Gravity
What is the force that pulls falling objects toward the center of the Earth is called?
Gravity
Which type of subatomic particle surrounds the nucleus of an atom?
Electrons do
What is the scientific name of the process by which the body takes in oxygen and releases carbon dioxide?
respiration
What is a group of stars that form a pattern called?
a constellation
Invertebrates do not have a what?
a backbone or spine
If a baseball and a cannonball are dropped from the same height at the same time, which ball will hit the ground first if we could eliminate air resistance?
Neither would because they would hit the ground at the same time.
What is a cluster of elements with similar chemical properties called?
A family or a group
What is the scientific name for the kneecap?
the patella
What is a fracture in the Earth’s crust where movement has taken place called?
a fault or a fault line
What is an animal called that eats all or mostly all meat?
a carnivore
When is the gravitational pull is greater between 2 objects ? (Hint: there are 2 answers.)
When they have greater masses or a shorter distance between them
What is the name of the process that moves heat energy through gases and liquids?
Convection
Which structure transmits an image from the retina of the eye to the brain?
the optic nerve
What is the name of the very strong, low, eastward winds that move horizontally around the Earth?
The Jet Stream
What is the name given to animals that have a constant body temperature?
warm-blooded
What is the rate that objects fall toward the Earth under the influence of gravity?
Objects fall due to gravity at a rate of 9.8 m/s/s or 32 ft/s/s
What is the scientific term for stored energy?
Potential Energy
What type of blood vessel carries blood toward the heart?
a vein
What type of rocks are changed by heat and intense pressure called?
metamorphic rocks
How many bones does the adult human body have?
206 bones
Why does a crumpled piece of paper hit the ground before a flat piece of paper dropped from the same height and at the same time?
The crumpled piece of paper is subjected to less air resistance because of its shape.
Which color of light has the most energy?
Violet
What is the name of substance made by the pancreas that allows sugar to get to into the cells?
Insulin
What is chain of underwater mountains (or volcanoes) that occur at a divergent boundary called?
a mid-ocean ridge
What is the term used to describe animals that are awake during the daytime?
diurnal