the solar system and beyond, stars, & the phases of the moon 4 th grade science - askew
TRANSCRIPT
THE SOLAR SYSTEM AND BEYOND, STARS, & THE PHASES OF THE MOON
4TH GRADE SCIENCE - ASKEW
STAR
•A _________ is a hot sphere of gas that gives off energy and is held together by its own gravity.
TEMPERATURE• A star’s color reveals its
_______________.• The reddish _________ is a
cool star. • Blue-white _______ is a
very hot star.
Betelgeuse
Rigel
HOTTEST = BLUE COLDEST = RED
•Which picture shows the hottest star, and which picture shows the coldest star?
hottest coldest
SUN
• The largest star in our solar system is the ______.
SUPERGIANTS
• Stars range in size from the very small neutron stars to enormous _____________.•Our sun is a
_________-sized star. medium
BRIGHTNESS
• Stars differ in their __________, or the amount of light they give off. The __________ of a star depends on its size and temperature. • Our sun looks so ______because it
is so close to Earth.
brightness
brightness
bright
CONSTELLATION
•A _________ is a pattern of stars in the sky.
•Name the inner planets and outer planets.
Inner PlanetsMercury
VenusEarth Mars
Outer PlanetsJupiterSaturnUranus
Neptune
Rocky
GasGiants
NAME THAT PLANET!
Hottest Planet
Second planet
from the sun
About the same size as Earth
NAME THAT PLANET!
Fastest Planet
Smallest planet in our solar system
The closest
planet to the sun
Rocky planet
No moons
NAME THAT PLANET!
Largest planet
Has a GIANT RED
SPOT – large storm
Gas Giant
NAME THAT PLANET!
Rocky planet
Known as the “Red Planet.”
Cold desert world
Fourth planet
from the sun
NAME THAT PLANET!
Supports life
One moon
Third “rock”
from the sun
NAME THAT PLANET!
Many moons
Known for its rings of
beauty
Gas Giant
NAME THAT PLANET!
Gas Giant
Dark, cold, whipped by supersonic
winds
Eighth planet
from the sun
NAME THAT PLANET!
Gas Giant
Unique tiltRotates
sideways
Pale blue color is caused by
methane in its atmosphere
AXIS
• The Earth spins on an imaginary line called an __________.•Day and night are caused by
Earth spinning on its ________.
•A ___________ is one complete spin on an axis. • It takes Earth ____ hours to
make one complete ________.
rotation
rotation24
• It takes Earth _______ days to make one ____________ around the sun.revolution
365 ¼
ORBIT
• Earth travels in a set path around the sun that is called its _________. • Earth’s _______ is shaped
like an ellipse (flattened circle).
SEASONS
• The tilt of the Earth on its axis causes us to have __________. It is summer in the northern hemisphere when it is winter in the southern hemisphere.
NAME THE PHASES OF THE MOON.