Science Questions

Front

Science is based on:

Back

Experiments and observations

Front

What is a scientific hypothesis?

Back

An educated guess or testable explanation

Front

Which of the following is a characteristic of Life? Options: Growth and Development, Inertia, Randomness, Stagnation

Back

Growth and Development

Front

How do you find the mass number of an atom?

Back

By adding the number of protons and neutrons

Front

The Atomic number is equal to:

Back

The number of protons in an atom

Front

An ionic bond is a type of chemical bond that involves the attraction between:

Back

Two oppositely charged ions

Front

What type of ion forms when it loses an electron? Or gains an electron?

Back

It has a positive charge when it loses an electron, and a negative charge when it gains an electron

Front

What is the difference between cohesion and adhesion in water?

Back

Cohesion refers to the attraction between water molecules, while adhesion refers to the attraction to the walls of the container or other objects.

Front

Who was the first scientist to use microscopes to view “cells”?

Back

Robert Hooke

Front

What made the study of cells possible?

Back

The invention of the microscope