What is the purpose of making observations in the scientific method?.
To gather data and information
To prove a hypothesis
To develop a conclusion
To form bias
2. Which of the following statements best describes the purpose of forming a hypothesis in the scientific method? (1 point)
To prove a theory correct
To make predictions about the outcome of an experiment
To collect data and analyze results
To communicate findings to others
3. Which of the following is a limitation of scientific models?
They are too simple to represent complex phenomena
They are always 100% accurate in their predictions
They cannot be modified or improved upon
They are only used in theoretical research
4. How are scientific theories different from scientific laws? (1 poir
Theories are based on facts, while laws are based on opinions.
Theories are explanations, while laws are mathematical equations.
Theories are always proven, while laws are still being tested.
Theories can be modified, while laws are fixed and unchangeable.
5. How does mass differ from weight? (1 point)
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 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.
6. A block of wood floats in water. Which of the following statements is correct? (1 point)
The wood has a higher density than water
The wood has a lower density than water
The wood and water have the same density
The density of the wood cannot be determined
7. Which of the following is an example of a mixture? (1 point)
Water
Salt
Oxygen Gas
Air
8. Particles in each state of matter behave differently because they have different amounts of thermal energy. For each statement below, select whether it is true or false. (1 point)
Particles in a solid are packed tightly. True or False
Particles in a solid have thermal energy. True or False
Particles in a solid are completely still. True or False
9. Determine whether each statement below is true or false to complete the table. (1 point)
The nucleus of an atom is found in the atom's center. True or False
The nucleus of an atom contains at least one proton. True or False
A neutron has a positive electrical charge. True or False
Most of an atoms mass is found in protons and neutrons. True or False
10. Which of the following statements best describes the periodic table? (1 point)
A chart that organizes elements based on their atomic number.
A chart that lists elements in alphabetical order.
A chart that groups elements based on their melting points
A chart that shows the number of electrons in each element.
1. To gather data and information
2. To make predictions about the outcome of an experiment
3. They are too simple to represent complex phenomena
4. Theories are explanations, while laws are mathematical equations.
5. Mass is a measure of the matter in an object, while weight is the force of gravity acting on an object.
6. The wood has a lower density than water
7. Air
8. True, True, False
9. True, True, False, True
10. A chart that organizes elements based on their atomic number.