A chemical change occurs when matter changes into other substances with

If Ava dyes a t-shirt, this is a

Which of the following is NOT an indication of a chemical change?

When leaves change color in the fall, this is an example of a __________change

Which scientist discovered the law of conservation of mass?

When exposure to water and the atmosphere changes the composition of rocks and minerals, this is called

In a chemical equation, these are to the left of the arrow.

In a chemical equation, these are to the right of the arrow

These describe the number of atoms of an element in a compound

The number in front of the element symbol or chemical formula. For example, the two in 2(CO)

The _________energy particles have, the more they move and ___________ with each other.

_____________chemical bonds requires energy

_____________chemical bonds releases energy

In a ________________chemical reaction, MORE energy is required on the reactants side than is released on the products side

In a ________________chemical reaction, LESS energy is required on the reactants side than is released on the products side

Which of the following is an example fo an endothermic reaction?

The ____________________________ states that even though energy is always transferring, energy is not created or destroyed.

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