Energy and Matter

Describe Matter.

• Solid

• Liquid

• Gas

• Plasma

A particle is a large unit of matter.

• True

• False

Adding food coloring to water demonstrates the concept of diffusion.

• True

• False

What is diffusion?

• a) The freezing of particles

• 
  b) The movement of particles from an area of lower concentration to higher concentration

• 
  c) The random motion of particles

• 
  d) The movement of particles from an area of higher concentration to lower concentration

In what way do particles move in matter?

• a) In a straight line

• 
  b) In a specific direction

• 
  c) In random motion, in all directions and at different speeds

• 
  d) Only when influenced by external forces

1. A rolling ball has energy because it is moving.

• • True

• False

Particles also move, so they must have energy.

• • True

• False

Diffusion occurs faster when particles move faster.

• • True

• False

The unit of energy used in science is named the Joule.

• • True

• False

Who was the English physicist known for his studies in thermodynamics and particles?

• a) Isaac Newton

• b) James Prescott Joule

• c) Michael Faraday

• d) Thomas Edison