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One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
Answer to place stones and capture territory.
Outrun the snow together.
Earn blasts, then hunt the other team.
Answer to earn energy, then climb.
The class blasts through walls together.
Bid on mystery lots. Most money wins.
Sell tours. Nice, standard, or a total scam.
Answer, restock, and serve the rush.
More correct answers pulls the rope your way.
Answer, then shoot down the alien wave.
Answer, then tap to leap the frozen ridge.
Which of the following is the simplest form of matter that cannot be broken down into simpler substances by ordinary chemical means?
Which of the following is an example of an element?
What is the smallest unit of an element that retains the chemical properties of that element?
Which of the following is a compound?
A compound is formed when two or more elements are:
Which of the following represents a molecule of water?
How many different elements are present in carbon dioxide (CO₂)?
Which statement correctly describes a molecule?
Which of the following contains only one kind of atom?
Which pair consists of a compound and an element, respectively?
Which statement about compounds is TRUE?
Salt (NaCl) is classified as a compound because it:
Which of the following is a molecule made up of two atoms of the same element?
Who is commonly credited with developing the first widely recognized periodic table?
Dmitri Mendeleev arranged the elements primarily according to their:
What was one important contribution of Mendeleev to the development of the periodic table?
Which scientist proposed the Law of Octaves?
John Newlands observed that when elements were arranged by increasing atomic mass, their properties repeated every:
Who arranged elements according to increasing atomic number?
Why was Henry Moseley's work important in the development of the modern periodic table?
Which scientist developed an early classification of elements into metals, nonmetals, and gases?
What is the main basis for arranging elements in the modern periodic table?
Elements in the same group or column of the periodic table generally have similar:
Which statement best explains why the periodic table is useful to scientists?
Which sequence correctly shows an important development in the periodic table?
Crack the passcode before the zombies get in.
Answer, then swat bugs for bonus points.
Race through questions at your own speed.
Same question on every screen. Fastest wins.
Pick a tile, answer, hit bonuses and steals.
SCIENCE 9 PRE-LESSON ACTIVITY
20 questions
