Grade 2 | SCIENCE
WEEK 3 • PRACTICE WORKBOOK • DAYS 11–15
Read the matching lesson in the Week 3 Student Textbook first. Write each answer on the line below its question. Day 15 is answered on your own.
Fillable Practice PDF: Download or open the Week 3 fillable workbook. Type answers into the labeled fields, then save your completed copy.
Week 3 Student Textbook | Week 3 Practice Workbook | Week 3 Teacher Guide | Week 2 Student Textbook | Week 4 Student Textbook | Grade 2 index
Day 11: What Plants Need to Grow
Plant check
| Plant | What we saw |
|---|---|
| Plant A | Kept in a dark closet; pale and thin |
| Plant B | Packed in a tiny pot with five other plants; small and crowded |
| Plant C | Near a sunny window and watered; green and healthy |
- Which plant has what it needs?
Answer: _________________________________________________
- Which need is Plant A missing?
Answer: _________________________________________________
- Which need is Plant B missing? Explain how you know.
Answer: _________________________________________________
_____________________________________________
Day 12: Planning a Fair Test
Leo’s water test plan
| Plant 1 | Plant 2 | |
|---|---|---|
| Kind of plant | Bean | Bean |
| Starting height | 3 cm | 3 cm |
| Pot size | Same | Same |
| Soil | Same potting soil | Same potting soil |
| Light | Sunny window | Sunny window |
| Water | A little each day | None |
- What is the one thing Leo is changing?
Answer: _________________________________________________
- Name two things Leo kept the same.
Answer: _________________________________________________
- Explain why it would not be a fair test if Plant 2 were also kept in a dark closet.
Answer: _________________________________________________
_____________________________________________
Day 13: Reading Test Results
Leo’s results (height in centimeters)
| Day | Plant 1 (watered) | Plant 2 (no water) |
|---|---|---|
| Day 1 | 3 cm | 3 cm |
| Day 5 | 6 cm | 4 cm, drooping |
| Day 10 | 10 cm | 4 cm, brown and dry |
- How tall was Plant 1 on Day 10?
Answer: _________________________________________________
- How much did Plant 1 grow from Day 1 to Day 10?
Answer: _________________________________________________
- What do Leo’s results show about plants and water? Use the data in your answer.
Answer: _________________________________________________
_____________________________________________
Day 14: Too Much or Too Little
Three pots of the same plant
| Pot | Water each day | After two weeks |
|---|---|---|
| Pot A | None | Dry and wilted |
| Pot B | A small cup | Green and growing |
| Pot C | Filled to the top | Yellow leaves, soggy soil |
- Which pot got the right amount of water?
Answer: _________________________________________________
- What happened to the plant in Pot A?
Answer: _________________________________________________
- Explain why Pot C did poorly even though it got the most water.
Answer: _________________________________________________
_____________________________________________
Day 15: Independent Check: Plants and Fair Tests
Mia’s soil test
| Plant 1 | Plant 2 | |
|---|---|---|
| Kind of plant | Bean | Bean |
| Pot size | Same | Same |
| Water | Same each day | Same each day |
| Light | Sunny window | Sunny window |
| Planted in | Garden soil | Sand |
| Height after 2 weeks | 9 cm | 5 cm |
Answer on your own. An adult may read the questions aloud but should not give the answers.
- What variable did Mia change?
Answer: _________________________________________________
- Which plant grew taller?
Answer: _________________________________________________
- Was Mia’s test fair? Explain using the table.
Answer: _________________________________________________
_____________________________________________
Week 3 Student Textbook | Week 3 Practice Workbook | Week 3 Teacher Guide | Week 2 Student Textbook | Week 4 Student Textbook | Grade 2 index