Middle School Life Science

The Earth moves in predictable patterns. One of these patterns causes approximately 12 hours of daylight and 12 hours of darkness during a 24-hour period in areas around the equator. This movement is referred to as —

• a rotation

• an equinox

• a photoperiod

• a revolution

Scientists approximate that there are 20 billion stars like our sun in the Milky Way. Why does the sun appear to be brighter than any other star in the Milky Way?

• The sun is older than all of the other stars in the Milky Way.

• The sun is closer to the Earth than any other star in the Milky Way.

• The sun is hotter than any other star in the Milky Way.

• The sun has more energy than any other star in the Milky Way.

The diagram above represents the phases of the moon. Position 1 represents the new moon. Positions 2 through 8 represent the phases of the moon that follow.

Which phase does position 6 represent?

• Full moon

• Waning crescent

• Waning gibbous

• Quarter moon

Tags

NGSS.MS-ESS1-1

The appearance of the moon changes in a predictable pattern that lasts approximately 28 days. The changes in appearance are called phases of the moon. What is the main cause of moon phases?

• The distance between the Earth and the moon.

• The tilt of Earth on its axis compared to the tilt of the moon on its axis.

• The amount of sunlight the moon’s surface is exposed to.

• The position of the moon in relationship to the Earth and Sun.

Tags

NGSS.MS-ESS1-1

When the Northern Hemisphere is tilted away from the Sun —

• the South Pole is pointing directly at the Sun.

• it is summer in the Southern Hemisphere.

• it is night in the Northern Hemisphere.

• the Sun's rays do not strike the Northern Hemisphere.

Tags

NGSS.MS-ESS1-1

_____ is composed of stages that occur in a lifetime of a living thing.

• Habitat

• Life Cycle

• Adaptation

Plants absorb minerals from the soil.

• True

• False

• Maybe

Tags

NGSS.MS-LS2-3

_______ is where plants live in order to grow.

• Habitat

• House

• Shelter

Is using fertilizer on plant will increase the nutrient content of the soil?

• Yes

• No

• Maybe

Tags

NGSS.MS-LS2-1

The human body contains ________ water depending on our age and even on our weight.

• 40% - 75%

• 60% - 75%

• 50% - 75%