Physical Science Games

The student observes that as marble chips are dissolved in the acid, bubbles start to form. The student also notices that the flask is warm to touch.

What evidence identifies the type of change taking place in the experiment?

• The rise in temperature indicates a chemical change.

• The dissolving marble chips indicate a physical change.

• The rise in temperature indicates a physical change.

• The change of phase of the marble chips indicates a chemical change.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

A student places four same-sized blocks (P, Q, R, and S) made of different materials in a beaker with water. The student observes what happens to each block and makes a list of conclusions. What conclusions are correct?

• 1 and 3

• 2 and 3

• 1 and 2

• 2 and 4

Tags

NGSS.MS-PS1-2

The table shows the physical properties of two materials (X and Y).

Which statement is correct?

• Both Materials X and Y are liquids.

• Material X is a solid, and Material Y is a gas.

• Material X is a liquid, and Material Y is a gas.

• Both Materials X and Y are solids.

Which activity will result in a new substance when completed?

• softening butter

• chopping wood

• breaking a pencil in half

• roasting a marshmallow

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Examine substances X and Y, each placed in identical containers.

Which table correctly classifies each substance?

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-4

A student conducts an activity to compare the hardness of three materials, M, N, and O. The student knows that harder materials scratch softer materials. The student rubs each material against the surfaces of the other two materials and records observations in a table.

How should the materials be sequenced to show decreasing order of hardness?

• Material O; Material M; Material N

• Material M; Material O; Material N

• Material M; Material N; Material O

• Material O; Material N; Material M

Tags

NGSS.MS-PS1-2

A researcher places two objects (M and N) into a large container filled with water. The image shows what happens to objects M and N. Which statement explains why object M floats and object N sinks?

• The density of object M is more than water, and the density of object N is less than water.

• The densities of objects M and N are less than water.

• The density of object N is more than water, and the density of object M is less than water.

• The density of object M is more than object N.

It is easier to float an object in seawater than in fresh water. The reason is that saltwater is denser. So objects that cannot float in fresh water may be able to float in seawater. Which term describes this property?

• Density

• Viscosity

• Buoyancy

• Salinity

The students worked on their boats and finally had the first trial run. Boat 1 and Boat 2 were in hot competition. Boat 1 had a V-shaped hull while Boat 2 had a wide U-shaped hull. Boat 3 also had a wide U-shaped hull. Based on the results of trial #1, what suggestion(s) would you give to Team 3?

• Cover the exterior with tape

• Lower the sides of the hull and make the base larger

• Try and V-shaped hull

• Rework the hull making sure there are no leaks

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

NGSS.MS-ETS1-4

The concentration of a solution can be increased by

• filtering the solution

• adding more solute

• it is impossible to change the concentration of a solution

• adding more solvent