Properties of Metals and Tides

Front

What is a chemical change?

Back

A chemical change is a process where substances combine or break apart to form new substances with different properties.

Front

What is evidence of a chemical change?

Back

Evidence of a chemical change includes color change, temperature change, gas production, or the formation of a precipitate.

Front

What is the Summer Solstice?

Back

The Summer Solstice is the longest day of the year, occurring around June 21st in the Northern Hemisphere.

Front

What is the Northern Hemisphere?

Back

The Northern Hemisphere is the half of the Earth that is north of the equator, receiving more direct sunlight during summer.

Front

What are transverse waves?

Back

Transverse waves are waves where the motion of the medium is perpendicular to the direction of the wave, like waves on a string.

Front

What is the difference between day and night?

Back

Day occurs when a part of the Earth is facing the Sun, while night occurs when it is turned away from the Sun.

Front

What is the Vernal Equinox?

Back

The Vernal Equinox is the time in spring when day and night are approximately equal in length, around March 21st.

Front

What is the Winter Solstice?

Back

The Winter Solstice is the shortest day of the year, occurring around December 21st in the Northern Hemisphere.

Front

What is the Autumnal Equinox?

Back

The Autumnal Equinox is the time in fall when day and night are approximately equal in length, around September 23rd.

Front

What is direct sunlight?

Back

Direct sunlight refers to sunlight that reaches the Earth's surface without being scattered or blocked, providing maximum warmth.