Chapter 3 Science Test Study Guide

Front

What happens when the Earth tilts toward the Sun?

Back

It results in more direct sunlight and longer days, which is experienced as summer.

Front

Fill in the blank: ________ is when day and night are about equal (spring and fall).

Back

Equinox

Front

What causes the seasons?

Back

The seasons are caused by the tilt of the Earth's axis as it orbits the Sun.

Front

What are the reasons for the seasons?

Back

Earth's tilt and revolution.

Front

Fill in the blank: To ________ is when a seed starts to grow.

Back

Germinate.

Front

What is a solstice?

Back

A solstice is an event that occurs twice a year when the Sun reaches its highest or lowest point in the sky at noon, marking the longest and shortest days.

Front

What is the difference between an equinox and a solstice?

Back

An equinox occurs when day and night are of equal length, while a solstice occurs when the Sun is at its highest or lowest point in the sky.

Front

What is the Earth's axis?

Back

The Earth's axis is an imaginary line that runs from the North Pole to the South Pole, around which the Earth rotates.

Front

What is revolution in terms of Earth?

Back

Revolution refers to the Earth's orbit around the Sun, which takes about 365.25 days to complete.

Front

What is photosynthesis?

Back

Photosynthesis is the process by which green plants use sunlight to synthesize foods with the help of chlorophyll.