7th SCIENCE

1. Which of the following is a derived quantity?

a) mass b) time c) area d) length

2. Which of the following is correct?

1L=100cc 1L=1cc 1L=1000cc 1L=10cc

3. SI unit of density is_____

a) kg/m[sup]2[/sup] d) g/m[sup]3[/sup] c) kg/m b) kg/m[sup]3[/sup]

4. Two spheres have mass and volume in the ratio 2:1. The ratio of their density is ______

d) 1:4 a) 1:2 b) 2:1 c) 4:1

5) Light year is the unit of _____

b) TIME a) distance c) density d) both length and time

Informatie: 7th SCIENCE