Front

What is conduction?

Back

Conduction is the transfer of heat through direct contact between materials. For example, when a metal spoon is placed in hot soup, heat moves from the soup to the spoon's handle.

Tags

NGSS.MS-PS3-3

Front

What is a solution?

Back

A solution is a homogeneous mixture where one substance (the solute) is dissolved in another (the solvent). An example is saltwater, where salt is the solute and water is the solvent.

Front

What charge does a neutron have?

Back

A neutron has no charge; it is neutral.

Front

What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition. An example is curling your hair.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What factors affect gravitational force?

Back

The strength of the gravitational force between two objects depends on their mass and the distance between them.

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NGSS.MS-PS2-4

Front

What is convection?

Back

Convection is the transfer of heat through the movement of fluids (liquids or gases). For example, warm air rising and cool air sinking creates a convection current.

Tags

NGSS.MS-ESS2-6

Front

What is radiation?

Back

Radiation is the transfer of energy through electromagnetic waves. An example is feeling warmth from the sun.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Front

What is a mixture?

Back

A mixture is a combination of two or more substances where each retains its own properties. An example is a salad.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force of gravity acting on that mass.

Front

What is an example of a chemical change?

Back

An example of a chemical change is rust forming on iron when it reacts with oxygen.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5