Lessons

1

CER Writing: Ecosystems

2

Ecosystem Balance

ACT: on Ecosystems
3

Food Chains

ACT: { background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%); border: 2px solid #f59e0b; border-radius: var(--radius-lg); padding: var(--space-5); margin: var(--space-5) 0; } .fun-fact h4 { color: #b45309; margin-bottom: var(--space-2); display: flex; align-items: center; gap: var(--space-2); } /* Matching Game */ .matching-game { background: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 100%); border-radius: var(--radius-lg); padding: var(--space-6); margin: var(--space-6) 0; } .matching-game h4 { color: #4338ca; margin-bottom: var(--space-4); text-align: center; } .match-columns { display: grid; grid-template-columns: 1fr auto 1fr; gap: var(--space-4); align-items: start; } .match-column { display: flex; flex-direction: column; gap: var(--space-3); } .match-item { padding: var(--space-3); background: white; border: 2px solid #cbd5e1; border-radius: var(--radius-md); text-align: center; cursor: pointer; transition: all 0.2s ease; font-weight: 500; } .match-item:hover { border-color: #6366f1; background: #eef2ff; } .match-item.selected { border-color: #6366f1; background: #eef2ff; box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2); } .match-item.matched { border-color: #22c55e; background: #dcfce7; cursor: default; } .match-divider { display: flex; flex-direction: column; justify-content: center; align-items: center; gap: var(--space-3); color: #9ca3af; font-size: var(--text-2xl); } @media (max-width: 640px) { .match-columns { grid-template-columns: 1fr; } .match-divider { flex-direction: row; padding: var(--space-2) 0; } .chain-visual { font-size: var(--text-lg); } .chain-item .emoji { font-size: 1.8rem; } }
4

Guided Practice: Ecosystems

5

Investigation Lab: Ecosystems

6

Unit Checkpoint: Ecosystems