The process in which the nucleus of an atom splits into two lighter atoms, releasing a large amount of energy, is nuclear __ Fusion Fission Radiation Energy
Respond to the following based on your reading. 6. Stars are classified according to their temperature and luminosity. Using the Hertzsprung-Russel diagram compare and contrast white dwarfs with super giants. square
Which type of energy is associated with motion? electrical kinetic potential chemical
Heat can be transferred in at least 3 ways. Which is NOT a way that heat can be transferred? Conduction Reflection Radiation Convection
Which is not a form of ionizing radiation? ultraviolet light gamma rays D X-rays infrared light
Respond to the following based on your reading. 6. Briefly explain why the moon doesn't have an atmosphere or plate tectonic activity. square
Which of the following photons has the highest energy? a) a photon with lambda =647nm b) a photon with lambda =633pm c) a photon with lambda =1.064mu m d) a photon with v=1.55times 10^15Hz e) a photon with v=5.83times 10^14Hz
Complete the following statement: In Charles's law the volume of a gas __ when the __ decreases. increases pressure decreases,temperature increases,temperature increases quantity of gas decreases,pressure
A radioactive isotope has a half-life of 1 billion years. A rock originally contained 50 grams of radioactive isotope, and now contains 6.25 grams. Approximately how many years old is the rock? 125,000 years 2 billion years 3 billon years 125 million years 8 billion years
Your vehicle must have a horn which can be heard from a distance of __ feet. 400 500 200 300
What is the relationship between velocity and acceleration? Acceleration is the change in velocity over time. Velocity is the change in acceleration over time. Velocity and acceleration are equal and opposite. Velocity and acceleration have nothing to do with each other.
19. The process by which atomic nuclei spontaneously decay is called relative dating radioactivity erosion deposition 20. The time it takes for 50 percent of the nuclei in a radioactive sample to decay to its stable isotope is called the daughter product geologic time the half-life the half-time 21. The scientist who developed the theory of evolution was Harry Hess James Hutton Charles Darwin William Smith
Radloactive nuclel undergo decay because they are unstable. a TRUE b FALSE
Which of the following would cause a change in the speed of a sound wave? a the wave being made by a larger vibration b the wave moving through water C the wave changing medium from a gas to a liquid d the wave being made by a smaller vibration e none of the above
A man pulls a vacuum forward 13.6 m with a force of 33.9 N at a $55.0^{\circ }$ angle. How much work is being done to the vacuum by the man? $W=[?]J$
Select the cause of evaporation. Waves from the ocean Energy in the clouds Heat from the Sun Rain on the ground
True/False: The mass of the object affects the rate at which it falls. True False
If more force pushes two surfaces together, then the friction between the surfaces will __ stay the same increase decrease
Which of the following is the ideal way to apply pressure onto pedals? Gently at first and then with full force Stomping with force, so it reacts With your entire body weight behind it By pressing gradually
Select all of the types of electromagnetic waves that are ionizing radiation. gamma infrared microwave ultraviolet X-ray