Do Now: Astronomy

Which item is the BIGGEST?

• galaxy

• solar system

• star

• universe

Tags

NGSS.HS-ESS1-2

Kepler's 1st Law says that planets orbit...

• the sun

• the moon

• in a perfect circle

• in an ellipse

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Using this image, what is true?

• the planet will travel the SAME speed in the gray areas

• the planet travels slower from A-B than C-D

Tags

NGSS.MS-PS3-1

The barycenter (center of mass) between two planets, is ALWAYS closest to...

• the planet with MORE MASS

• the planet with MORE PEOPLE

• the planet with MORE STARS

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

In 14,000 years, the Earth's axis will point to a different North star (from Polaris to Vega). Why is this?

• nutation

• rotation

• precession

Tags

NGSS.MS-ESS1-1

The reason for Earth's seasons is the...

• rotation

• gravity

• tilt

• size

Tags

NGSS.MS-ESS1-1

If the Earth was NOT tilted (like the image), what could happen?

• there would be eight different seasons

• the entire Earth would experience the same season at all times

Tags

NGSS.MS-ESS1-1

Rotation takes...

• 24 hours

• 5 days

• 35 weeks

• 365 days

Stars use the energy process of nuclear ______.

• fission (splitting atoms)

• convection (heat rises, cool sinks)

• fusion (combining atoms)

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

Nuclear fusion is...

• COMBINING two HYDROGEN atoms to RELEASE ENERGY

• SPLITTING two HYDROGEN atoms to MAKE STARS

• COMBINING two HELIUM atoms to ABSORB ENERGY

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8