Earth's Orbit & Rotation
The _________ rotates on its axis every 24 hours.
The EARTH rotates on its axis every 24 hours.
When we walk on the Earth, we know __________ is the invisible force that pulls us down.
When we walk on the Earth, we know GRAVITY is the invisible force that pulls us down.
Our sun is a _________ of average size and brightness.
Our sun is a STAR of average size and brightness.
All matter is made of particles that are too _______ to be seen. (big or small)
All matter is made of particles that are too SMALL to be seen.
In a ___________ change we form an entirely new substance. (physical or chemical)
In a CHEMICAL change we form an entirely new substance.
The earth orbits around the _________ every 365.25 days.
The earth orbits around the SUN every 365.25 days.
The Moon has _______ gravity than the Earth. (more or less)
The Moon has LESS gravity than the Earth.
True or False: Stars come in different sizes and distances from Earth.
True: Stars come in different sizes and distances from Earth.
Particles are 100,000 times smaller than the width of a _________. (popsicle, human hair, pencil)
Particles are 100,000 times smaller than the width of a HUMAN HAIR.
In a physical change, we ________ form a new substance. (do or do not)
In a physical change, we DO NOT form a new substance.
True or False: Earth’s rotation causes observable patterns like night & day.
True: Earth’s rotation causes observable patterns like night & day.
Unlike magnetism, gravity is a force that pulls on ________ objects. (none, some, or all)
Unlike magnetism, gravity is a force that pulls on ALL objects.
Stars that are farther away appear ________ and dimmer. (larger or smaller)
Stars that are farther away appear SMALLER and dimmer.
BONUS JOKE: How do trees get on the internet?
They "log" in!
___________ changes also occur when matter changes states. (physical or chemical)
PHYSICAL changes also occur when matter changes states.
BONUS FUN FACT ABOUT 2021
The United Nations declared 2021 as the International Year of Peace and Trust.
Gravity always pulls objects “down”, meaning towards the _______ of the planet. (top, bottom, or center)
Gravity always pulls objects “down”, meaning towards the CENTER of the planet.
BONUS JOKE: How do you cut the sea in half?
With a "see" saw!
In a ________, particles of matter move freely around and take the shape of their containers. (solid, liquid, or gas)
In a GAS, particles of matter move freely around and take the shape of their containers.
True or False: When a substance dissolves it doesn’t vanish, it simply changes form.
True: When a substance dissolves it doesn’t vanish, it simply changes form.
Earth’s orbit causes some _________ to be visible only in certain months. (trees, houses, or stars)
Earth’s orbit causes some STARS to be visible only in certain months.
When something burns up it turns into ________ that you can’t see. (solids, liquids or gases)
When something burns up it turns into GASES that you can’t see.