social studies core concepts 2

When days and nights are nearly equal in length

• solstice

• equinox

• eastern central time

• mountain time

When days are longest and nights are shortest in one hemisphere, and night are longest and days are shortest in the other hemisphere

• solstice

• equinox

• eastern central time

• mountain time

shapes and types of land

• plateau

• delta

• mountain

• landform

thick layer of gases or air above Earth's surface

• core

• mantle

• crust

• atmosphere

a process that breaks rocks down into tiny pieces

• erosion

• weathering

• depostion

• construction

The process of depositing material eroded and carried by water, ice, or wind

• erosion

• weathering

• deposition

• construction

Day and night are caused by the ________ of Earth around the sun

• revolution
• Orbit

• Rotation

• Circle

Because Earth rotates towards the east, people experience the sun earlier in the east than they do further west. This is why we have _______ _________

Earth revolves around the sun in an oval shaped path called an ________

• orbit
• Rotation

• Revolution

• Circle

Earth takes 365 ¼ days to complete one ___________

• revolution
• Rotation