Chemistry
3 basic states of matter
Solid
Liquid
Gas
anything that has mass and takes up space
matter
when light hits a mirror and bounces off
reflection
the smallest unit of life in creation
cell
all living things contain hereditary information in their
DNA
The molecular structure for water
H2O
the rate at which an object moves
speed
What force draws all things towards Earth
gravitational
A push or pull exerted on an object in an effort to change the object's velocity
Force
The central part of a cell is called
nucleus
3 components of atoms
Electrons, Neutrons, Protons
2 or more atoms linked together to make a substance with unique properties
molecule
State Newtons first law of motion
An object will stay in motion (with constant velocity) or at rest, until acted upon by an outside force
An organism that breaks down dead remains of other organisms
Decomposer
2 different types of cells
Prokaryotic & Eukaryotic
A change that affects the type of molecules or atoms in a substance
Chemical change
The process by which green plants use sunlight to produce their own food
Photosynthesis
a device that either multiplies or redirects a force
a closed path through which electric current flows
Electric circuit
Name the 5 kingdoms used for classification
Monera, Protista, Fungi, Plantae, Animalia
Name 3 properties of acids
Taste sour
Conduct electricity in water
Donate hydrogen ions
a substance that contains different compounds and/or elements
Mixture
Name 2 ways we measure waves
wavelength, trough, crest, amplitude
a method of sorting things according to shared qualities or characteristics
classification
Name 5/6 criteria for life
1. contain DNA
2. use energy
3. sense & respond to changes in surroundings
4. made of cells
5. chemically regulate internal environment
6. Grow