Grade 7 science quiz: 10 questions
Atoms, acids, speed, cell division and the atmosphere. Play it live on phones with a QR code, or use the questions as they are.
Sample questions
These are one example. When you play, Brain Bell makes a new set of questions every game, so the class never gets the same quiz twice.
Two or more elements chemically joined together make a…
- metal
- compound
- mixture
Show answer
compound
Which planet has the biggest, brightest rings?
- Mars
- Mercury
- Saturn
Show answer
Saturn
Which part of the eye controls how much light gets in?
- The iris
- The retina
- The optic nerve
Show answer
The iris
Energy cannot be created or destroyed. It can only be…
- changed from one form to another
- stored forever
- made by machines
Show answer
changed from one form to another
Speed = distance ÷ …
- force
- mass
- time
Show answer
time
Which organ makes bile?
- The liver
- The heart
- The pancreas
Show answer
The liver
What is the chemical symbol for sodium?
- Na
- So
- S
Show answer
Na
Cell division that makes two identical cells is called…
- erosion
- osmosis
- mitosis
Show answer
mitosis
The smallest particle of an element is…
- an atom
- a cell
- a molecule
Show answer
an atom
In which part of a plant cell does photosynthesis happen?
- Mitochondria
- Chloroplasts
- Cell wall
Show answer
Chloroplasts