Name _________________________ Date ____________________ Grade ________ Physical Science - Final Semester 1 (50 Questions) Unit 1- 1. Mass can be measured with a triple beam balance in units of ______. A. grams B. Newtons C. cubic centimeters D. millimeters 2. A. 11cm^3 B. 40cm^3 C. 62cm^3 3. Measuring volume by displacement is used when… A. the object is a liquid. B. the object is a gas. C. the object is too small to see. D. the object is irregularly shaped and is hard to measure. 4. In which state of matter do particles have the most energy? A. solid B. liquid C. gas D. plasma 5. Which statement is true about the energy level of solids? A. Solids have more energy than water. B. Solids have more energy than plasma. C. Solids have the most amount of energy. D. Solids have the least amount of energy. 6. When water spills on the floor it makes a puddle. This is because.. A. liquids do not have a definite shape and will spread on the floor. B. liquids will expand to the volume of their containers. C. the shape of a liquid is not determined by its container. D. liquids have a fixed shape, but not a fixed volume. 7. Which statement is NOT true about gases? A. The particles of a gas are constantly moving. B. The particles of a gas move very slowly. C. The particles of a gas spread very far apart. D. The particles of a gas will spread to fill its container. 8. Air has... A. a fixed volume but no fixed shape. B. no fixed volume or shape. C. a fixed shape but no fixed volume. D. both a fixed shape and fixed volume. 9. Which is a correct definition for plasma, the fourth state of matter? A. State of matter with a definite shape and volume B. State of matter with a definite volume but no definite shape C. State of matter with no definite shape or volume and no charge D. State of matter made up of electrically charged particles 10. When a substance melts and a phase change occurs, the particles.. A. stop moving. B. start moving. C. move slower. D. gain energy and move faster. Unit 2 - 1. What is a substance that only contains one kind of atom? A. An element B. A compound C. A mixture D. A mineral 2. What is all matter made up of? A. nitrogen B. atoms C. cells 3. Which of the following is NOT an example of an atom? A. A water molecule B. The smallest part of oxygen C. The smallest part of helium 4. Which of the following statements is true about the charges of protons and neutrons? A. Protons and neutrons have the same charge. B. Protons have a positive charge and neutrons have no charge. C. Protons have a negative charge and neutrons have a positive charge. 5. a. b. c. What is the charge on a Proton? Positive charge Negative charge No charge 6. What is the charge on a Neutron? a. Positive charge b. Negative charge c. No charge 7. What is the charge on a Electron? a. Positive charge b. Negative charge c. No charge Unit 3- 1. When you blow up a balloon, what is happening to the balloon? A. Physical change B. Chemical change C. An oxidation reaction 2. What type of mixture is composed of different molecules that are evenly distributed? (i.e. sweet tea) A. element B. homogeneous mixture C. heterogeneous mixture 3. What is considered by scientists as the universal solvent? A. water B. alcohol C. ammonia 4. In a sugar-water solution, what is the sugar? A. solvent B. solute C. solver 5. The production of a new substance commonly indicates what type of change? A. A physical change B. A chemical change C. A heterogenous change 6. What type of change will alter the makeup of the elements or molecules of a substance? A. chemical B. physical C. reactor 7. Which of the following can indicate a chemical change? A. bubbles B. melting C. freezing D. paper 8. An exothermic reaction is a reaction that produces heat. Which would describe this type of reaction? A. A physical change B. A chemical change C. A solution change Unit 4- 1. What type of energy does a bicycle in motion have? A. potential B. kinetic C. magnetic 2. Energy is constantly changing between potential and kinetic. Which of the following is true of kinetic energy? A. An object has kinetic energy when it is in motion. B. An object has kinetic energy when it is holding still, but poised in a position to move. C. The slower an object is moving, the more kinetic energy the object has. 3. What is the best example of chemical energy? A. energy stored in chemical bonds B. heat C. vibrations 4. Which is true about energy? A. Energy can be transformed. B. Energy can be created. C. Energy cannot change from one form to another. D. Energy can be destroyed. 5. What energy transformations occur in the blades of a flying helicopter? A. Chemical energy in the fuel is transformed into mechanical and sound energy. B. Chemical energy in the fuel is transformed into electromagnetic and sound energy. C. Mechanical energy in the fuel is transformed into chemical and sound energy. Unit 5- 1. What is temperature equilibrium? A. When particles of matter have reached an equal temperature B. The flow of energy from one particle to another C. When particles of matter are moving in the exact same manner 2. Which is required for conduction? A. Moving fluids B. Two substances in direct contact with one another C. Two substances in close proximity, but not necessarily touching 3. Which of these systems is an example of convection? A. food frying in a pan B. water boiling in a pot C. melting ice in your hand Unit 61. What is the Law of Attraction? a. Opposite charges attract, like charges repel b. Organisms are more likely to choose a mate that appeals to them c. Energy is stored in all things 2. What is magnetism? a. Force of attraction or repulsion b. Objects in motion stay in motion unless acted upon by an external force c. Metal objects can conduct electricity Unit 7- 1. What happens when an electron and a proton get close together? A. They are attracted to each other. B. They repel each other. C. Nothing happens. 2. Which is the best definition of electric charge? A. It is a force of attraction and repulsion by magnetic materials. B. It is the flow of electrons that have a negative charge to protons that have a positive charge. C. It is a force of attraction based on an object's mass. 3. A. The battery B. The wire C. One of the lightbulbs D. The switch 4. A. Bulb A B. Bulb B C. Bulb C D. They will all be the same. 5. Why is resistance useful in lightbulbs? A. It allows the filament to cool off and get dim. B. It allows the filament to heat up and glow. C. It allows the filament to heat up and get dim. D. It allows the filament to cool off and glow. Unit 8- 1. What is a wave? A. a circular path for energy B. a back and forth or up and down motion carrying energy C. a straight line of matter D. a material that transfers energy 2. Which of these are electromagnetic waves? A. light and radio waves B. sound waves C. ocean waves and earthquake vibrations 3. How do longitudinal wave particles move? A. Longitudinal waves move in circular paths. B. Longitudinal waves move parallel to the direction the wave travels. C. Longitudinal waves move side to side. 4. What do we call waves that must travel through a medium? A. longitudinal B. mechanical C. transverse D. electromagnetic Unit 9- 1. Which object would most likely absorb sound? A. A blanket B. A smooth wall C. Solid floors D. Bare rock 2. Why do sound waves travel slowest through gases? A. The particles are closest together. B. The particles are farthest apart. C. There is no medium for the vibrations to pass through. D. The particles are too cold. 3. What happens when sound waves move faster? A. The frequency and pitch are higher. B. The frequency is lower, but the pitch is higher. C. The frequency and pitch are lower. D. The frequency is higher, but the pitch is lower. Unit 10- 1. Which best describes electromagnetic waves? A. transverse waves made up of electric and magnetic fields B. longitudinal waves made up of vibrations that move through matter C. mechanical waves that travel as ripples in water D. sound waves that can only travel in a medium 2. How are electromagnetic and mechanical waves different? A. Mechanical waves can travel through a vacuum, but electromagnetic waves cannot. B. Electromagnetic waves can travel through a vacuum, but mechanical waves cannot. C. Electromagnetic waves travel slower than mechanical waves. 3. What is the best definition of low electromagnetic energy? A. Low electromagnetic energy has long wavelengths and low frequency. B. Low electromagnetic energy has long wavelengths and high frequency. C. Low electromagnetic energy has short wavelengths and low frequency.
