8.SCI.6.E
Investigate how mass is conserved in chemical reactions and relate conservation of mass to the rearrangement of atoms using chemical equations, including photosynthesis.
Grade 8 · Texas Essential Knowledge and Skills (TEKS) · TEKS 2022
Standard Unwrapping
AI-generated as a starting point — sign in to edit.Vocabulary
masschemical reactionsconservation of massrearrangement of atomschemical equationsphotosynthesis
Skills
- investigate (how mass is conserved in chemical reactions) #dok3
- relate (conservation of mass to the rearrangement of atoms) #dok3
- model (the conservation of mass in chemical equations) #dok2
- analyze (chemical equations, including photosynthesis) #dok2
- explain (how mass is conserved using chemical equations) #dok2
Learning Targets
- I can identify the law of conservation of mass in a chemical reaction. #dok1
- I can recognize the rearrangement of atoms in a chemical equation. #dok1
- I can explain how the total mass of reactants equals the total mass of products in a closed system. #dok2
- I can model the conservation of mass using chemical equations, including photosynthesis. #dok2
- I can investigate how atoms are rearranged in chemical reactions to demonstrate conservation of mass. #dok3
- I can relate the conservation of mass to the rearrangement of atoms in a chemical reaction. #dok3
Big Ideas
- Mass is conserved during chemical reactions because atoms are neither created nor destroyed—only rearranged.
- Chemical equations, such as those representing photosynthesis, illustrate the conservation of mass by showing balanced numbers and types of atoms on both sides.
Essential Questions
- How is mass conserved during a chemical reaction?
- What does the rearrangement of atoms look like in a chemical equation such as photosynthesis?
- Why is it important for chemical equations to be balanced?
- How does modeling a chemical reaction help us understand conservation of mass?
- In what ways does photosynthesis demonstrate the law of conservation of mass?