Solar System
Ecosystems
Light and Sound
Scientific Method
Motion and Forces
100

What force causes celestial bodies to orbit one another?

gravitational force

100

What is the name given to the organism representing the first level of a food chain?

producer

100

What is the name given to a rapid, back and forth movement?

vibration

100

What instrument does a scientist use that has an eyepiece that allows very small items to be seen?

microscope

100

What is the curved path called that a planet or other object follows around the sun or other celestial body?

orbit

200

What are metallic, rocky bodies that orbit the sun but are too small to be classified as planets called?

asteroids

200

What is the organism called that feeds on other animals or plants?

consumer

200

What is the bending of any wave, either light or sound, as it travels from one medium to another called?

refraction

200

What is an idea or explanation that you then test through study and experimenting called?

hypothesis

200

What is a push or pull with regards to another object called?

force

300

What are the four divisions of the year called that result from the earth’s changing position with regard to the sun?

seasons

300

What is the system of interlocking and interdependent food chains called that results in a transfer of energy?

food web

300

What is the process called by which a material takes in energy and retains it?

absorption

300

What type of variable is used in an experiment that remains constant and unchanging?

control variable

300

What is the distance traveled divided by the time taken to travel the distance called?

speed

400

What is the movement of the earth around the sun called?

revolution

400

What is the process called by which plants use or change sunlight into energy from the sun to make their own food?

photosynthesis

400

What is the name given to the height or depth of a tone or sound, depending upon the speed of vibrations by which it is produced?

pitch

400
  • How many controls can you have in an experiment?

   a)  just 1

   b)  2

   c)  as many as you would like

c)  as many as you would like

400

What is the force called that one surface exerts on another when the two rub against each other?

friction

500

Any celestial body within the solar system that is larger than a satellite but smaller that a planet, and that orbits the sun.  Pluto is an example of this!

dwarf planet

500

What is the relationship called between two species of organisms in which both benefit from the association?

mutualism

500

What is the change in direction called when light or other wave motion rebounds at a boundary between 2 materials?

reflection

500

What is the variable called that you purposely manipulate or change in an experiment?

independent variable

500

What is the change in velocity divided by the time it takes for the change to happen called?

acceleration