Conservation of Mass
This law states that mass cannot be created or destroyed in a chemical reaction.
What is the law of conservation of mass?
Which of the following is a physical change?
What is Melting ice?
Anything that is considered matter is made up of __________
What is Particles?
Why is understanding chemical reactions important in everyday life?
What is to help us understand cooking, cleaning, and how substances interact?
I can be cracked, made, told, and played. What am I?
What is a joke?
If 5 grams of reactant A reacts with 3 grams of reactant B, what is the total mass of the products?
What is 8 grams?
Which situation is an example of a chemical reaction?
What is Bubbles form when baking soda and vinegar are mixed?
Which of the following is true about water and ice?
What is They are made of the same types of particles?
How might the properties of rayon fiber make it a better choice for certain products, such as curtains, than cotton or silk?
What is Cotton and silk are more expensive than rayon, and curtains often require a lot of fabric to make?
What is always coming but never arrives?
What is tomorrow?
This demonstrates the law of conservation of mass when 10 grams of substance A reacts with 15 grams of substance B to form 25 grams of substance C.
What is the total mass of the reactants equals the total mass of the products?
Which situation is an example of a physical change?
What is Bubbles form when water boils in a pot?
Ice and salt are similar because they are both __________ that have __________ attractions holding atoms together in a crystalline structure.
What are Solids and Strong?
What happens to the mass of a substance during a chemical reaction?
What is it remains the same?
I am taken from a mine and shut up in a wooden case, from which I am never released. What am I?
What is a pencil lead?
Imagine you burn a piece of wood weighing 200 grams. After the wood burns, the remaining ashes weigh 50 grams. How can the law of conservation of mass explain the missing mass?
The missing mass is due to gases released during combustion.
What are some signs of a chemical reaction?
What are a) Change in temperature, b) Change in color, c) Formation of gas?
What is true about the particles inside balloons filled with air?
What is They are too small to see?
In which of the following situations does a new substance form?
What is A piece of wood burns on the fire?
What has keys but can’t open locks?
What is a piano?
In a closed system, why must the mass of the products always equal the mass of the reactants?
Because matter cannot be created or destroyed; it only changes forms.
In order for the iron wool to have experienced a chemical reaction, what must occur?
What is The iron atoms must bond with a different kind of atom or molecule to form a new type of molecule?
Which is true of all samples of a piece of carbon?
What is All samples will have the same density?
If energy is added to an object or particle, it can cause the object to ________.
What is move faster?
What can travel around the world while staying in a corner?
What is a stamp?