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WorksheetsScience True/False and MCQ Quiz
Total questions: 40
Worksheet time: 20mins
Personal protective equipment includes goggles, gloves, and lab coats for chemical handling.
True
False
The flame symbol represents a corrosive substance.
True
False
The scientific method begins with forming a hypothesis.
True
False
Solids have a definite shape and volume.
True
False
A chemical change occurs when water freezes into ice.
True
False
A mixture can be separated by physical means.
True
False
The SI unit for mass is the gram.
True
False
Density is a characteristic property used to identify substances.
True
False
Electrons contribute significantly to an atom's mass.
True
False
The atomic number of an element equals the number of protons in its nucleus.
True
False
The Periodic Table organizes elements by their atomic masses.
True
False
Group 1 elements are also known as alkali metals.
True
False
Elements in the same group have similar properties.
True
False
A graduated cylinder is used for measuring liquid volume precisely.
True
False
Energy levels in atoms can hold a fixed number of electrons.
True
False
Metals lose electrons to form positive ions.
True
False
Substances with higher density float on those with lower density.
True
False
All substances expand when cooled.
True
False
Beakers are used for precise measurements of liquid volume.
True
False
The wafting technique is used to safely taste chemicals.
True
False
The density of water is 1.0 g/cm³.
True
False
The first shell of an atom can hold a maximum of 8 electrons.
True
False
The mol is the SI unit for the amount of substance.
True
False
Evaporation is an example of a chemical change.
True
False
The flame symbol represents flammable substances.
True
False
Which of the following is an example of a physical change?
Rusting of iron
Burning wood
Melting ice
Baking a cake
What does the toxic symbol (skull and crossbones) indicate?
Corrosive substance
Explosive substance
Poisonous substance
Irritant substance
The SI unit for temperature is:
Celsius
Fahrenheit
Kelvin
Joule
Which tool is best for measuring the volume of a liquid?
Beaker
Test tube
Measuring cylinder
Mortar and pestle
What is the density of a block with a mass of 150g and a volume of 50cm³?
2 g/cm³
3 g/cm³
4 g/cm³
5 g/cm³
Which element has an atomic number of 6?
Hydrogen
Oxygen
Carbon
Nitrogen
In ionic bonding, metals tend to:
Gain electrons
Share electrons
Lose electrons
Remain neutral
The most reactive elements are found in which group of the Periodic Table?
Group 1
Group 2
Group 14
Group 18
Which of these is an example of a heterogeneous mixture?
Saltwater
Air
Oil and water
Brass
Sublimation is the process of:
Liquid turning into gas
Solid turning directly into gas
Gas turning into liquid
Solid turning into liquid
Which particle determines the identity of an element?
Proton
Neutron
Electron
Valence electron
Which of these best describes a chemical property?
Melting point
Density
Reactivity with acid
Boiling point
The number of neutrons in an atom can be calculated by:
Adding atomic mass and atomic number
Subtracting atomic mass from atomic number
Subtracting atomic number from atomic mass
Dividing atomic mass by atomic number
Which lab equipment is used to heat substances without an open flame?
Bunsen burner
Hot plate
Test tube
Thermometer
What is the term for a vertical column in the Periodic Table?
Group
Period
Block
Shell
