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Search Results for particles - All Grades

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Grade 9 Rocks
Which of the following sediment materials has the greatest porosity?
  1. Spherical particles
  2. Angular particles
  3. Semi-flat particles
  4. Triangular particles
Grade 11 Magnetism and Electricity
The force exerted by an electric field on a particle entering it is equal to the product of the magnitude of the field and
  1. the mass of the particle.
  2. the size of the particle.
  3. the charge of the particle.
  4. the speed of the particle.
Grade 10 Nuclear Chemistry
Grade 11 Quantum Physics and the Atom
A particle's De Broglie wavelength, [math]lambda[/math], shows the ratio between Planck's constant and which of the following?
  1. linear momentum of a particle
  2. angular acceleration of a particle
  3. mass of a particle
  4. energy state of a particle
Grade 11 Thermodynamics
The Boltzmann constant shows a relationship between temperature and
  1. the velocity of each particle.
  2. the mass of each particle.
  3. the entropy of each particle.
  4. the energy of each particle.
Grade 6 Properties of Matter
Grade 8 Chemistry
In beta decay, a neutron is converted into a proton and which of the following?
  1. an isotope
  2. a nucleus
  3. an alpha particle
  4. a beta particle
Grade 8 Atomic Structure
A proton has approximately the same mass as                  .
  1. a neutron
  2. a beta particle
  3. an alpha particle
  4. an electron
Grade 11 Thermodynamics
The Kinetic Molecular Theory states that the pressure of a gas results from
  1. the mass of particles.
  2. the collisions of particles with the walls of a container.
  3. the forces of repulsion between the particles.
  4. the energy loss experienced by each particle.
Grade 6 Atomic Structure
What is a proton?
  1. A subatomic particle with no charge
  2. A subatomic particle with a negative charge
  3. A subatomic particle that has melted
  4. A subatomic particle with a positive charge
Grade 11 Properties of Matter
Which of the following statements correctly describes changes in the motion of particles as the temperature of a container is decreased from 45ºC to 22ºC?
  1. The particles contract, in terms of their size.
  2. The particles expand, in terms of their size.
  3. The particles move more quickly.
  4. The particles move more slowly.
Grade 4 Matter
Which sentence describes a liquid?
  1. Particles slide past each other.
  2. Particles stay near their neighbors.
  3. Particles are arranged in a pattern.
  4. Particles bounce away from each other.
College Thermodynamics
Which of the following factors dominates changes in positional entropy for particles in a reaction, when gaseous reactants and products are involved?
  1. The temperature of the particles
  2. The volume of the particles
  3. The physical states of the particles themselves
  4. The numbers of gaseous reactants and products
Grade 9 Waves and Sound
Which of the following would be used to detect structural flaws in buildings?
  1. Gamma Rays
  2. Alpha Particles
  3. Beta Particles
  4. Radioactive Isotopes
Grade 4 Kinetics and Equilibrium
What happens to the particles in water when the water is heated?
  1. The particles move faster and closer.
  2. The particles move slower and closer.
  3. The particles move faster and farther apart.
  4. The particles move slower and farther apart.
Grade 11 Forces and Motion
Grade 8 Heat Transfer
Diffusion in gases occurs quickly because
  1. the particles are very small.
  2. the particles move around very fast.
  3. gases are very compressible.
  4. the particles are in fixed positions.
Grade 5 Properties of Matter
Why do most materials get smaller when they cool?
  1. Some particles are destroyed.
  2. The particles have less space between them.
  3. Some particle turn into a different material.
  4. The particles have more space between them.
Grade 6 STEM Words
Choose the correct spelling
  1. partisle
  2. particle
  3. porticle
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