The others go out
  • C) The others get brighter
  • D) The others get dimmer
what happens if you cut a magnet in half
What happens if you cut a magnet in half?
  • A) It is no longer a magnet.
  • B) It still has a North and South pole.
  • C) It only has a North pole.
  • D) It only has a South pole.
if you push one magnet toward the other what will happen
If you push one magnet toward the other what will happen?

The magnets will pull toward each other.

The magnets will push away from each other.

The magnets will slide past each other.

The magnets will stick to each other.

the earth s inner iron core spins and acts as a magnet so that all compasses point
The Earth’s inner iron core spins and acts as a magnet so that all compasses point __________.
  • A) North
  • B) South
  • C) East
  • D) West
what force exists between the poles of the two magnets in the picture
What force exists between the poles of the two magnets in the picture?

Electric force of attraction

Electric force of repulsion

Magnetic force of attraction

Magnetic force of repulsion

what is the purpose of an iron core in an electromagnet
What is the purpose of an iron core in an electromagnet?
  • A) to hold the loops of wire in place.
  • B) to make the magnetic force stronger
  • C) to change the direction of the electric current.
  • D) to change the direction of the magnetic force.
how did scientists discover electric currents create a magnetic field
How did scientists discover electric currents create a magnetic field?
  • A) They put a compass next to a live wire.
  • B) They saw a magnetic field glow in the dark.
  • C) They watched the northern lights and knew it was the Earth’s magnetic field.
  • D) They moved a magnet in a wire to make electricity.
who discovered that you could make electricity from spinning a magnet inside a wire coil
Who discovered that you could make electricity from spinning a magnet inside a wire coil?
  • A) Thomas Edison
  • B) Hans Oersted
  • C) Michael Faraday
  • D) Abraham Lincoln
in which of the following items would you find an electromagnet
In which of the following items would you find an electromagnet?
  • A) junkyard crane
  • B) on a refrigerator
  • C) in a pen
  • D) in a battery
how is electricity related to magnetism
How is electricity related to magnetism?
  • A) They are the same thing.
  • B) They exert forces on each other.
  • C) They have nothing to do with each other.
  • D) One gets stronger as the other gets weaker.
what is the difference between a period and a group on the periodic table
What is the difference between a period and a group on the periodic table?
  • A) Periods are vertical, groups are horizontal.
  • B) Periods are horizontal, groups are vertical.
  • C) Periods and groups are the same thing.
  • D) Periods and groups are both vertical.
slide28

Jane puts the north pole of a bar magnet near an object on her desk. As the magnet gets closer it moves away. Which of the following statements is true?

  • A) The object has a north pole, but no south pole.
  • B) the object is a magnet or has been magnetized.
  • C) The object has randomly-arranged domains.
  • D) The object is not made of metal.
waves transfer
Waves transfer _____.
  • A) matter
  • B) energy
  • C) particles
  • D) water
the wave property that is related to the height of a wave is the
The wave property that is related to the height of a wave is the _____.
  • A) wavelength
  • B) amplitude
  • C) frequency
  • D) wave speed
waves that don t require a medium are
Waves that don’t require a medium are __________.
  • A) longitudinal waves
  • B) electromagnetic waves
  • C) surface waves
  • D) mechanical waves
when you look in the mirror what type of light behavior are you observing
When you look in the mirror, what type of light behavior are you observing?
  • A) refraction
  • B) reflection
  • C) diffraction
  • D) interference
how does a prism make a rainbow
How does a prism make a rainbow?
  • A) refraction
  • B) reflection
  • C) diffraction
  • D) interference
slide34
You walk down a dark hallway and suddenly a light spills out of an open doorway. What light wave behavior have you experienced?
  • A) Reflection
  • B) Refraction
  • C) Interference
  • D) Diffraction
slide35
When light is refracted, the visible color spectrum is displayed. What is the acronym we use to remember the colors?
  • A) PEMDAS
  • B) ROYGBIV
  • C) MVEMJSUN
  • D) SONAR
slide36
Light waves are more than just the light we see. What is another kind of light wave that we DON’T see?
  • A) red
  • B) sun
  • C) radio
  • D) blue
mass is measured in
Mass is measured in ______.
  • A) liters (L)
  • B) centimeters (cm)
  • C) newtons (N)
  • D) kilograms (kg)
hand lens problem solving
Hand Lens Problem Solving
  • Teachers sometimes use overhead projectors to show transparencies on a screen. What type of lens does an overhead projector use?

Convex

Concave

Flat-plane

eye

rusting is an example of a
Rusting is an example of a ______________.
  • A) physical property
  • B) physical change
  • C) chemical property
  • D) chemical change
which physical property can be used to classify oxygen helium propane and hydrogen as being similar
Which physical property can be used to classify oxygen, helium, propane, and hydrogen as being similar?
  • A) flammability
  • B) state
  • C) reactivity
  • D) malleability
which of the following is a simple machine
Which of the following is a simple machine?
  • A) bicycle
  • B) jar lid
  • C) scissors
  • D) can opener
how do electromagnetic waves emitted by the sun heat the earth
How do electromagnetic waves emitted by the sun heat the Earth?
  • A) conduction
  • B) convection
  • C) radiation
  • D) insulation
which of newton s laws explains the bumper car ride at an amusement park
Which of Newton’s Laws explains the bumper car ride at an amusement park.
  • a.Newton’s 1st Law
  • b.Newton’s 2nd Law
  • c.Newton’s 3rd Law
  • d.Newton’s Law of Gravitation
what type of wave interaction is an echo
What type of wave interaction is an echo?
  • A) reflection
  • B) refraction
  • C) diffraction
  • D) interference
which of the following statements describe elements

Which of the following statements describe elements?

