Question 1

What is the definition of the term "acceleration"?

Accepted Answer

The rate at which velocity is changing. The change may involve an increase or decrease in speed and/or a change in direction. The change may be positive or negative.

Answer

A force that keeps an object moving in a circle.

Answer

The distance traveled by an object per unit time.

Answer

The amount of matter in an object.

Question 2

What is the definition of the term "Astronomical unit"?

Accepted Answer

A unit used to measure distances in the Solar System equal to the average distance between the Sun and Earth, approximately 150 million kilometers, and abbreviated AU.

Answer

A measurement used to describe the speed of planets as they orbit the Sun.

Answer

The time it takes for a planet to complete one full rotation on its axis.

Answer

The total distance light travels in one year through the vacuum of space.

Question 3

What is the definition of the term "Binary fission"?

Accepted Answer

An asexual reproductive process in which a single cell divides into two cells.

Answer

The process by which a multicellular organism grows back a lost limb.

Answer

A type of sexual reproduction involving the fusion of two specialized gametes.

Answer

A method of naming organisms using a two-part scientific name.

Question 4

What is the definition of the term "Autotroph"?

Accepted Answer

An organism that can produce food from inorganic materials (e.g., carbon dioxide, sunlight, water).

Answer

A type of mixture where different parts are blended evenly throughout.

Answer

A microscopic creature that lives inside a host and causes disease.

Answer

An organism that must consume other living things to obtain energy.

Question 5

What is the definition of the term "Homeostasis"?

Accepted Answer

The tendency of a cell, organism, or population to maintain internal stability.

Answer

The physical appearance of an organism based on its genetic makeup.

Answer

The process where a cell divides into two identical daughter cells.

Answer

A change in the characteristics of a population over many generations.

Question 6

What is the definition of the term "Empirical evidence"?

Accepted Answer

Evidence based on observations or experiments rather than theory.

Answer

The use of mathematical formulas to predict the future outcomes of a study.

Answer

Information gathered from reading fictional accounts of historical events.

Answer

A set of beliefs used to explain how the universe was created.

Question 7

What is the definition of the term "Heterogeneous"?

Accepted Answer

A type of mixture in which different parts can be easily distinguished.

Answer

A mixture that is blended so evenly that it looks the same everywhere.

Answer

A chemical reaction that results in the formation of a brand new gas.

Answer

A substance that is made of only one type of atom throughout.

Question 8

What is the definition of the term "Allele"?

Accepted Answer

Any of two or more alternate forms of a gene that an organism may have for a particular trait.

Answer

The physical appearance of an organism resulting from its genetic makeup.

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A specific location on a chromosome where a nucleus is stored.

Answer

A bundle of DNA that contains the instructions for making a protein.

Question 9

What is the definition of the term "Dwarf planet"?

Accepted Answer

A celestial body similar to a planet but orbiting in a zone that has many other objects in it (e.g., Ceres, Pluto).

Answer

A small piece of rock or metal that enters Earth's atmosphere and burns up.

Answer

A large moon that has been pulled into orbit around a gas giant.

Answer

A massive ball of gas that produces its own light through nuclear fusion.

Question 10

What is the definition of the term "Eukaryote"?

Accepted Answer

An organism whose cells contain a nucleus surrounded by a membrane.

Answer

An organism that can only be seen with an electron microscope.

Answer

A type of virus that infects bacterial cells to reproduce.

Answer

A single-celled organism that lacks a distinct nucleus or specialized organelles.

Question 11

What is the definition of the term "Binomial nomenclature"?

Accepted Answer

A system used to name organisms using two words: the genus name and the species name.

Answer

A way to classify organisms based on whether they are autotrophs or heterotrophs.

Answer

A process of mapping the entire genetic sequence of a complex organism.

Answer

A method of dating fossils by measuring the amount of carbon they contain.

Question 12

What is the definition of the term "Amplitude"?

Accepted Answer

The maximum absolute variation of any periodic function (e.g., a wave).

Answer

The distance between two consecutive peaks of a sound wave.

Answer

The number of cycles a wave completes in one second.

Answer

The speed at which a wave travels through a medium like water.

Question 13

What is the definition of the term "Boiling point"?

Accepted Answer

The temperature at which a liquid changes to a gas.

Answer

The temperature at which a solid becomes a liquid.

Answer

the cooling of a gas to form liquid droplets.

Answer

The measurement of the total heat energy within a chemical mixture.

Question 14

What is the definition of the term "Budding"?

Accepted Answer

An asexual reproductive process in which an outgrowth of a parent organism detaches and forms a new individual of the same species.

Answer

A type of sexual reproduction where two different parents combine their DNA.

Answer

The process of a seed growing into a plant after being buried in the soil.

Answer

A method where an organism grows larger by increasing the size of its existing cells.

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