Physical Science
Physical Science
Physical Science
Physical Science
Physical Science
100
Which of the following is a chemical property of a substance? A the ability to conduct heat B the ability to melt C the ability to burn D the ability to reflect light
C the ability to burn
100
According to Charles's law, the volume of a gas at constant pressure is directly proportional to A its temperature. B its atomic mass. C its density. D its pressure.
A its temperature.
100
What is the name of a substance that produces hydroxide ions (OH-) in water? A acid B base C salt D pH
B base
100
Heat is a transfer A of kinetic energy. B of thermal energy. C from a conductor to an insulator. D from a lower temperature to a higher one.
B of thermal energy.
100
In order for a sound wave to form, what must energy cause a medium to do? A vibrate B melt C expand D diffract
A vibrate
200
Potting soil usually contains soil, organic matter, and perlite (small white balls that help keep the soil loose). Which of the following terms could be used to classify potting soil? A mixture B formula C element D compound
A mixture
200
Which group in the periodic table contains elements that do not react easily to form chemical compounds? A Group 1 B Group 3 C Group 17 D Group 18
D Group 18
200
A cyclist travels 32 km in 2 hours. What is the cyclist's average speed? A 16 km/hr B 32 km/hr C 34 km/hr D 64 km/hr
A 16 km/hr
200
Charges are not able to flow easily through A insulators. B conductors. C superconductors. D solenoids.
B conductors.
200
What kind of waves are sound waves? A longitudinal B transverse C seismic D electromagnetic
A longitudinal
300
Which of the following is an example of a physical change? A burning B melting C rusting D corroding
B melting
300
In the periodic table, how are elements in the same group related to each other? A They have the same atomic mass. B They have very different properties. C They have the same atomic number. D They have similar properties.
D They have similar properties.
300
A girl jumps forward off a boat. According to Newton’s third law of motion, what happens to the boat? A The boat also moves forward. B The boat remains motionless. C The boat moves backward. D The boat moves forward and then backward.
C The boat moves backward.
300
Which of these substances can be used to make a magnet? A magnesium B lead C gold D iron
D iron
300
The siren on an approaching fire truck sounds higher pitched than one that is moving away. How does the motion of the siren produce this effect? A It increases the speed of the sound waves. B It changes the direction of the sound waves. C It increases the amplitude of the sound waves. D It reduces the distance between compressions.
D It reduces the distance between compressions.
400
A change in state from liquid to gas is called A freezing. B condensing. C melting. D evaporation.
D evaporation.
400
If an element is shiny, a good heat conductor, and can be reshaped without breaking, the element is most likely A an isotope. B a liquid. C a gas. D a metal.
D a metal.
400
Which of the following statements best describes the newton, the SI unit for the magnitude of a force? A force required to move a 1-kg mass 1 meter B force required to move a 1-kg mass for 1 second C force required to move a 1-kg mass 1 meter in one second D force required to give a 1-kg mass an acceleration of 1 m/s2
D force required to give a 1-kg mass an acceleration of 1 m/s2
400
By determining the number of waves that pass a certain point in a given amount of time, you know the wave’s A amplitude. B speed. C wavelength. D frequency.
D frequency.
400
Which statement best describes how electromagnetic waves differ from other types of waves? A They can travel in a straight line. B They do not involve vibration. C They do not transmit energy. D They can travel through a vacuum.
D They can travel through a vacuum.
500
Which is an exothermic change? A ice melting B water turning to steam C frying an egg D coal burning
D coal burning
500
A log burned and became a pile of ashes. The mass of the ashes was less than the mass of the log before it burned. What can you conclude based on the law of conservation of mass? A The chemical reaction created matter. B The chemical reaction destroyed matter. C Not all of the products and reactants could be measured because the chemical reaction took place in an open system. D The chemical reaction did not work as expected because it took place in a closed system.
C Not all of the products and reactants could be measured because the chemical reaction took place in an open system.
500
What is the name for the energy of motion? A heat energy B kinetic energy C nuclear energy D electrical energy
B kinetic energy
500
Electricity flows through a transformer with more loops of wire in the secondary coil than in the primary coil. How will the voltage in the two coils compare? A The voltage will be higher in the primary coil. B The voltage will be higher in the secondary coil. C The current will be higher in the primary coil. D The current will be higher in the secondary coil
B The voltage will be higher in the secondary coil.
500
A roller coaster is at the top of a large hill. What best describes the type of energy it has? A potential energy B kinetic energy C thermal energy D electromagnetic energy
A potential energy
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