All of the particles in the element are different.

Elements can be broken down into simpler substances.

Elements have unique sets of properties.

Elements cannot be joined together in chemical reactions.

physical science is
Physical science is:
  • The study of matter and energy.
  • The study of physics and chemistry.
  • Important in most sciences.
  • All of the above
which of the following sentences best describes table salt nacl
Which of the following sentences best describes table salt, NaCl?
  • Table salt is a compound made from two elements.
  • Table salt is a mixture made from two elements.
  • Table salt is an element made from two mixtures.
  • Table salt is an alloy made from a metal and a nonmetal.
look at each statement and tell if it is true or false
Look at each statement and tell if it is:True or False
  • Electrons are in the nucleus.
  • The atomic mass is the protons + neutrons.
  • Protons are positively charged.
  • In a balanced atom the electrons equal the neutrons.
  • Neutrons are negatively charged.
an atom of carbon has 6 protons 6 neutrons and 6 electrons what is the atomic mass
An atom of carbon has 6 protons, 6 neutrons, and 6 electrons. What is the atomic mass?
  • A) 6
  • B) 18
  • C) 15
  • D) 12
list three clues that a chemical change is taking place
List three clues that a chemical change is taking place.
  • A) ________________________________
  • B)________________________________
  • C) ________________________________
decide if the scenario below is a chemical or physical change
Decide if thescenario below is a chemical or physical change.
  • The following picture shows potassium chromate solution added to a silver nitrate solution. The dark red solid is a precipitate of silver chromate.
fill in the blank with the correct answer
Fill in the blank with the correct answer.
  • _________________ is a pure substance made of two or more elements that combine chemically.
f ill in the blank
Fill in the blank.
  • The particles of a ____________ are very far apart and move independently of one another.
f ill in the blank55
Fill in the blank.
  • The shape and volume of matter in the _____ state do not change.
one property that all particles of matter have in common is they
One property that all particles of matter have in common is they…
  • A) Never move in solids.
  • B) Only move in gases.
  • C) Move constantly.
  • D) None of the above.
slide57
Look at the chemical formula for jet fuel below. How many atoms does it contain and name the elements.
  • NH2 NH2
what is it called when two or more different elements form a compound
What is it called when two or more different elements form a compound?
  • A) friendship
  • B) physical change
  • C) chemical bonding
  • D) states of matter
by looking at the periodic table how can you figure out
By looking at the periodic table, how can you figure out…
  • The number of protons?
  • The number of electrons?
  • The number of neutrons?
recipe for a compound
Recipe for a compound.
  • What three things do you need to create a compound?
    • 2 or more _______________________
    • ______________ reaction
    • ______________ bond or a ____________ bond
how is the periodic table organized
How is the periodic table organized?
  • Alphabetically by chemical name.
  • By properties of families and periods.
  • Randomly
  • By atomic mass.
slide65
The Periodic Table of Elements divides metals from nonmetals. What makes an element a metal or nonmetal?
  • A) Density – metals are denser than nonmetals.
  • B) Color – metals are typically dull in color
  • C) Size – metals are more massive
  • D) Valence shell electrons: metals tend to lose electrons and nonmetals tend to gain electrons.
when two or more elements join together chemically
When two or more elements join together chemically…
  • A) a mixture is formed
  • B) a compound is formed.
  • C) a substance that is the same element is formed.
  • D) the physical properties of the substances remain the same
what is a pure substance that cannot be broken down into simpler substances by chemical means
What is a pure substance that CANNOT be broken down into simpler substances by chemical means?
  • A) electron
  • B) element
  • C) equation
  • D) electricity
slide69

Many drain cleaners contain a substance called sodium hydroxide. Sodium hydroxide is formed when sodium, oxygen, and hydrogen join chemically. How is sodium hydroxide classified?

  • A) a solution
  • B) a compound
  • C) an element
  • D) a mixture
slide70
What term is used to describe all elements that are in the same vertical column on the periodic table?
  • A) atomic mass
  • B) atomic number
  • C) group
  • D) period
how do you know an object has moved
How do you know an object has moved?
  • A) it flies
  • B) it rolls
  • C) it changes position
  • D) it can be measured
what is the average speed of an object that travels 100 meters in 20 seconds
What is the average speed of an object that travels 100 meters in 20 seconds?
  • A) 4 m/s
  • B) 8 m/s
  • C) 5 m/s
  • D) 10 m/s
a runner takes 1 5 hours to complete a 6 km route what is the jogger s average speed
A runner takes 1.5 hours to complete a 6 km route. What is the jogger’s average speed?
  • A) 2.5 km/hr
  • B) 4.0 km/hr
  • C) 7.5 km/hr
  • D) 9.0 km/hr
which of the following is not needed to determine the velocity of a moving truck
Which of the following is NOT needed to determine the velocity of a moving truck?
  • A) The mass of the truck.
  • B) The distance it travels.
  • C) The time it takes to travel that distance.
  • D)The direction in which the truck is traveling.