What is the term for "anything that takes up space."
Matter
What type of change is ice melting?
Physical
Name one sign that a chemical change has occurred.
Change in color, change in properties, creation of something new (like a gas), change in smell
What are the three main states of matter?
Solid, liquid, gas
What is my favorite hobby?
Making bread
Alayah had 5 grams of baking soda and 20 grams of vinegar and mixed them together. How much did the reaction of baking soda and vinegar weigh post reaction?
25 grams
What type of change is paper burning?
Chemical
What is produced when baking soda and vinegar react?
Carbon dioxide
In which state do particles move freely and take the shape of their container?
Liquid
How many sisters do I have?
1
What phase will Agate be at 1650°C?
Liquid
Can physical changes be reversed? Give an example.
Freezing water to make ice, then unfreezing it to get water.
How can you tell if a gas is created from a chemical change?
Bubbles are released.
What state of matter is characterized by a definite shape and volume?
Solid
Who is my roommate?
Ms. Graham
Silver has a melting point of 100 C and a boiling point of 200 C. Gold has a melting point of 150 C and a boiling point of 225 C. The jeweler heats the pit to 175 C. Which of the following is true about the state of both silver and gold?
Silver will be a liquid and gold will be a liquid
Answers will vary.
How can I use temperature to check for a chemical change?
It will increase or decrease
What happens to particles in a gas as they cool?
They get closer together and form a liquid.
Who is my favorite student?
TRICK QUESTION!! All of you
Will alcohol undergo a phase change if the temperature goes from 120°C to 60°C?
Yes, it will condensate.
What is an example of a physical change that involves a change in state?
Boiling water
If a chemical reaction occurs, which of these are NOT evidence?
change in color, formation of a gas, formation of a solid, change in temperature, release of light, making an elephant appear
elephant. that was an easy one.
What state of matter has no definite shape, and no definite volume?
Gas
Who is the best 5th grade teacher?
Me, obvs.