Answer:
a. Microwaves: Microwaves are a form of electromagnetic radiation and do not have mass or occupy space. Therefore, microwaves are not a form of matter.
b. Helium inside a balloon: Helium is a gas and has mass and occupies space. Therefore, helium inside a balloon is a form of matter.
c. Heat from the sun: Heat from the sun is a form of energy, which is not matter. Therefore, heat from the sun is not a form of matter.
d. Velocity: Velocity is a measure of the rate of change of an object's position and does not have mass or occupy space. Therefore, velocity is not a form of matter.
e. A speck of dust: A speck of dust has mass and occupies space. Therefore, a speck of dust is a form of matter.
f. The color blue: Color is a property of light and does not have mass or occupy space. Therefore, the color blue is not a form of matter.
Step-by-step explanation:
Matter is defined as anything that has mass and occupies space. Matter is made up of atoms and molecules.
Identifying whether or not each of the following is a form of matter: