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Matter
Energy
Waves
Force and Motion
Electricity and Magnetism
100
Which of the following is a chemical property of a substance? a. Density b. White Powder c. Mass d. Reacts with HCl
What is reacts with HCl
100
Objects that are able to fall have what type of energy? a. kinetic b. radiant c. potential d. electrical
What is c. potential
100
What type of wave is a sound wave? a. transverse b. electromagnetic c. compressional d. refracted
What is c. compressional
100
Which of the following is a push or a pull? a. force b. momentum c. acceleration d. inertia
What is a. force
100
Which of the following describes an object that is positively charged? a. has more neutrons than protons b. has more protons than electrons c. has more electrons than protons d. has more electrons than neutrons.
What is b. has more protons than electrons
200
Sugar dissolves in water. Is this a physical property or a chemical property of sugar?
What is physical property because the compounds water and sugar remain unchanged in the solution.
200
Almost all of the energy that is used on Earth's surface comes from which of the following energy sources? a. radioactivity b. the Sun c. chemicals d. wind
What is b. the Sun
200
What is the name for a chande in the direction of a wave when it passes from one medium into another? a. refraction b. interference c. reflection d. diffraction
What is a. refraction
200
Which of the following has no directions? a. force b. acceleration c. weight d. mass
What is d. mass
200
How many poles do all magnets have? a. one b. two c. three d. one or two
What is b. two
300
Which of the follwoing changes when water evaporates? a. the physical properties of water b. the chemical properties of water c. the color of the water d. the mass of the water
What is d. the mass of the water
300
Muscles perform what type of energy transformation? a. kinetic to potential b. kinetic to electrical c. thermal to radiant d. chemical to kinetic
What is d. chemical to kinetic
300
What is carried from particle to particle in a water wave? a. speed b. amplitude c. energy d. matter
What is c. energy
300
You are riding on a bike. In which of the following situations are the forces acting on the bike balanced? a. You pedal to speed up b. You turn at constant speed c. You coast to slow down d. You pedal at constant speed.
What is d. you pedal at constant speed
300
Which energy transformation occurs in an electric motor? a. electrical to kinetic b. electrical to thermal c. potential to kinetic d. kinetic to electrical
What is a. electrical to kinetic
400
Which of the following properties is a size-independent property? a. state b. length c. mass d. volume
What is a. state
400
The kinetic energy of a moving object increases if which happens? a. Its mass decreases b. Its speed increases c. Its height above the ground increases d. Its temperature increases
What is b. its speed increases
400
Two waves with the same wavelength overlap and interfere constructively. How is the resulting wave different from the original two waves? a. It has a greater amplitude b. It has a lower amplitude c. It has a shorter wavelength d. It has a shorter wavelength
What is b. It has a lower amplitude
400
What is the weight of a book that has a mass of 0.35 kg? a. 0.036 N b. 3.4 N c. 28 N d. 34 N
What is b 3.4 N
400
What happens when two materials are charged by rubbing against each other? a. Both lose electrons b. Both gain electrons c. One gains electrons and one loses. d.There is no transfer of electrons
What is c. one gains electrons and one loses
500
Which of the following best describes rust? a. reversible physical change b. irreversible physical change c. reversible chemical change d. irreversible chemical change
What is d. irreversible chemical change
500
When chemical energy is converted into thermal energy, which is true? a. The total amount of energy changes b. Only the amount of chemical energy changes c. Only the amount of thermal energy changes d. The total amount of thermal energy plus chemical energy does not change.
What is d. The total amount of thermal energy plus chemical energy does not change.
500
Why can't you see a sharp image of yourself if the surface of the water is rough? a. The roughness chanfes the wavelength of the light. b. The light scatters in many different directions. c. Light waves are diffracted. d. The light changes speed when it strikes the water.
What is b. The light scatters in many different directions
500
An ice skater is moving in a straight line with constant speed. Which describes the forces acting on the skater? a. The forces on the skater are unbalanced b. The forces on the skater are balanced c. There are no forces acting on the skater d. Only gravity is acting on the skater
What is b. the forces on th skater are balanced
500
Which statement about the magnetic poles of the magnetic domains in a bar magnet is true? a. They point in random directions b. They cancel each other c. They point in one direction d. Their orientation cannot change
What is c. they point in one direction