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Friday 2/17 BellRinger

Authored by KAREN VILLALOBOS

Science

8th Grade

Used 4+ times

Friday 2/17 BellRinger
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6 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Method used by astronomers to calculate the distance to nearby stars, using the apparent shift of the star relative to more distant stars

Parallax

Light-Year

Prototype

Parsec

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

90% of stars fuse hydrogen atoms to form helium atoms in their cores, these are typically called _______________

Average Stars

Outlier Stars

Main Sequence Stars

Star Clusters

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A _________ star is a remanent of a massive star after it has exploded as a super nova

Red Super Giant

Black hole

Neutron

Planetary Nebula

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Stars differ in all of the following except

mass

temperature

age

composition

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A _______________ looks like a star but its core is not yet hot enough for fusion to take place. The luminosity comes exclusively from the heating of the contracting elements

White Dwarf

Nebula

Neutron Star

Protostar

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A black dwarf star is considered theoretical because

Because we know they are out there but we just haven't observed them yet

Because they are consumed by black holes

Our galaxy is not old enough because white dwarfs would take trillions of years to burn

Because they are black and it makes it difficult to see them against dark matter since neither emit light

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