Multiple Main Ideas

Which of the following is a main idea of the theory of evolution by natural selection?

• Survival of the fittest

• Inheritance of acquired traits

• Spontaneous generation

• Uniformitarianism

Tags

NGSS.MS-LS4-4

What is the main idea behind the law of conservation of mass?

• Mass can be created and destroyed

• Mass is conserved in a closed system

• Mass is only conserved in chemical reactions

• Mass is only conserved in physical changes

Tags

NGSS.MS-PS1-5

Which of the following best describes the main idea of Newton's First Law of Motion?

• An object in motion stays in motion unless acted upon by an external force

• For every action, there is an equal and opposite reaction

• Force equals mass times acceleration

• Energy cannot be created or destroyed

What is the main idea of the scientific method?

• To prove hypotheses correct

• To systematically investigate phenomena

• To collect as much data as possible

• To conduct experiments without bias

Tags

NGSS.MS-PS1-2

Which of the following is a main idea of the cell theory?

• All living organisms are composed of cells

• Cells can spontaneously generate

• Cells are only found in animals

• Cells do not contain genetic material

Tags

NGSS.MS-LS1-1

What is the main idea of the periodic table of elements?

• Elements are arranged by increasing atomic number

• Elements are arranged by decreasing atomic mass

• Elements are grouped by color

• Elements are listed alphabetically

Which of the following best describes the main idea of photosynthesis?

• Conversion of light energy into chemical energy

• Conversion of chemical energy into light energy

• Conversion of oxygen into carbon dioxide

• Conversion of water into oxygen

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the main idea of the Big Bang Theory?

• The universe is expanding from a single point

• The universe is contracting into a single point

• The universe has always existed in its current state

• The universe is shrinking

Tags

NGSS.HS-ESS1-2

Which of the following is a main idea of plate tectonics?

• The Earth's crust is divided into plates that move

• The Earth's crust is a single, solid piece

• The Earth's crust is stationary

• The Earth's crust is made of liquid magma

Tags

NGSS.MS-ESS2-3

What is the main idea of Mendel's laws of inheritance?

• Traits are inherited through discrete units called genes

• Traits are blended from both parents

• Traits are only inherited from the mother

• Traits are only inherited from the father

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2