6th grade winter final

Front

What is density?

Back

Density is the mass of an object divided by its volume, often expressed in grams per cubic centimeter (g/cm³).

Front

How can you determine if an object will float or sink in water?

Back

An object will float if its density is less than that of water (1 g/cm³) and sink if its density is greater.

Front

What is a balanced force?

Back

A balanced force occurs when two forces acting on an object are equal in size but opposite in direction, resulting in no change in motion.

Front

What is an unbalanced force?

Back

An unbalanced force occurs when two forces acting on an object are not equal, causing a change in the object's motion.

Front

What happens to the speed of a car when it is pushed by an unbalanced force?

Back

The speed of the car will increase or decrease depending on the direction of the unbalanced force.

Front

What is the order of liquids from most dense to least dense?

Back

The order of liquids from most dense to least dense can be determined by comparing their densities.

Front

What energy transformation occurs in a light bulb?

Back

The energy transformation in a light bulb is Electrical → Thermal → Light.

Front

What is the formula for calculating density?

Back

Density = Mass / Volume.

Front

What is the significance of the speedometer in a car?

Back

The speedometer measures the speed of the car, but it does not account for external forces like wind.

Front

What is the relationship between mass and volume in determining density?

Back

Density increases with more mass for the same volume and decreases with more volume for the same mass.