Science: Chemical Reactions and Thermal Properties

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What is the process of breaking down food in our bodies to release nutrients?

Fermentation

Baking

Digestion (correct)

Evaporation

Which of the following is the primary factor that affects the pressure of a gas?

Volume of the container

Number of particles (correct)

Shape of the container

Color of the gas

What is the difference between evaporation and boiling?

Boiling occurs rapidly, while evaporation occurs slowly

Evaporation occurs rapidly, while boiling occurs slowly

Evaporation occurs at the surface, while boiling occurs throughout the liquid (correct)

Boiling occurs at the surface, while evaporation occurs throughout the liquid

What causes a balloon to inflate when heated?

Particles moving faster and colliding with the surface Signup and view all the answers

What is the result of evaporation on a liquid?

Cooling of the liquid Signup and view all the answers

What is the process of dough rising due to a chemical reaction between yeast and other ingredients?

Baking Signup and view all the answers

What is the main reason for thermal expansion in substances?

Particles gain energy and move faster Signup and view all the answers

What happens to the metal ball in the experiment when it is heated?

It expands and will not pass through the ring Signup and view all the answers

What is NOT a factor that affects evaporation?

Color of the surface Signup and view all the answers

What happens to the metal ball in the experiment when it cools down?

It contracts and returns to its original size Signup and view all the answers

What is the result of thermal expansion in a solid?

The solid expands and becomes larger Signup and view all the answers

What is the term for the process of changing from a liquid to a gas?

Evaporation Signup and view all the answers

What type of change occurs when wood is burned to produce ash and smoke?

Chemical Change Signup and view all the answers

What is the term for the temperature at which a substance changes from liquid to gas?

Boiling Point Signup and view all the answers

What is the process called when a substance reacts with oxygen, often leading to rust or tarnish?

Oxidation Signup and view all the answers

What is the term for the process of changing from a gas to a liquid?

Condensation Signup and view all the answers

What type of change occurs when iron reacts with oxygen to form iron oxide (rust)?