NYS Science Intermediate

The African savanna is a large grassland region with few trees that is hot and seasonally dry. A population of lions and a population of wild dogs living there are most likely to compete with each other for

• mates

• Water

• Air

• Sunlight

• selective breeding

• natural selection

• metamorphosis

• germination

The inference that Earth’s interior has an outer core and an inner core is based on studies of

• earthquake wave data

• glacier core samples

• recent fossil discoveries

• celestial observations

Why does the Sun generally appear to rise in the east, move across the sky, and set in the west each day?

• Earth rotates on its axis

• Earth revolves around the Sun

• The Sun rotates on its axis.

• The Sun revolves around Earth

Which property of a mineral is tested by scratching it on a glass plate?

• conductivity

• melting point

• density

• hardness

• absorption

• reflection

• refraction

• transmission

The gravitational force between two objects is most affected by their

• motion and volume

• motion and distance apart

• mass and volume

• mass and distance apart

Earth’s surface has a relatively thin, solid outer shell called the

• atmosphere

• lithosphere

• mantle

• outer core

Which process results in the formation of water on the outside of a cold glass of iced tea on a warm day?

• boiling

• freezing

• condensation

• evaporation

Warm air rising in the atmosphere is an example of heat being transferred by

• absorption

• conduction

• convection

• radiation