Reactants and Products
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Objective
I can identify the reactants and products in a chemical reaction.
Part 1 of 4
Warm-up video
Khan Academy · 4:21Vetted channel
We don't generate video — this one is by Khan Academy on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 4
Key concepts
3 concepts
- 1
In a chemical reaction, new substances are created due to the rearrangement of atoms.
- 2
The substances present before a chemical reaction are called reactants, while the substances produced after the reaction are called products.
- 3
During a chemical reaction, the mass of the reactants and the mass of the products are the same because atoms are only being rearranged, not created or destroyed.
Part 3 of 4
Practice
12 questions
What is the defining characteristic of a chemical reaction, as opposed to a physical change?
In the reaction of hydrogen and oxygen to form water, identify the reactants and the product.
Part 4 of 4
Exit ticket
Quick comprehension check
“Identify the reactants and products in the following chemical reaction: Hydrogen and oxygen combine to form water (H₂O).”
Sample answer included in the free materials
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