Physics and society. Physical terms
Answers are for parents and teachers.
1
Choose 4 bodies at home and write the substance each is made of.
Sample: spoon — steel; tumbler — glass; pencil — wood; bucket — plastic.
2
Ulugbek was born in 1394 and died in 1449. How many years did he live?
55
3
Give three physical phenomena and one chemical phenomenon (burning).
Physical: ice melting, a wheel turning, light from a lamp; chemical: wood burning.
4
Define a physical law in your own words.
A quantitative relation between quantities describing a phenomenon is a physical law.