wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

8th science

Total questions: 5

Worksheet time: 6mins

Name
Class
Date
1.

The atomic number for Fluorine 9, an atomic mass of 19. What is the number of neutrons?

a)

9

b)

10

c)

18

2.

What is an example of a trait?

a)

Blood type

b)

Eye color

c)

Height

d)

IQ level

3.

The microscope was invented in this period of time:

a)

1616s

b)

1006s

c)

1600s

4.

Which is the best example of a pure substance?

a)

peanuts

b)

gold

5.

8.6C (2019-Q 16)

A large rock is motionless on a flat sidewalk. Which statement best explains why the rock remains motionless?

a)

F There are no forces acting on the rock.

b)

G The only force acting on the rock is directed toward the sidewalk.

c)

H The forces acting on the rock are all balanced.

d)

J The sidealk exerts an unbalanced force ont the rock.