Chemistry Quiz: Non-Living Things, Kinetic Theory, and Reactions

What are non-living things?

• Objects that grow and reproduce

• Objects that do not have life

• Objects that can respond to stimuli

• Objects that are made of cells

Which of the following is a natural non-living thing?

• Building

• Vehicle

• Machine

• Rock

What type of change involves a transformation that alters the chemical composition of a substance?

• Physical Change

• Mechanical Change

• Chemical Change

• Biological Change

Which of the following is an example of a physical change?

• Rusting of iron

• Burning wood

• Digesting food

• Melting of ice

What is the shape of a solid?

• Fluid shape

• Indefinite shape

• Definite shape

• Variable shape

In which state of matter do particles move rapidly and freely in all directions?

• Liquid

• Gas

• Plasma

• Solid

What do endothermic reactions do?

• Release heat

• Absorb heat

• Maintain temperature

• Increase pressure

Which of the following is an example of an exothermic reaction?

• Melting ice

• Combustion of fuels

• Cooking an egg

• Dissolving salt in water

What is a catalyst?

• A type of reactant

• A substance that slows down reactions

• A substance that speeds up reactions

• A product of a reaction

Which enzyme helps break down starches in the mouth?

• Amylase

• Pepsin

• Lactase

• Catalase