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# Properties of and Changes in Matter

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## Angela Janevska

on 11 March 2014

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#### Transcript of Properties of and Changes in Matter

Review from last class:

There are three states of matter. Does anyone remember what they are?

Properties of and Changes in Matter

By: Angela Janevska, Katrina Cotterchio &
Hanna Tittaferrante J/I Section 2
Can matter change?
Can anyone tell me the ways matter can change?

Physical Change
After a physical change matter looks, acts, or feels different but is still the same.

Example: water can change from a solid to a liquid, and back into a solid but yet it is
still water!

Chemical Change
After a chemical change, matter becomes something different and cannot be reversed.

Example: Once an egg is boiled, it cannot be unboiled!
Safety Rules
1. Do not drink or smell ANY of the substances being used in the experiment!!
2. Avoid eye contact
3. Hair tied back
4. Goggles
5. Lab aprons

GAS
SOLID
LIQUID
Experiment
# 1. You will have 90 seconds to perform this experiment
# 2. Warm up your hands by rubbing them together to create heat
# 3. The oldest person at the table will be the first one to grab the bag with the ice cube and try to melt it in his/her hands while the others at table keep warming up hands.
# 4. Once your hands get cold pass the bag to the person to your right.
# 5. Keep up this routine until the ice is melted in bag.
# 6. The first team to put their bag down and put their hands on their table wins!
Experiment
# 1. The youngest person at table will take the juice crystals package and open it carefully.
# 2. Pour the juice crystals into the baggie with the melted ice cube (water).
# 3. Zip up baggie and shake.
# 4. Observe what happens.
Experiment
# 1. In your water bottles there is baking soda.
# 2. In your balloons there is vinegar.
# 3. The person who is having their birthday next in your group carefully untwist the elastic from the balloon and wrap the mouth of the balloon around the top of the open bottle. Be careful not to spill the liquid!!
#4. Once the mouth of the balloon is securely wrapped around the bottle, lift up the balloon and pour the contents into the bottle.
# 5. Observe what happens.
Don't Touch
DO NOT TOUCH ANY OF THE OBECTS ON THE TABLE UNTIL FURTHER INSTRUCTED!
Expectations: Understanding Matter and Energy Grade 5
Specific Expectations:
2.3 Use scientific inquiry/ experimentation skills to investigate changes of state and changes in matter.
Overall Expectations:
2. Conduct investigations that explore the properties of matter and changes in matter.
Have students moving in station rotation rather than sitting in their assigned table groups.

Show a video of the instructions to make it easier

Peer help to assist with instructions or readings

Extra time to complete experiment

Pre - teaching, going over key words/vocab
Extensions
Experiment could be extended if teacher were to prepare less of the experiment in advance- instead, preparation could be done by the students.

Class could collaboratively create a list of variables which could be changed and measured/observed (amount of baking soda=affect on balloon inflation?)

Changes in matter could be cross-curricularly related to the weather system (geography).

Changes in matter could be related/carried into an energy and resources unit/lesson.

Assign students into groups to come up with their own presentation on the properties and changes of matter.
CORRECT!!!
Experiment Observations
It is now time to share what your group observed during each experiment!

Liquid
What did you notice? Do you think it was a chemical or physical change?
Solid
What did you notice? Do you think it was a chemical or physical change?
Gas
What did you notice? Do you think it was a chemical or physical change?
References
http://prezi.com/vvrfv2omzoa7/edit/#3