TASC Physical Science Practice Exam

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• What happens in the photoelectric effect?
• The PEL can contain up to how many electrons?
• In a chemical equation, energy on the right side indicates...
• In a reversible reaction, equilibrium occurs when
• The periodic table is organized by
• Which of the following is an example of an electromagnet?
• Which of the following examples best illustrates action-at-a-distance forces?
• Negative work occurs when the force is opposite the direction of displacement.
• What are contact forces and give examples?
• Which statement about static friction is true?
• If distance doubles, what happens to gravitational force according to F = G m1 m2 / r^2?
• What is the approximate speed of light in vacuum?
• Which wavelength range corresponds to visible light?
• What is an endothermic reaction?
• What is the Earth's magnetic field attributed to?
• How can you tell how strong a bond is?
• Group 18 has 8 PEL and can have no bonds since the PEL is full.
• Which statement describes a medical use of radiation?
• Which statement describes the reaction of alkali metals with water?
• Balance the chemical equation H2 + O2 -> H2O. What coefficients balance it?
• Which statement best describes Boyle's law for a fixed amount of gas at constant temperature?
• What is the formula for momentum as given?
• Which of the following gases is a greenhouse gas contributing to warming?
• Which statement describes action-at-a-distance forces?
• What is a catalyst and how does it affect a chemical reaction's rate?
• Why is a control group important in an experiment?
• Describe the difference between conduction in solids and convection in fluids?
• Which pair includes only action-at-a-distance forces?
• What best describes gravity?
• What is a wavelength?
• Wavelengths for TV and FM radio signals are roughly how long?
• Which of the following is an action-at-a-distance force?
• Which process is endothermic?
• Which statement best describes surface waves?
• What do the phase boundaries on a phase diagram represent?
• What are the two main types of energy described?
• In stars, fusion refers to what process?
• What distinguishes action-at-a-distance forces from contact forces?
• Which description best describes AM radio wavelengths?
• Which of the following is NOT an action-at-a-distance force?
• What is an exothermic reaction?
• What is the formula for gravitational potential energy in a uniform gravitational field?
• What is activation energy?
• Which statement correctly contrasts series and parallel circuits?
• Which substance is described as having a high melting point (as given in the material)?
• In a balanced chemical equation, why is the conservation of atoms across both sides important?
• Which statement about work is true?
• Which type of wave propagates energy perpendicular to the direction of travel?
• Why are measurements reported with significant figures?
• Bond strength is indicated by which property?
• What is an isotope?
• Which statement expresses Archimedes' principle and its application to buoyancy?
• Which statement about conservation of mass is true?
• Which statement describes an ionic bond according to the source?
• Define momentum and state its equation.
• Which statement best characterizes gravitational force?
• How many moles are in 24 grams of water (H2O) given a molar mass of 18.0 g/mol?
• Which statement best describes friction, including the difference between static and kinetic friction?
• What is transmutation, or nucleosynthesis?
• What is the greenhouse effect and why is it important for Earth's climate?
• What is the formula for gravitational potential energy as given?
• What are two characteristic properties of ionic compounds at room temperature?
• In the context of polarity, what is meant by polar sides?
• If an object has mass 2 kg and velocity 3 m/s, its momentum is what?
• What is the neutral point of the pH scale and what is considered a neutral solution?
• What is needed to make two atoms react?
• Which statement correctly defines density?
• How does weather differ from climate?
• What is latent heat of fusion and latent heat of vaporization?
• Which statement about the effect of surface area on reaction rate is true?
• Which of the following is an action-at-a-distance force?
• What helps atoms speed up their reaction?
• Which statement correctly relates pitch to frequency?
• Which statement about phase diagrams is true?
• How does an increase in temperature generally affect the rate of a chemical reaction?
• How do you keep a reversible reaction the same?
• Why is wearing appropriate safety gear essential in a laboratory?
• If the speed of an object is doubled, by what factor does its kinetic energy change (assuming mass remains constant)?
• What are the three states of matter?
• Which force can act on one object across a distance without touching it?
• What does the term 'dual nature of light' refer to?
• What is the unit used for resistance?
• Which trio lists three simple machines?
• In the calculation 24 g ÷ 18.0 g/mol, the result represents the number of what?
• Where are non-metals typically located on the periodic table according to the material?
• What is force?
• Heat moves from where there is greater heat to where there is lower heat.
• Which factor affects the rate of a chemical reaction?
• Which statement about gamma rays is true according to the material?
• Which radiation types are commonly used in medical imaging?
