Reading Two Sets of Results
K-2-ETS1-3
Read the record, then answer the questions.
Holding the Soil Back
Results from pouring the same pitcher of water down four model slopes in a tray. SOIL WASHED OFF THE SLOPE Bare soil .............. a big pile washed down Soil with grass on top .. hardly any washed down Soil with a stone wall ... a small pile washed down Soil with a plastic sheet . none washed down, but water ran off fast Same pitcher, same slope, same soil.
- 1. Which solutions kept the most soil in place?
- 2. What happened to the bare soil?
- 3. What does this record not tell you?
Which Material for a Raincoat?
Results from pouring the same cup of water over four materials stretched on a hoop. WATER THROUGH IN 30 SECONDS Plastic sheet ..... no water came through Waxed cloth ....... 2 drops came through Cotton ............ almost all came through Paper ............. all came through, and it tore Same cup of water, same hoop, same 30 seconds.
- 1. How much water came through the waxed cloth?
- 2. Which material kept the most water out?
- 3. What was kept the same in this test?
LessonPrint · K-2-ETS1-3 · Set 13 · free to copy for classroom use