Space 9
Heliocentric means the _______ is at the center of the solar system.
Heliocentric
H2 + O2 = H2O
H2O is the...
Product
When two things mate to produce offspring, this is called:
Sexual Reproduction
What is the middle fixed point that a lever sits on called?
Fulcrum
Give an example of an artificial light source.
Lamp, ceiling lights, nightlight ,ect.
Give an example of a communication technology.
Computers, radio, satellites, ect.
What only has 1 type of atom and cannot be broken down into different parts?
Element
A difference between a plant cell and an animal cell, is that a plant cell_______.
Has a cell membrane or chloroplasts.
What is WORK measured in?
Joules (J)
Which device contains mirrors and lenses that helps people see into space?
Telescope.
The sun is an example of ______
A star
O2 and H2O are both examples of:
Molecules
The process whereby organisms better adapted to their environment tend to survive and produce more offspring is called:
Natural Selection
Pulley
Sunglasses are ___________.
(Transparent, Translucent, or Opaque?)
Translucent
The length of an Earth year is the time it takes for ______
Earth to revolve around the sun.
What is shiny, good conductors, malleable, and has a high melting point?
Metals
What system in your body has the stomach and breaks down food?
Digestive system.
The source of energy for a toaster is
(chemical, electrical OR kinetic?)
Electrical
the throwing back by a body or surface of light, heat, or sound without absorbing it.
Reflection
Name a technology for space transportation.
Space shuttle.
What are the two types of particles located IN the nucleus of an atom?
Protons and Neutrons
The term _______ encompasses a group of organisms of a single species that can interbreed and live in the same time in the same environment.
Population
Justine did an experiment to test the force required to pull a truck up different ramps at different heights. What was the responding (measured) variable in this experiment?
The force needed to pull up the truck.
light being deflected in passing between one medium and another or through a medium of varying density.
refraction