22

Quiz
•
Science
•
7th Grade
•
Hard
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
DRAW QUESTION
1 min • 1 pt
Draw a labelled diagram to show how long sight can be corrected with suitable lens.

Answer explanation
Label the diagram:
- Light ray from near object (1)
- Convex lens (1)
- Thin lens (1)
Ray diagram***USE RULER*** :
- Light from near object (1)
Lens for correction of short sight:
- Convex lens 凸透镜 (1)
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
If a person suffers from astigmatism, which part of the eye is/are unevenly curved? (Choose more than one answer)
A
B
C
D
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which part(s) is/are muscle(s) in the eye?
A & D
B & E
C & F
G & H
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the function of C?
regulates the amount of light entering the eye
controls the size of the pupil
its thickness changes to help focus light
protects the eyeball
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the atomic number of Titanium?
20
21
22
23
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many pairs of chromosomes are found in a typical human cell?
20
21
22
23
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which element has the atomic number 22?
Scandium
Titanium
Vanadium
Chromium
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