7th Grade Semester Exam

Front

What device do we use to measure temperature?

Back

Thermometer

Front

What is the formula for calculating speed?

Back

Speed = Distance / Time

Front

What represents an element on the periodic table?

Back

The element's chemical symbol

Front

What is the Chemical Symbol for Magnesium?

Back

Mg

Front

What is conduction in thermal energy transfer?

Back

Conduction is the process where the ground heats the air directly above it.

Front

What is the definition of thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter.

Front

What is the difference between conduction and convection?

Back

Conduction is heat transfer through direct contact, while convection is heat transfer through fluid movement.

Front

What is the purpose of a ruler?

Back

A ruler is used to measure length.

Front

What is the definition of a chemical symbol?

Back

A chemical symbol is a one or two-letter notation used to represent an element.

Front

What does the periodic table represent?

Back

The periodic table organizes all known chemical elements based on their properties.