the solar system and beyond, stars, & the phases of the moon 4 th grade science - askew

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.