a. Chất rắn không chảy được: ví dụ đá, sắt, gỗ.

b. Chất lỏng khó bị nén: ví dụ nước, dầu ăn, rượu.

c. Chất khí dễ bị nén: ví dụ khí oxy, khí nitơ, không khí trong bình xe đạp.

• Lau dọn chỗ thí nghiệm: để sạch sẽ, an toàn.
• Sắp xếp dụng cụ: dễ tìm, không bị hỏng.
• Rửa tay bằng xà phòng: để sạch hóa chất, bảo vệ sức khỏe.

I dream of having a robot named franky . it's a small home robot. franky can tidy up rooms, make simple meals, and even water my plants. I want franky because it can help me with daily chores, so I will have more time to relax and play with my friends.

1. robot work can guards im portant places

2. ha noi famous with delicious its street food

3.What type house you live future?

4.Pack your lunch lunch box instead plastic bag. 

This summer, I got to travel to Da Nang, which is about 581km from Hung Yen. I got there by train. There, I went swimming. I feel that Da Nang is wonderful with famous sights.