Term 1
In a fair experiment, the variable that is kept the same is called the what?
Controlled variable
What does F = ma stand for?
Force = mass x acceleration
A section of DNA that codes for a specific trait is called a what?
Gene
15g
This invisible force keeps planets in orbit around the Sun.
Gravity
The particles that orbit the nucleus of an atom are called what?
Electron
Speed is calculated using what formula?
distance divided by time
What phase of the Moon occurs when the Moon is completely dark from Earth’s view?
New moon
The word used for the bending of light
Refraction
This scientist proposed the theory of natural selection after studying finches in the Galápagos.
Charles Darwin
An element is defined as...
Something made up of the exact same atom
Which of Newton’s laws states that an object will remain at rest or constant motion unless acted upon by a net force?
Inertia / 1st law
What do we call the substances that you start with in a chemical reaction?
Reactants
What does validity mean in an experiment?
Are you actually testing what you set out to test?
What force slows objects down when they move across a surface?
Friction
How many electron shells would an element have if it had 12 electrons?
3
A car accelerates from 5 m/s to 25 m/s in 4 seconds. What is the acceleration?
5 m/s²?
If a person has the genotype Bb, what term describes their genotype?
Heterozygous
What is a double blind trial?
neither the participants nor the researchers know who is receiving the active treatment and who is receiving a placebo or control.
What is it called when the moon is directly in-between the sun and the Earth, blocking all sunlight?
Solar eclipse
Data that includes words or descriptions (not numbers) is called what type of data?
Qualitative Data
Evolution occurs because of what process that selects traits helpful for survival?
Natural selection
The term for when the lit portion of the Moon is increasing is what?
Waxing
What colour does red, green and blue make when overlapped?
White
The ability of a substance to dissolve in another substance is called what?
Solubility