
What's the most abundant liquid on Earth?
Fresh water
Salt water
Oil
Magma

At what temperature does water boil at sea level?
90°C
100°C
110°C
120°C

Which famous scientist first discovered that water can exist as a solid, liquid, and gas?
Isaac Newton
Aristotle
Galileo Galilei
Robert Boyle

What percentage of the human body is water?
40-50%
50-60%
60-70%
70-80%

Which state of matter is honey?
Solid
Liquid
Both solid and liquid
Neither

What's the most common state of matter on Earth's surface?
Solid
Liquid
Gas
Plasma

Which everyday object contains all three main states of matter?
Light bulb
Refrigerator
Car engine
Neon sign

What happens to water's volume when it freezes?
Decreases
Increases
Stays the same
Disappears

Which state of matter is found in a typical balloon?
Solid
Liquid
Gas
Plasma

What natural phenomenon creates plasma on Earth?
Rainbows
Lightning
Earthquakes
Volcanoes

Which common kitchen item changes from solid to liquid to gas when cooking?
Salt
Sugar
Butter
Oil

What state of matter is toothpaste?
Solid
Liquid
Gas
Non-Newtonian fluid

Which planet is made mostly of liquid hydrogen?
Mars
Venus
Jupiter
Saturn

What happens to most materials when they're heated?
Contract
Expand
Stay same size
Disappear

Which state of matter is found in glow sticks?
Solid only
Liquid only
Both solid and liquid
Plasma

What temperature is 'absolute zero'?
-273.15°C
-100°C
-500°C
0°C

Which common substance skips the liquid phase when heated?
Ice
Dry ice
Sugar
Salt

What state of matter is fire?
Solid
Liquid
Gas
Plasma

Which household appliance uses all states of matter to work?
Toaster
Microwave
Refrigerator
Blender

What state of matter takes up the most space in the known universe?
Solid
Liquid
Plasma
Gas