Science Common Assessment Review: Matter

When a something goes through a change, why does its mass stay the same?

• A phase change took place

• Energy was destroyed

• Matter was conserved

• New elements were formed

Which of the answers below is NOT an example of a PHYSICAL change?

• Milk souring

• Mixing sugar into water to make a solution

• Breaking a piece of slate

• Molding Clay

Which of the following is an example of a CHEMICAL change?

• A basketball striking a roof of a car

• The roof of a car denting

• Paint from a car cracking and chipping

• Exposed metal becoming rusted

Which of the following defines PHYSICAL change?

• When a object's or substance's atomic structure is changed and is unable to be changed back

• When one substance is transformed into another.

• Its chemical structure is irreversibly altered.

• The form of matter is altered but one substance is not transformed into another. The size or shape of matter may be changed.

What is the volume of the graduated cylinder above?

• 43 ml

• 53 ml

• 40.3 ml

• 43.5 ml

What is the mass of the object measured above?

• 485 g

• 480 g

• 480.5 g

• 400.5 g

A student examined a leaf and said it was comprised of the colors orange, red and brown. What was the student doing?

• Making a prediction.

• Making an inference.

• Making a hypothesis.

• Making an observation.

A student looked at a pile of leaves that were on the ground. They were orange, red and brown. She then stated that the season must be fall. What was she doing when she stated the season based on what she saw?

• Making a prediction.

• Making a hypothesis.

• Making an inference.

• Making an observation.

What is the volume of the liquid above?

• 2.2 ml

• 2.3 ml

• 2.15 ml

• 2.2 ml

A penny is scratched against a piece of rock. What physical property is being tested?

• Streak

• Hardness

• Melting Point

• Elasticity