• According to the material, what is a molecule?
• With a fixed speed of light, what is the relation between frequency and wavelength?
• What is chemical energy?
• What happens when waves travel through a medium other than air?
• Which of the following is an intensive property?
• What is the conservation of mass?
• What happens to light when it passes from air into a denser medium at an angle?
• What is the formula for the electrostatic force between two point charges?
• What does a pH value less than 7 indicate?
• An electromagnet is defined as what?
• Which gas is the second most abundant in Earth's atmosphere?
• Which statement best defines energy?
• Which of the following is an extensive property?
• What are waves?
• In some nuclear decays, which emission occurs without changing the element?
• Electrostatic forces describe what?
• Which statement best defines latent heat?
• In projectile motion with no air resistance, what describes the effect of gravity?
• What is the formula for kinetic energy of a moving object?
• What is the approximate speed of light in a vacuum?
• What is diffraction?
• Which particles are contained in atoms?
• Which statement correctly distinguishes speed and velocity?
• Which is an extensive property?
• What is the relationship between speed, frequency, and wavelength for a wave in a medium?
• State the work-energy principle for a moving object.
• How is pressure measured and what is the common SI unit?
• In the periodic table, which statement about periods and groups is true?
• Why do atoms bond?
• What information does a phase diagram provide?
• Which statement about longitudinal waves is true?
• Which force is an action-at-a-distance force?
• Which particle is emitted in alpha decay?
• Regarding energy and work, which statement is true?
• In an endothermic reaction, energy is absorbed from the surroundings.
• What best describes the Law of Conservation of Mass in a chemical reaction?
• Which statement correctly distinguishes mass and weight?
• What energy transformation occurs in a toaster?
• What does a velocity-versus-time graph with velocity increasing linearly represent?
• What type of bond forms when electrons are transferred from a metal to a nonmetal?
• According to Archimedes’ principle, which statement best describes buoyancy related to floating?
• What is half-life?
• According to Newton's second law, if a cart of mass 5 kg is pushed with a force of 10 N, what is the resulting acceleration?
• How does gravity affect mass and weight?
• How is work defined in physics and what are its units?
• What is an interaction?
• Conservation of energy states that energy cannot be created or destroyed; it can be transformed. Which statement best reflects conservation of energy?
• Which method of heat transfer does not require matter to transfer energy?
• Which statement best defines electromagnetic radiation?
• Action-at-a-distance forces do not require direct contact between objects to exert an effect. Which statement is true?
• What happens to total momentum in a collision in a closed system?
• What is a reversible reaction?
• What is mechanical energy?
• Which of the following is a typical example of an action-at-a-distance force?
• What occurs during nuclear decay?
• Transmutation, or nucleosynthesis, refers to the process of changing one element into another.
• Which statement best describes electric forces?
• Which process forms helium in stars and releases energy?
• Which of the following correctly describes the two kinds of matter as defined here?
• What does temperature measure according to the material?
• Describe the distinction between a magnetic field and an electric current.
• Which statement identifies an exothermic reaction?
• According to the material, what happens when force is applied to an object?
• Approximately how long are typical microwaves in wavelength?
• Which statement about mass conservation in chemical reactions is correct?
• Which term describes the way matter, fields, and subatomic particles affect one another?
• If the volume of a fixed amount of gas is halved at constant temperature, what happens to the pressure?
• Which statement describes the effect of increasing the volume on pressure when the temperature is constant?
• Which statement best describes nuclear fission?
• What are the three methods of heat transfer and give a practical example for each?
• Where are alkali metals located on the periodic table and what is a key property?
• During beta decay, a neutron is transformed into a proton, an electron, and an antineutrino.
• If a moving object's mass doubles while its speed stays the same, what happens to its kinetic energy?
• Which statement about activation energy is correct?
• Action-at-a-distance forces are defined as forces that do not require direct contact to affect an object.
• In a covalent bond, what does the source say happens to the atoms?
• Which of the following is not considered a basic simple machine?
• What are the major components of Earth's atmosphere in the lowest layer and their approximate percentages?
• Which of the following is a typical example of an action-at-a-distance force?
• During melting or boiling, energy is absorbed or released without a temperature change. What is this energy called?
• In a neutral carbon-12 atom, how many protons, neutrons, and electrons are present?
• What is the SI unit for mass?
• What is the formula for Newton's law of gravitation?
• Which statement describes a covalent bond according to the source?
• What is a compound?
• Why does the apple fall toward Earth's center?