Introduction to Star Spectrum

Presentation

•

Science

•

6th - 8th Grade

•

Hard

Joseph Anderson

FREE Resource

8 Slides • 18 Questions

Multiple Choice

High frequency waves have _________ wavelengths.

varying

long

short

Multiple Choice

Which of the following has the shortest wavelength?

microwaves

UV rays

Infrared

the color blue

Multiple Choice

Which of the following has the most energy?

Red

Blue

Green

Violet

Multiple Choice

Stars and galaxies release energy. We see this energy as ...

visible light (colors)

mechanical sound waves

heat

satellites

Multiple Choice

Which element(s) are found in the star's spectra below?

Hydrogen only

Hydrogen & Helium

Calcium only

Hydrogen & Calcium

Multiple Choice

A sample of gas is analyzed, producing the spectrograph in the image. Identify which element the sample is mostly made-up of?

Hydrogen

Helium

Neon

Mercury

Multiple Choice

What gases are in the unknown mixture?

Gas B & Gas D

Gas C & Gas B

Gas A & Gas D

Gas D & Gas C

Multiple Choice

How do astronomers (scientists who study the stars) know so much about the universe?

From flying all over space in space suits

Information contained in electromagnetic waves such as light waves

Multiple Choice

Which has the SHORTEST wavelength and, therefore, the highest frequency/most energy

Radio waves

Ultraviolet Rays

Gamma Rays

X-rays

Multiple Choice

A ___ is used in astronomy to break down light like a prism.

telescope

spectroscope

stethoscope

microscope

Multiple Choice

Emission spectra emitted by an element (or compound) will produce ___ through a spectroscope.

bright lines

a continuous rainbow

dark lines

white light

Multiple Choice

If a star is being observed from Earth and it's light has shifted towards the blue side of the electromagnetic spectrum it would be...

Moving towards the Earth

Moving away from the Earth

This is a trick question that cannot be answered

It isn't a star, it is a very large blueberry.

Multiple Choice

What does the Red-shift tell us about the universe

the universe is expanding

the universe is contracting

the big bang is false

nothing

Multiple Choice

When blueshift occurs, the perceived WAVELENGTH of the wave would...

Increase

Decrease

Stay the same

Make frog sounds

Multiple Choice

When redshift occurs, the perceived WAVELENGTH of the wave would...

Increase

Decrease

Stay the same

Make squirrell sounds

Multiple Choice

The blue section of the wave is measuring _________________.

wavelength

crest

trough

amplitude

Multiple Choice

A star is moving away from Earth

Blue shift

Red Shift

Stationary

Multiple Choice

What information does a spectrograph provide?

The age of a star.

What elements are in a star.

When the star was formed.

The density of stars

Electromagnetic Spectrum Review

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