Semester 1 Rewind

Front

What are the two elements in the compound H₂O?

Back

Hydrogen (H) and Oxygen (O)

Front

What type of heat transfer occurs when a lizard warms up from a lamp?

Back

Radiation

Front

Is salt (NaCl) a compound or an element?

Back

Compound

Front

What is the unit of speed represented by 5 kilometers per hour?

Back

Speed is the distance traveled in a specific time.

Front

What does the graph indicate about the horse's travel between 0 and 60 seconds?

Back

The horse travels 1.0 kilometers in 60 seconds.

Front

Define an element in chemistry.

Back

A pure substance that cannot be broken down into simpler substances.

Front

What is a compound?

Back

A substance formed when two or more elements chemically bond together.

Front

What is the difference between conduction, convection, and radiation?

Back

Conduction is heat transfer through direct contact, convection is heat transfer through fluid movement, and radiation is heat transfer through electromagnetic waves.

Front

What is the formula for calculating speed?

Back

Speed = Distance / Time

Front

What is the significance of the chemical formula NaCl?

Back

It indicates that sodium (Na) and chlorine (Cl) combine in a 1:1 ratio to form table salt.