Which of the following statements best describes the purpose of forming a hypothesis in the scientific method?
To prove a theory correct To prove a theory correct To make predictions about the outcome of an experiment To make predictions about the outcome of an experiment To collect data and analyze results To collect data and analyze results To communicate findings to others To communicate findings to others
To make predictions about the outcome of an experiment
Which of the following is a limitation of scientific models?(1 point) Responses They are too simple to represent complex phenomena They are too simple to represent complex phenomena They are always 100% accurate in their predictions They are always 100% accurate in their predictions They cannot be modified or improved upon They cannot be modified or improved upon They are only used in theoretical research
They are too simple to represent complex phenomena
How are scientific theories different from scientific laws?(1 point) Responses Theories are based on facts, while laws are based on opinions. Theories are based on facts, while laws are based on opinions. Theories are explanations, while laws are mathematical equations. Theories are explanations, while laws are mathematical equations. Theories are always proven, while laws are still being tested. Theories are always proven, while laws are still being tested. Theories can be modified, while laws are fixed and unchangeable.
Theories are explanations, while laws are mathematical equations
How does mass differ from weight?(1 point) Responses Mass is a measure of the force of gravity on an object, while weight is the amount of matter in an object. Mass is a measure of the force of gravity on an object, while weight is the amount of matter in an object. Mass and weight are the same thing. Mass and weight are the same thing. Mass is a measure of the matter in an object, while weight is the force of gravity acting on an object. Mass is a measure of the matter in an object, while weight is the force of gravity acting on an object. Mass and weight are completely unrelated concepts.
Mass is a measure of the matter in an object, while weight is the force of gravity acting on an object.
A block of wood floats in water. Which of the following statements is correct?(1 point) Responses The wood has a higher density than water The wood has a higher density than water The wood has a lower density than water The wood has a lower density than water The wood and water have the same density The wood and water have the same density The density of the wood cannot be determined
The wood has a lower density than water
Which of the following is an example of a mixture?(1 point) Responses Water Water Salt Salt Oxygen Gas Oxygen Gas Air
