☰ Contents · Natural science

The properties of air; water and its properties

Lessons 34–35 · 2 lessons · Y.V. Malikova, S.V. Kosyanenko. Natural Science Grade 4, Part 1. Novda Edutainment, Tashkent, 2023; S.V. Kosyanenko, Y.V. Malikova, O.E. Tigay. Natural Science Grade 4, Part 2. Novda Edutainment, Tashkent, 2023
Answers are for parents and teachers.
1
Write four properties of air with examples.
2
At home, compare the mass of air with two identical balloons and a balance. Ask an adult to help.
3
Put the properties of water in a table.
4
Write five substances that dissolve and do not dissolve in water.