THE SOLAR SYSTEM AND BEYOND, STARS, & THE PHASES OF THE MOON 4 TH 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 = BLUECOLDEST = 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.

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.

CONSTELLATION A _________ is a pattern of stars in the sky.

Name the inner planets and outer planets. Inner Planets Mercury Venus Earth Mars Outer Planets Jupiter Saturn Uranus Neptune

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 tilt Rotates 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 ________.

It takes Earth _______ days to make one ____________ around the sun.

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.