Big R
List the following from smallest to largest: planet, universe, galaxy, solar system
Planet > solar system > galaxy > universe
When looking at a food web, what are the way the arrows are pointing signifying?
Flow of energy
In which layer of the atmosphere does weather occur?
Troposphere
Which colors of visible light are present in white light?
All colors of light
What are the two parts of a scientific name?
Genus & Species
T or F: The first step to confirming the results of an investigation is to repeat the study.
True
What is another way (besides repetition) to confirm results of a scientific investigation?
Have another scientist replicate the experiment. (Peer Review)
A sound wave travels from air into a swimming pool. How does its speed change?
It travels faster.
A sound wave travels from air into a swimming pool. How does its speed change?
It travels faster.
What is one property that distinguishes one layer of earth from another?
Changes in temperature
The nervous system signals muscles to contract when cold (shiver). What is this an example of?
Homeostasis
What are two parts to a cell that are only found in plant cells?
Cell wall & Chloroplasts
In a Punnett square, what does a capital letter signify?
A dominant allele
________- describes something that uses Earth as the reference point (Earth in the middle)
Geocentric
________- describes something that uses the Sun as the reference point (Sun in the middle)
Heliocentric
Earth is the only terrestrial planet whose surface is divided into tectonic plates. What is a terrestrial planet?
One of the highly dense planets nearest the sun.
The gravitational pull of the ______ keeps the planets in their orbits.
Sun
King Phillip ________ ________ For _________ Spaghetti.
King Phillip Came Over For Good Spaghetti
Kingdom _________ _________ Order Family ________ Species
Phylum, Class, Genus
The first step to confirming the results of an investigation is to repeat the study. This is known as:
Repetition
A _______ change happens when a substance changes into a new substance that has entirely different properties. Example: Photosynthesis
Chemical Change
A _______ change affects only the appearance, shape or size of a substance. An example of a physical change is:
Liquid WATER freezing into ice. (It is STILL water)
Which variable is also referred to as the test variable?
Independent Variable
What is also known as the outcome variable?
Dependent Variable
A ___________ is a possible answer to a scientific question and it must be testable.
Hypothesis