What Plants Need
Grade 2 - Science - Building Confidence
Read the plant setup: Plant B has light, air, and soil but gets no water. What need is missing?
- sunlight
- shade
- water
Which plant part is connected to this job: takes in air?
- leaf
- stem
- roots
Which observation is evidence that the plant needed sunlight?
- the plant is pale and bends toward the window
- the plant has a name
- the pot is blue
Which fair test checks whether a plant needs sunlight?
- give one plant light and keep one plant in darkness
- change light, water, and pot size together
- use two different plant kinds and different rooms
The graph compares plants with water and plants missing water. What claim does the evidence support?
- plants never change
- plants grow better when needs are met
- rulers make plants taller
Read the plant setup: Plant C has light and water but is sealed away from fresh air. What need is missing?
- air
- paint
- strong light
Which plant part is connected to this job: take in water?
- leaf
- flower
- roots
Which observation is evidence that the plant needed space?
- the plant has a name
- the ruler is plastic
- the roots are packed tightly and growth slows
Which fair test checks whether a plant needs strong light?
- compare a dim place with a bright place
- guess after one minute
- change light, water, and pot size together
The graph compares plants with space and plants missing space. What claim does the evidence support?
- plants grow better when needs are met
- plants never change
- rulers make plants taller