Grade 9 Science Space Exploration

The shortest period of daylight throughout the year refers to the...

• Summer solstice

• Spring Equinox

• Fall Equinox

• Winter Solstice

This model put the Sun at the center and the planets revolved around it.

• Heliocentric model

• Geocentric model

• Galileo model

• Ellipse model

Which of the following describe a light year?

• The speed that light travels in one year

• The distance that light travels in one year

• The speed of light measured from the Earth to the Sun

• Amount of time is takes sunlight to reflect off an object in space

The two most abundant elements in stars are...

• Helium and Iron

• Iron and Calcium

• Carbon and Hydrogen

• Hydrogen and Helium

Stars form in regions with huge accumulations of gas and dust called...

• Protostars

• White dwarf

• Supernova

• Nebulae

Which of the following life cycles makes the most sense for a Sun sized star?

• Nebula> white dwarf>red giant> black dwarf

• White dwarf>Nebula>black dwarf> red giant

• Nebula> red giant> white dwarf> black dwarf

• Black dwarf> white dwarf> red giant> nebula

The protoplanet hypothesis explains...

• The birth of the solar system

• How black holes form

• The birth of the milky way

• Movement of constellations

Small pieces of rock flying through space are called...

• Meteors

• Meteoroids

• Meteorite

• Comet

The compass direction of an object in space is called the...

• Altitude

• Azimuth

• Zenith

• Eliptic

Which of the following devices does a refracting telescope use to gather light?

• antenna

• concave lens

• concave mirror

• satellite dish