Robotics 5

A rectangle field has a length of 150 m. Its width is one-third its length. What is the area of the field?

A square garden has a side length of 6 m. A gardener plants 4 flowers per square meter. How many flowers does he need to cover the whole garden?

Which are man-made materials?

• A. Ceramics

• B. Clay

• C. Soil

• D. Silk

A bowl of soup is a _____.

• A. mixture

• B. not a mixture

• C. natural

In which process does water change from a liquid to a gas or vapour?

• A. Collection (sự tổng hợp)

• B. Precipitation (sự kết tủa)

• C. Condensation (sự ngưng tụ)

• D. Evaporation (sự bay hơi)

Lack of Iodine can cause _______.

• A. Obesity

• B. Malnutrition (suy dinh dưỡng)

• C. Poor eye disease

• D. Goitor (bệnh bướu cổ)

At a supermarket, kiwi fruits cost $2.7 per kilogram. Jenny bought 6.5kg of kiwi fruits there yesterday. How much did she spend on the kiwi fruits?

Jenny bought a jacket for $19.5. She also bought 3 identical pairs of socks. She spent $37.8 in total. How much did each pair of socks cost?

Read and tick T (true) or F (false) Pepper and sand can dissolve in water. They are soluble.

How many types of nutritions are there?