Grade 8 Exam / General science Exam

A CO

B CO₂

C K₂O

D H₂O

A The space occupied by the body.

B The time rate of change of displacement.

C The amount of mass in a unit volume.

D The space bounded by a certain line.

A Speed

B Temperature

C Current

D Mass

A 2 × 10⁶ mm²

B 2 × 10⁶ cm²

C 2 × 10⁷ mm²

D 2 × 10⁷ cm²

A kg/m³

B g/cm³

C m/s

D m/s²

A It describes the amount of matter contained in a body.

B It is a derived physical quantity.

C It describes the distance between two points.

D It describes the duration between the beginning and the end of an event.

A Mega

B Tera

C Nano

D Micro

A 2 × 10⁴ cm

B 2 × 10⁵ mm

C 2 × 10^-1 km

D 2 × 10⁶ μm