WHO WANTS A PIECE OF CANDY?

Final Exam Review Game WHO WANTS A PIECE OF CANDY?

Question 1 • Which of the following is NOT the result of a chemical change? • A) digested food • B) rusted metal • C) ground flour • D) soured milk

Question 2 • What chemical property is responsible for iron rusting? • A) conductivity • B) non-flammability • C) reactivity with oxygen • D) flammability

Question 3 • Which of the following would be the easiest to start moving? • A) a cart loaded with many sacks of potatoes • B) an empty cart with no potatoes • C) a cart loaded with one potato • D) a cart loaded with two potatoes

Question 4 • Why would molding clay be considered a physical change? • A) The clay changes only its state of matter. • B) The clay changes its identity. • C) The clay changes its composition • D) The clay changes only its shape.

Question 5 • In a solid, the particles? • A) overcome the strong attraction between them. • B) slide past each other. • C) move independently of one another. • D) vibrate in place.

Question 6 • What is the same as the melting point of salt? • A) its condensation point • B) its boiling point • C) its sublimation point • D) its freezing point

Question 7 • What pure substance forms when two elements chemically combine? • A) a compound • B) an element • C) a solution • D) a mixture

Question 8 • Which is NOT a way to reduce friction? • A) sanding with sandpaper • B) using ball bearings • C) ground flour • D) soured milk

Question 9 • Which of the following does NOT describe weight? • A) can be measured in newtons • B) is constant • C) changes as gravitational force changes • D) is a measure of gravitational force

Question 10 • Which is an example of friction that is helpful? • A) holes developing in your socks • B) the erosion of soil by wind • C) tires moving a car forward on a road • D) car engine parts wearing out

Question 11 • When a mover puts furniture on a dolly with wheels, which type of friction is the mover using to make his job easier? • A) gravitational friction • B) sliding kinetic friction • C) static friction • D) rolling kinetic friction

Question 12 • When something changes position, what is it doing? • A) It is a reference point. • B) It is moving. • C) Nothing. • D) It is static.

Question 13 • What feature of an object does NOT affect air resistance? • A) Its speed • B) Its shape • C) its size • D) Its chemical composition

Question 14 • Which is true about the reaction force of a chair you are sitting on? • A) The force is equal to your weight. • B) The force is determined by many factors. • C) The force varies. • D) The force is greater than your weight.

Question 15 • Which of the following is the equation for Newton’s second law of motion? • A) F=m x a • B) m=a x F • C) a = m x F • D) m = F x a

Question 16 • Which is a common unbalanced force acting on objects in motion? • A) acceleration • B) friction • C) inertia • D) speed

Question 17 • In which situation is a person doing work on an object? • A) A student walks while wearing a backpack that weighs 15 N. • B) A worker holds a box 1m off the floor. • C) A school crossing guard raises a stop sign that weighs 10 N • D) A man exerts 350 N force on a rope attached to a house.

Question 18 • Which of the following is a compound machine? • A) screw • B) first class lever • C) block and tackle pulley • D) wheel and axle

Question 19 • When a machine increases the size of the force exerted, what happens to the distance? • A) it must decrease • B) it must increase • C) it must double • D) it must stay the same

Question 20 • Which type of energy makes a light bulb feel warm? • A) light energy • B) thermal energy • C) nuclear energy • D) electrical energy

Question 21 • When is the potential energy the greatest in a roller coaster? • A) at the bottom of the first hill • B) at the top of the first hill • C) at the top of the second hill • D) at the bottom of the second hill

Question 22 • What do you call the energy of motion? • A) force energy • B) mechanical energy • C) potential energy • D) kinetic energy

Question 23 • Which of the following is NOT a common state of matter? • A) gas • B) solid • C) plasma • D) liquid

Question 24 • In an atom, which has the least mass? • A) proton • B) electron • C) neutron • D) nucleus

Question 25 • PERIODIC means….. • A) happening three or four times a year. • B) happening very rarely. • C) happening frequently. • D) happening at regular intervals.

Question 26 • Transition metals are: • A) good conductors of thermal energy • B) more reactive than alkali metals. • C) not good conductors of electric current. • D) used to make aluminum

Question 27 • A calcium carbonate molecule has 1 calcium (Ca)atom, 3 oxygen (O) atoms, and 1 carbon (C)atom. Which of the following shows the chemical formula for calcium carbonate? • A) Ca2CO2 • B) CaC2O2 • C) 3CaCO • D) CaCO3

Question 28 • How much electrical energy does a 75 W light bulb use if it is on for 4 hours? • A) 300 W • B) 150 W • C) 150 kWh • D) 300 kWh

Question 29 • Which of the following is NOT an insulator? • A) copper • B) glass • C) wood • D) air

Question 30 • What does the amount of energy released per charge depend upon? • A) resistance • B) friction • C) current • D) voltage

Question 31 • As voltage goes up, what happens to current? • A) current goes up • B) current stays the same • C) current drops to 0 Amps. • D) current goes down

Question 32 • Which of the following is NOT a property of waves? • A) wavelength • B) frequency • C) amplitude • D) refraction

Question 33 • What does the motion of the source of a sound cause? • A) shock waves • B) echolocation • C) resonance • D) Doppler effect

Question 34 • Which surface is the best reflector of sound? • A) smooth and hard • B) bumpy and soft • C) smooth and soft • D) bumpy and hard

Question 35 • What wave interaction occurs when waves combine and the resulting wave has a smaller amplitude than the initial waves had? • A) destructive interference • B) diffuse reflection • C) constructive interference • D) regular reflection

WHO WANTS A PIECE OF CANDY?