The opening center of the eye
Pupil
In science, we describe the characteristics of an object by calling it a _____________.
Property
These cells are to small to be seen without a microscope. They use food for energy, grow and reproduce, and respond to stimuli.
Single-celled organisms
Energy in motion
Kinetic energy
H
In science, this is used to represent an idea, process, or system in order to describe, explain, or predict something.
A model
The process through which a substance changes from a solid to a liquid is called___________
Melting
Microscopic hairs that move back and forth through mucus
Cillia
Type of energy that has to do with temperature (heat)
Thermal Energy
Nitrogen
N
In order to see something, you need the following 4 things...
1.) Light source
2.) An object
3.) A clear path to your eye
4.) Eyes
The exact temperature a substance starts to melt is called its ____________
Melting Point
Homeostasis
It is possible to divide all types of energy into 2 groups,
Kinetic and potential energy
Fe
Iron
Light can be _________, ____________, or _____________ by objects.
Reflected, scattered, or absorbed
At the end of a chemical reaction, the reactants in the beginning form a new substance, known as the _____________ of a chemical reaction.
Product
Three types of single celled organisms are
Fungi, Bacteria, Algae
This type of energy comes from the Earth. What comes up, must come down
Gravitational Energy
Cl
Chlorine
This part of the eyes allows us to see color.
Cones
When adding electrical energy to water in a certain set up, the gas molecules will separate into 2 tubes, Hydrogen and Oxygen. This process is called __________
Electrolysis
Your bodies way of maintaining homeostasis when you are cold.
Shivering.
In thermal energy, the ____________ of the substance starts to get faster and faster, increasing the temperature.
Particles
Potassium
K