Science And Math Quiz Grade 7

7 Questions | By Rmananya | Updated: Mar 22, 2022 | Attempts: 4609

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Science and math are the most common subject that gives students hard time in different schools. Are you having some difficulties when it comes to math or science? Then the quiz below is exactly what you need to refresh your mind and learn some of the basic things you should know about the two in the seventh grade. Give it a try!

Questions and Answers

1.
- PHYSICS;
A BODY IS SAID TO BE IN MOTION IF:
- A.
  
  SPEED CHANGES
- B.
  
  DIRECTION
- C.
  
  POSITION CHANGES WITH RESPECT TO FIXED POINT
- D.
  
  NONE OF THESE
2.

SOLVE THE FOLL. NUMERICAL: A BOY STANDS AT A DISTANCE OF 168m FROM A HIGH WALL. HE SINGS A SONG AND HEARS THE ECHO AFTER 1 SECOND. CALCULATE THE SPEED OF AIR.
- A.
  
  345 m\s
- B.
  
  380 m\s
- C.
  
  336 m\s
- D.
  
  400 m\s
3.

THE TIME PERIOD OF A WAVE IS 0.25 SECONDS. FIND ITS FREQUENCY
- A.
  
  0 Hz
- B.
  
  9 HZ
- C.
  
  4 Hz
- D.
  
  8 Hz
4.

SOUND CAN TRAVEL IN VACCUM
- A.
  
  True
- B.
  
  False
5.

MATH: -2+3
- A.
  
  1
- B.
  
  -2
- C.
  
  -5
- D.
  
  None of thse
6.

IF ONE OR MAY CHROMOSOMES AE MISSING IN A CHILD AT BIRTH, IT CAUSES____________
7.

We have _____ bones in our body