October 14 AR 1:34 – 1:49 pm 1
Student Planner October 14 Place this in the proper place Notebooks due in 8 class days for triad 2 final grade
Write the answer to answer October 13th Essential Question: What is the difference in floating of dry and water ice? 4
Took vocabulary test. Completed water ice lab. Review of October 13th Took vocabulary test. Completed water ice lab. Write in full sentences your summary and list one thing you learned 3
Solids –forming salt crystals Topic/Objective: Name: Solids –forming salt crystals Class/Period: Date: Oct 14, 2016 Essential Question: The mixture of salt and water is known as ____, and we use a solution that is __________ in salt concentration.
1. Salt is made up of which 2 elements?
2. How does heating the water increase its ability to hold salt?
3. What are the flat surfaces of a crystal called?
4. Name an abundant crystal that forms quickly in cold, low pressure conditions.
Answers
1. Salt is made up of which 2 elements?
1. Salt is made up of which 2 elements? Sodium – Na Chlorine - Cl
2. How does heating the water increase its ability to hold salt?
2. How does heating the water increase its ability to hold salt 2. How does heating the water increase its ability to hold salt? Expands the distance between water molecules providing greater space. Also, increases the speed of the water molecules increasing the ability to stir the salt into the water
3. What are the flat surfaces of a crystal called?
3. What are the flat surfaces of a crystal called? Facets
4. Name an abundant crystal that forms quickly in cold, low pressure conditions.
4. Name an abundant crystal that forms quickly in cold, low pressure conditions. Snow
State Standards Structure of Matter d. Students know the states of matter (solid, liquid, gas) depend on molecular motion. e. Students know that in solids the atoms are closely locked in position and can only vibrate; in liquids the atoms and molecules are more loosely connected and can collide with and move past one another; and in gases the atoms and molecules are free to move independently, colliding frequently.
HOMEWORK Make up your missing work. Notebook collection in 8 days, all triad work due in 10 days. 15
Today’s Work Salt Crystal Lab