Design background

In daily life, I found that children are interested in small sand-like objects, so I came up with the idea of doing this theme activity.

moving target

1, explore physical interests and observe hands-on ability through experimental training.

2. There is a gap in the initial understanding of sand.

3, preliminary contact with the concept of volume, and learn to intuitively judge the size of the volume.

Important and difficult

Pay attention to children's practical ability.

The difficulty: let the children put the sand into the container cleanly and keep the basic environmental sanitation.

Activities to be prepared

Experience preparation: simple experience in operating experimental instruments.

Material preparation: experimental instruments and materials.

Activity process

First, how did the sand become less in the hands-on experiment?

1 Fill five measuring cups with the same volume of sand and water respectively. {Three glasses of water and two glasses of sand}

Add the prepared water into a measuring cup filled with sand, and then combine the remaining two glasses of water into one cup.

3 Observe the experimental results and discuss them.

Second, the operation experiment

1 Divide the children into two groups and do the same experiment with stones and sand, soybeans and millet.

Group report and discuss the experiment.

Third, voice training.

Ask children to describe the experimental results in accurate and fluent language.