CKLA Domain 6 Review

A life cycle the stages a living things goes through from birth to adult.

• True

• False

Answer explanation

A life cycle indeed refers to the stages a living thing goes through from birth to adulthood, including growth and reproduction. Therefore, the statement is true.

The Earth's rotation causes daytime and nighttime.

• True

• False

Answer explanation

True. The Earth's rotation on its axis leads to the cycle of day and night, as different parts of the planet are exposed to sunlight or are in shadow.

The United States is in the Southern Hemisphere.

• True

• False

Answer explanation

The statement is false because the United States is located in the Northern Hemisphere, primarily above the equator, while the Southern Hemisphere includes countries like Australia and parts of South America.

It takes Earth one year to make one revolution around the sun.

• True

• False

Answer explanation

The statement is true because Earth takes approximately one year, or 365.25 days, to complete one full revolution around the sun, which defines our calendar year.

Wind is a form of precipitation.

• True

• False

Answer explanation

Wind is not a form of precipitation; it is the movement of air. Precipitation refers to water in any form that falls from the atmosphere, such as rain, snow, or sleet. Therefore, the statement is false.

Germination is the stage when a plant flowers and makes new seeds.

• True

• False

Answer explanation

Germination refers to the process where a seed develops into a new plant, not the stage when a plant flowers and produces seeds. Therefore, the statement is false.

Seasons happen in a cycle, and they happen over and over in the same order.

• True

• False

Answer explanation

Seasons occur in a predictable cycle: spring, summer, autumn, and winter. This pattern repeats annually, confirming that the statement is true.

Humidity is the dryness in the air.

• True

• False

Answer explanation

Humidity refers to the amount of moisture in the air, not dryness. Therefore, the statement is false.

Humans go through metamorphosis.

• True

• False

Answer explanation

Humans do not undergo metamorphosis; this process is characteristic of certain insects and amphibians. Instead, humans develop through stages of growth without the drastic changes seen in metamorphosis.

Condensation happens when water droplets are formed from water vapor.

• True

• False

Answer explanation

True. Condensation is the process where water vapor cools and changes into liquid water droplets, forming clouds or dew.