Students investigate what plants need to grow and develop properly. They are introduced to the concept of photosynthesis and experiment to find out what happens when a leaf is deprived of light.

Student Resources

• 4.1 Vocabulary
• 4.2 What Do Plants Need?
• 4.3 Do Plants Need Light?
• 4.4 What Do Plants Use for Food?
• 4.5 Section 4 Assessment

Learn by Reading

For additional content-area reading, check out the Houghton Mifflin Science eBook: Grade 2, Unit A, pages A10–A11.