_____ is when an animal becomes inactive in the winter.
Two bones join together at the ______.
What is density?
The color of a mass
The height of a shape
The amount of mass per unit of volume
The length per volume
A species on the brink of extinction is called _.
What is the scientific term for the place where an organism lives?
Structures that are too small to be easily seen with the naked eye are _______.
What is the process of liquid changing into gas?
What animals lay eggs?
All of the above
What scientific theory is associated with Charles Darwin?
Theory of evolution
Climate change theory
What is the process by which caterpillars become butterflies?
What is the Periodic Table?
A group of element periods
An arrangement of elements based on atomic number
A table that is not often used
A list of elements not yet discovered
What are the regions where the magnetic force exerted by a magnet is strongest?
Why is it important to move blood through the body?
To deliver nutrients and oxygen throughout the body
To fight infections
To carry hormones around the body
All of the above
_______ usually occurs when a species is unable to adapt to a changing environment.
Which adaptation enables organisms to hide from predators?
Plant leaves use ________ to capture light from the sun.
What is the role of white blood cells?
To help with clotting
To give blood its red color
To defend and protect the body against invaders
To carry nutrients to the heart
Which area of a plant takes in nutrients and water?
What are the chemicals that help break down food?
Which of these is true about your heart?
It is filled with helium
It is a muscle
It holds your emotions
It carries carbon dioxide to your cells
Where is a proton located?
Outside of the cell
Outside the nucleus
In the membrane
In the nucleus
How big is an adult heart that is usually healthy?
The size of a closed fist
The size of a ping pong ball
The size of a grapefruit
The size of a peanut
What is the theory behind the origin of life from non-living matter?
The term “_________” refers to any variation that improves an organism’s acclimatization to its surroundings.
A ______ is a compilation of data used to explain a phenomenon.
What is carried by a wave?
It is typical for fossils to be _______ than those found beneath the Earth’s surface.
It is referred to as a ______ when multiple tissues cooperate.
What makes up the cell’s “brain”?
What is the energy that a moving object possesses?
Which biome is distinguished by permafrost, a permanently frozen soil layer?
The United States gets its energy from ______ for about three-quarters of its needs.
What kind of metamorphic rock is non-foliated?
______ traits are passed down through generations via DNA.
The term ______ refers to one-way “doors” that maintain blood flow in the proper direction.
Your heart is divided into how many chambers?
A solar eclipse is what?
When the moon passes between Earth and the sun, blocking the sunlight from reaching Earth.
When part of the sun is visible from Earth.
When the sun is completely blocked by the moon.
When the Earth is directly between the moon and sun.
Through _______, blood travels from the lungs back to the heart.
What best describes science?
A body of skills related to life and death
Using thinking and practical skills to understand our world
A study of living bodies
A study of mechanics
A stimulus is which of the following?
All of the above