Podcast
Questions and Answers
Diamonds, water, and air are not substances.
Diamonds, water, and air are not substances.
False (B)
The mass of an object can change.
The mass of an object can change.
False (B)
Weight is a measure of the amount of Earth's attraction to a body.
Weight is a measure of the amount of Earth's attraction to a body.
True (A)
The weight of an object on the moon is greater than its weight on Earth.
The weight of an object on the moon is greater than its weight on Earth.
Volume is measured in units called newtons.
Volume is measured in units called newtons.
The volume of a cube that is 1 cm long, 1 cm wide, and 1 cm high is 1 cubic centimeter.
The volume of a cube that is 1 cm long, 1 cm wide, and 1 cm high is 1 cubic centimeter.
The volume of a regular object, such as a parallelepiped solid rectangle, can be calculated by multiplying its length (l), width (w), and height (h).
The volume of a regular object, such as a parallelepiped solid rectangle, can be calculated by multiplying its length (l), width (w), and height (h).
To measure the volume of an irregular object, it is placed in a graduated laboratory and the change in the water level is measured.
To measure the volume of an irregular object, it is placed in a graduated laboratory and the change in the water level is measured.
Solid bodies have a specific shape and occupy a specific space, regardless of the shape and size of the vessel they are in.
Solid bodies have a specific shape and occupy a specific space, regardless of the shape and size of the vessel they are in.
Liquids have a higher energy than gas molecules.
Liquids have a higher energy than gas molecules.
Gases have a specific shape and occupy a specific space in which they are placed.
Gases have a specific shape and occupy a specific space in which they are placed.
Water becomes more dense when it freezes.
Water becomes more dense when it freezes.
