Sound
Light
Energy
Matter
Electricity and Magnetism
100
Vibrating matter produces —
A. mass
B. sound
C. atoms
D. light
B. sound
100
Light is a form of _______ energy.
A. radiant
B. mechanical
C. chemical
D. sound
A. radiant
100
A violinist pulls a bow across the strings of the violin.
Which best describes how energy is transformed as the musician plays the violin?
A. Sound energy is transformed to thermal energy.
B. Mechanical energy is transformed to sound energy.
C. Sound energy is transformed to electrical energy.
D. Electrical energy is transformed to radiant energy.
B. Mechanical energy is transformed to sound energy.
100
Matter can be broken down into particles that are too small to be seen. What is the smallest part of matter?
A. a mixture
B. an atom
C. a solution
D. a gas
B. an atom
100
An insulator is a material that -
A. does not change the flow of electrons
B. blocks the flow of electrons
C. allows electrons to flow through quickly
D. electrons can easily travel across
B. blocks the flow of electrons
200
Which pictures show compression waves? Select 2 answers.
A
B
C
D
A & C
200
What would be an example of an opaque surface?
A. window glass
B. plastic cup
C. brick wall
C. brick wall
200
Energy CAN change forms, but energy CANNOT be --
A. created or destroyed.
B. transferred or transformed.
C. mechanical or electrical.
D. kinetic or stored.
A. created or destroyed.
200
A student was observing and measuring a balloon. The student knows the balloon is matter because it --
Select 2 answer choices.
A. has mass.
B. is green.
C. is round.
D. takes up space (has volume).
E. is shiny.
A. has mass.
D. takes up space (has volume).
200
Which of these best completes the circuit?
A. Metal nail
B. Plastic straw
C. Wooden toothpick
D. Rubber band
A. Metal nail
300
Objects vibrating rapidly have a ______ ______ than objects vibrating more slowly.
A. higher pitch
B. louder sound
C. lower pitch
D. softer sound
A. higher pitch
300
The straw appears to be broken or bent. The bending of light as it moves from the air into the water is known as ___________.
A. reflection
B. refraction
C. absorption
D. white light
B. refraction
300
Which 2 objects transform electricity into radiant energy? (Select 2 answer choices.)
A. lamp
B. fan
C. guitar
D. television
E. bicycle
A. lamp
D. television
300
A student filled a cup with 100g of ice. A few hours later, all the ice melted. What is the mass of the liquid water?
A. 50g
B. 100g
C. 150g
D. 200g
B. 100g
300
What is most likely causing the girl's hair to stick to the balloon?
A. Magnetic attraction
B. Frictional force
C. Potential energy
D. Static electricity
D. Static electricity
400
How is the use of sound waves helpful to this whale?
A. It makes it easier to obtain oxygen.
B. It makes the water warmer.
C. It signals fish to move out of the whale’s path.
D. It helps the whale locate food.
D. It helps the whale locate food.
400
Which light wave has the shortest wavelength and highest frequency?
A. green
B. yellow
C. violet
D. red
C. violet
400
The diagram below shows an example of energy changing forms.
How is energy being transformed in the diagram?
A. electrical → sound → radiant and mechanical
B. mechanical → radiant → sound and electrical
C. radiant → electrical → mechanical and sound
D. radiant → sound → mechanical and electrical
C. radiant → electrical → mechanical and sound
400
A student observed steam rising from a pot of boiling water. The atoms in the steam are —
A. spread apart and moving very fast
B. packed tightly and barely moving
C. packed tightly and moving a little
D. moving very slow as they rise
A. spread apart and moving very fast
400
Wrapping a wire around an iron nail and creating a closed circuit produces - (Select 2 correct answers)
A. a magnetic field
B. lightning
C. an electromagnet
D. static electricity
A. a magnetic field
B. an electromagnet
500
Sound is a form of _________ energy.
A. thermal
B. radiant
C. mechanical
D. chemical
C. mechanical
500
What would be an example of a translucent surface?
A. brick wall
B. plastic cup
C. glass window
B. plastic cup
500
In which of these examples does using energy cause work to be done? (Select 3 correct answers.)
A. rock sitting on the ground
B. moving a box
C. books sitting on a desk
D. a fan spinning
E. walking up the stairs
B. moving a box
D. a fan spinning
E. walking up the stairs
500
A graduated cylinder can be used to measure how much space on object takes up. Using the information above, which statement is true.
A. The liquid has a mass of 20g.
B. The liquid has a volume of 21mL.
C. The liquid has a volume of 23mL.
D. The liquid has a mass of 23g.
C. The liquid has a volume of 23mL
500
A student made a simple circuit.
Which type of energy is produced when the circuit is closed?
A. radiant
B. sound
C. magnetic
D. mechanical
A. radiant