Physical Science 1
What is Matter?
anything that has mass and occupies space
What are the three states of matter?
Gas, liquid, and solid
What is density?
the mass per unit volume of a substance
Physical science is the study of...
Matter and energy
What is a melting point?
the temperature at which a solid changes to a liquid
The strongest acid has a ph level of...
0
What is filtration?
to separate solids from a heterogeneous mixture by using a filter, a material with very small holes
Energy can make matter...
move or change
What is a boiling point?
the temperature at which a liquid boils
The strongest alkaline or base has a ph level of..
14
What is distillation?
to separate solids from a heterogeneous mixture by using a filter, a material with very small holes
What is the formula for density?
density= mass/ volume
What is a
homogeneous mixture?
a mixture of substances with a uniform composition (equal); a solution
What measures the acid and alkaline level in a liquid?
The litmus paper color chart
What are the steps of the scientific method?
Observe, question, hypothesis, experiment, conclusion, and results
How can you measure energy?
temperature, force, motion, and electric current.
What is a heterogeneous mixture?
a mixture of substances with a nonuniform composition
What is photosynthesis?
the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar. (food)
What types of questions can be answered with the scientific method?
questions that can be answered through experiments and observations.
What are the 4 forms on energy?
solar, kinetic, gravitational, and chemical.