Grade 7 · Chemistry
This quiz helps revise “Substances and elements” in Chemistry for grade 7. It has 25 questions in five categories: Name the substance, Mix and separate, Inside the atom, Element symbols, Reading formulas. Questions get harder as the points go up, from 100 to 500.
The 100- and 200-point questions are open here. The rest show only their first words, and there are no answers: all of that is in the game itself.
What pictured substance is a reddish metal that conducts electricity very well?
What pictured substance is a yellow, brittle nonmetal solid at room temperature?
What pictured metal is…
In the gameWhich low-density, nonflammable gas…
In the gameWhat substance is a…
In the gameAir contains several gases in varying proportions. Is it a pure substance or a mixture?
Salt dissolves completely in water to form a uniform mixture. What is this type of mixture called?
What pictured method traps…
In the gameWhat method recovers salt…
In the gameWhat pictured method can…
In the gameWhat is the smallest particle of an element that still has that element's chemical properties?
What do we call a particle made of two or more chemically bonded atoms?
Which atomic particle has…
In the gameWhich part of an…
In the gameWhat number on the…
In the gameWhat is the chemical symbol for aluminium?
What is the chemical symbol for magnesium?
What is the…
In the gameWhat is the…
In the gameWhat is the…
In the gameWhat is the chemical formula for water?
What is the formula of ordinary oxygen gas?
What is the chemical…
In the gameWhat is the…
In the gameWhat is the…
In the gameAll 25 questions and the answers are in the game. Invite your class or friends with a link — guests need no account.