A student uses a mirror to see a cat on the other side of a wall as shown in the Path of Light model. Select 2 changes that could prevent the student from seeing the cat

A student stood quietly in a field observing a rabbit eating grass. The student moved and stepped on a twig. The twig broke, which made a loud sound, and the rabbit ran away. When the rabbit heard the twig break, what happened first?

Goldfinches are small birds that eat the seeds of sunflower plants. Sunflower seeds provide goldfinches with the energy they need to survive. Which of the following 2 statements must also be true?

Which of the following is an example of a chemical change?

What is the function of the heart in the human body?

What is the difference between a solid, a liquid, and a gas?

What is the role of chlorophyll in plants?

What is the primary cause of tides on Earth?

Which simple machine is best suited for lifting heavy objects?

How does deforestation contribute to climate change?

What is the purpose of the skeletal system in the human body?

How are sedimentary rocks formed?

Which of the following is an example of a complex machine?

How does the greenhouse effect contribute to global warming?

What is the difference between a physical change and a chemical change?

What is the function of the mitochondria in a cell?

What causes the seasons on Earth?

What simple machine is used to change the direction of a force?

How does the ozone layer protect life on Earth?

What is the main difference between a mixture and a compound?

What causes earthquakes?

An instrument used to measure temperature is called a...?

_________ is a measure of how hot or cold something is.

The amount of heat energy in an object.

The direct transfer of heat from one substance to another substance that is touching

The movement of warm liquids or gases to cooler areas

___________ is what we call the movement of heat without matter to carry it.

A change of energy from one form to another is called ____________?

Anything that has mass and takes up space is called ____________

Very small pieces of solid or liquid matter are called ___________

A picture that shows how hot things are is called a __________________

The main source of energy on Earth comes from __________

An organism that can make its own food is called a __________

Organisms that eat other organisms are called ________________

A consumer that eats only plants is called a __________

A consumer that eats only animals.

An animal that eats both plants and animals is called a ______________

An organism that breaks down waste and dead organisms is called a _____________

A relationship between two species in which both species benefit is called ________

An interaction in which one organism kills another for food is called _____

An animal that hunts other animals for food is called a ___________

An animal that is hunted and killed by another for food is called _________

An organism that feeds on a living host is called a ___________

An organism on which a parasite lives is called a ________

A series of events in which one organism eats another and obtains energy is often called the _________________

A community of organisms where there are several interrelated food chains is known as a __________

the study of weather is called ___________

The condition of Earth's atmosphere at a particular time and place is known as _____________

An area's overall weather over a long period of time is referred to as that area's _________

_______________ measure air pressure

__________ gives organisms the ability to do work

An instrument used to measure temperature is called a ____________

A push or a pull is a type of _____________

___________ is a force that pulls objects toward each other

___________ is a type of force that opposes motion

_____________ is a type of force that opposes the motion of objects that move through the air

The property of light that allows us to see images is ________

The bending of light as it passes from one medium (like air) to another (like water) is called _____________

____________ is the phenomenon by which white light can be broken into many different colors

A characteristic of an organism that increases its chance of survival in its environment is called a(n) _________________

the layers of gas that surround Earth, other planets, or stars is called ___________

The smallest unit of a chemical element that can still retain the properties of that element is called a(n) ___________

The imaginary line on which an object rotates (e.g., the Earth's _______ runs through the Earth between the North Pole and the South Pole)

the process of changing from a gas (i.e., water vapor) to a liquid (i.e., dew); the act of making more dense or compact is called _______________

any organism that feeds or obtains nutrients by breaking down organic matter from dead organisms is called a ______________

The mass per unit volume of a substance is its _________

A biological community, its physical environment, and interactions between those things are all part of a _______________

the wearing away of Earth's surface by the breakdown and transportation of rock and soil is called _________

the process by which a liquid is converted to its vapor phase by heating the liquid is known as ________________

A(n) ____________ is a procedure that is carried out and repeated under controlled conditions in order to discover, demonstrate, or test a hypothesis; includes all components of the scientific method

transfer of energy through various stages as a result of the feeding patterns of a series of organisms is known as a ________________

a large collection of stars, gases, and dust that are part of the universe and which are bound together by gravitational forces (e.g., the Milky Way) are called _________________

An organism's ________ is the place in an ecosystem where it normally lives

An animal that feeds solely on plants is called a(n) ______________

the amount of matter an object contains is called its _________

the product of a thorough blending of two or more substances, not chemically combined

a natural satellite that revolves around a planet

a structure containing different tissues that are organized to carry out a specific function of the body (e.g., heart, lungs, brain, etc.)

a chemical process by which plants trap light energy to convert carbon dioxide and water into carbohydrates (sugars)

a reaction; a change in matter from one form to another, without forming new substances

A large body in space that orbits a star and does not produce light of its own

Any alteration of the natural environment producing a condition harmful to living organisms; may occur naturally or as a result of human activities

A star and all the planets and other bodies that orbit it; the region in space where these bodies move is called the ____________

A large, gaseous, self-luminous body held together by gravity and powered by thermonuclear reactions is called a ___________

________ is a measure of the amount of space an object takes up; also the loudness of a sound or signal

The path water takes as it moves through the environment is known as the __________________