On The Move
In this activity students will observe and investigate some of the properties of water. They will do this activity as one of many inquiry lessons to learn about the concept of diffusion.
The students will raise questions about the natural world, make careful observations and seek answers
The students will understand that objects have physical properties
Students will observe, describe, and compare water
Students will record observations on a special science sheet
Students will communicate and share ideas
Students will understand that observation is an important part of the scientific process.
Context for Use
Resource Type: Activities:Classroom Activity
Grade Level: Primary (K-2)
Description and Teaching Materials
Set the children up in formal cooperative groups. Introduce this lesson and have the children set it up with their group at the same time. Talk with your students about how we will be watching this and recording what we see for two days. Have the students set it all up, put their names on their index card, make an observation, and set it safely in the correct spot.
¼ teaspoon (1ml) salt
green food coloring
clear juice glass
The students begin by measuring ¼ cup of tap water into a measuring cup. They add salt and 5 drops of coloring and stir it all together. They then fill the glass one-fourth full with water and tilt the glass and slowly pour the green salt water down the side. Then they will cover the top of the glass with the index card, draw or write an observation and place it where it will not be disturbed. They will then make a new observation they next day and again on the last day. At first the green salty water settles to the bottom of the glass and the clear water floats on the top. After 2 days all of the liquid in the glass is green. When the group has taken observations for the time allotted have the groups discuss and share their findings. Rubric Self Eval working with my group (Microsoft Word 196kB Jul31 08)
Teaching Notes and Tips
Grade 1 History and Nature of Science I B.1
Grade 1 Physical Science structure of Matter II A. 1