8th Grade Science EOY Section 1

Nora and Michael are discussing the different physical states in which matter exists. What are these states?

• Solid, liquid, gas, plasma

• Solid, liquid, vapor, mist

• Solid, gas, mist, fog

• Liquid, gas, vapor, ice

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of the following is NOT a physical property of matter?

• Temperature

• Color

• Conductivity

• Reactivity

Tags

NGSS.MS-PS1-4

Noah is trying to find out how tightly packed the matter is in a block of wood. What does density represent in terms of matter?

• The relationship between mass and volume

• The relationship between temperature and pressure

• The relationship between color and texture

• The relationship between hardness and luster

What is a characteristic of a pure substance that does not depend on the size of the sample?

• Density

• Volume

• Mass

• Weight

Arjun is cooking in the kitchen and notices that when he mixes vinegar and baking soda, bubbles form and a gas is released. What does this chemical change involve?

• Rearrangement of atoms

• Change in color

• Change in temperature

• Change in state

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Liam is conducting an experiment to understand the properties of different materials. What is the role of mathematical and computational thinking in his study of matter?

• To calculate and compare densities

• To memorize chemical equations

• To predict chemical reactions

• To design new materials

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-1

Mason found a mysterious crystal during his hike. What can he use to identify this unknown pure substance?

• Physical properties

• Chemical reactions

• Atomic number

• Molecular weight

Abigail is conducting an experiment to determine the boiling point of water. What is an example of a physical property of matter?

• Boiling point

• Reactivity

• Combustibility

• Flammability

Tags

NGSS.MS-PS1-2

Oliver is baking a cake. During the process, he notices that the batter turns into a fluffy cake. What kind of change is this?

• Formation of a new substance

• Change in state

• Change in temperature

• Change in color

Tags

NGSS.MS-PS1-2

Avery is conducting an experiment in the lab to identify a pure substance. What is the significance of identifying and describing a pure substance based on its properties?

• To understand its uses

• To predict its color

• To determine its weight

• To calculate its volume

Tags

NGSS.MS-PS1-1