Midterm test

Front

Which SI unit is used to measure time?

Back

The SI unit used to measure time is the second (s).

Front

What category of element usually forms a positive ion?

Back

Metals usually form positive ions because they tend to lose electrons.

Front

How many centimeters are in 4.75 meters?

Back

There are 475 centimeters in 4.75 meters.

Front

What is happening to an object while it is in the solid phase?

Back

In the solid phase, the temperature and kinetic energy of the object are increasing.

Tags

NGSS.MS-PS1-4

Front

What must be changed during condensation?

Back

During condensation, heat energy must be changed.

Tags

NGSS.MS-PS1-4

Front

What is the definition of a positive ion?

Back

A positive ion is an atom that has lost one or more electrons, resulting in a net positive charge.

Front

What is the relationship between temperature and kinetic energy in solids?

Back

In solids, as temperature increases, the kinetic energy of the particles also increases.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is the formula to convert meters to centimeters?

Back

To convert meters to centimeters, multiply the number of meters by 100.

Front

What is the definition of condensation?

Back

Condensation is the process by which a gas turns into a liquid, usually when it loses heat energy.

Tags

NGSS.MS-PS1-4

Front

What are the characteristics of metals?

Back

Metals are typically shiny, good conductors of heat and electricity, and malleable.