Units / Unit A / Predicting Products and Balancing Practice

Predicting Products and Balancing Practice

Predict products for POS reaction types and balance (A-GO3-SO7, SO5).

Full lesson guide (printable)

Outcome checklist

Alberta Program of Studies — tick each row when you can explain it without the slide.

A-GO3-SO7
By the end of this lesson you should be able to: Predict the products of formation (synthesis) and decomposition, single and double replacement, and hydrocarbon combustion chemical reactions, when given the reactants
Self-check: Without looking at your notes, give one example or explanation that shows you meet A-GO3-SO7.
A-GO3-SO5
By the end of this lesson you should be able to: Classify and identify categories of chemical reactions; i.e., formation (synthesis), decomposition, hydrocarbon combustion, single replacement, double replacement
Self-check: Without looking at your notes, give one example or explanation that shows you meet A-GO3-SO5.
A-GO3
Big idea: Identify and classify chemical changes, and write word and balanced chemical equations for significant chemical reactions, as applications of Lavoisier's law of conservation of mass
Self-check: How does today's lesson connect to A-GO3?

Where this shows up later

Unit A — Stoichiometry: Conservation and moles quantify products.

Glossary

activity series: Key vocabulary for this lesson (activity series). Use your class notes and the slide explanations to state it in your own words — Alberta Science 10 expects you to use this term correctly in context.
solubility: Key vocabulary for this lesson (solubility). Use your class notes and the slide explanations to state it in your own words — Alberta Science 10 expects you to use this term correctly in context.
complete combustion: Key vocabulary for this lesson (complete combustion). Use your class notes and the slide explanations to state it in your own words — Alberta Science 10 expects you to use this term correctly in context.

Lab and demo watch-outs

Classroom safety
Follow school rules for equipment, goggles, and fire safety even during thought experiments.
Any time hands-on work is suggested.

Slide 1 of 813%

Hook

Can you predict the product?

Chemists predict before they run — saves time and improves safety.

Core explanation

We start with a real situation: Chemists predict before they run — saves time and improves safety. Your job is to notice evidence and ask questions before memorizing definitions.

Check your understanding

Can you connect this slide to something we learned earlier today?

Explain moreDeeper teaching notes — read like a tutor explaining the idea

Unit A — Predicting Products and Balancing Practice: Reaction type and solubility rules narrow what products are reasonable. On this slide («Can you predict the product?»), the science story is: Chemists predict before they run — saves time and improves safety. Read like a tutor: connect each bullet to evidence or a model, not memorized wording. Alberta Science 10 expects you to explain ideas in class discussions and written work — this slide supports outcomes A-GO3-SO7, A-GO3-SO5.

Worked example(s)Step-by-step reasoning, not just answers

Apply: Can you predict the product?
1. State the core idea: Chemists predict before they run — saves time and improves safety.
2. Link to a second point: Chemists predict before they run — saves time and improves safety.
3. Give one Alberta or daily-life example that fits both ideas.
4. Check your example against the slide — would your teacher agree?
Why this works: Application proves understanding beyond repeating bullets.

Common mistakes to avoid

Double replacement always produces a precipitate.
On «Can you predict the product?», use the slide model and vocabulary (activity series, solubility, complete combustion) to replace this idea.

Try it yourself

Teach «Can you predict the product?» aloud in 60 seconds using two bullets and one vocabulary word from activity series.