Grade 8 Science Bee (Classroom Edition, Round 3)

Eratosthenes, an ancient Greek scientist, is perhaps most famous for having calculated what to a high degree of accuracy?

• the distance from the Earth to the Moon

• the speed of light

• the circumference of the Earth

• the age of the universe

Approximately how long does it take light generated by the Sun to reach Earth?

• 8 milliseconds

• 8 minutes

• 8 days

• 8 years

Plankton, nekton, and benthos are three classifications of what?

• meteor strike

• marine organism

• deficiency disease

• computer software

Which device can be used for a computer to access the Internet?

• Geiger counter

• defibrillator

• bionic arm

• modem

Sugars and starches are what type of nutrient?

• carbohydrates

• lipids

• proteins

• amino acids

When the Moon is directly between the Earth and the Sun, blocking out the Sun’s light, what is the result?

• lunar eclipse

• solar eclipse

• geocentric eclipse

• ellipse

Tags

NGSS.MS-ESS1-1

Birds and mammals have how many chambers in their hearts?

• one

• two

• three

• four

Tags

NGSS.MS-LS4-2

A(n) ___ rock is formed from lava or magma.

• igneous

• metamorphic

• sedimentary

Giant land masses, like Asia and North America, are called ___.

• continents

• islands

• archipelagos

• plateaus

___ energy is a form of energy captured by turbines that spin due to air particles increasing velocity.

• Wind

• Solar

• Hydroelectric

• Nuclear

Tags

NGSS.MS-PS3-5