Unit 1: 3-2 States of Matter & Energy

The molecules in a solid object __________

• are completely still all the time

• flow freely around each other

• vibrate slowly

Which of the following will hold its shape?

• liquid

• solid

• gas

• plasma

Which state of matter has the lowest amount of energy?

• Solid

• Liquid

• Gas

Which of the following represents particles in a liquid?

• Complete disorder, molecules not in contact. Move freely & are separated from each other

• Some disorder, molecules in contact. Move over and around one another but don't spread out

• Ordered arrangement, molecules in contact. vibrate but don't change position. Slow moving

Which of the following represents particles in a gas?

• Complete disorder, molecules not in contact. Move freely & are separated from each other

• Some disorder, molecules in contact. Move over and around one another but don't spread out

• Ordered arrangement, molecules in contact. Vibrate but don't change position. Slowest moving

Which of the following represents particles in a solid?

• Complete disorder, molecules not in contact. Move freely & are separated from each other

• Some disorder, molecules in contact. Move over and around one another but don't spread out

• Ordered arrangement, molecules in contact. Vibrate but don't change positions. Slowest moving

Which has the highest amount of energy?

• Solid

• Liquid

• Gas