Matter and Energy

A beaker with 115 mL of solution has a temperature of 21^o C. The solution contains 5g of salt and 115 mL of water. Alex added two ice cubes to the solution and stirred the solution with a stirring rod. Which properties of the solution changed as the ice cubes melted?

• the color and physical state of the solution

• the volume, temperature, and mass of the salt in the solution

• the physical state and temperature of the solution

• the temperature, mass, and volume of the solution

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

A teacher gives a student four clear sealed containers. Each container holds a different substance. The student records some observations about the substance in each container. Based on these observations, which container most likely holds only gas?

• Container 1

• Container 2

• Container 3

• Container 4

A student classifies the objects shown based on their physical properties. Which property cannot be used to classify these objects into more than one group?

• Magnetism

• Mass

• Electrical conductivity

• Solubility in water

Tags

NGSS.5-PS1-3

Students are investigating properties of objects. They observe four objects and record observations for each object in the table. Based on the students’ observations, which of these tables properly identifies the objects?

• 
• 
• 
• 

Tags

NGSS.5-PS1-3

The diagram below shows a fish being viewed from above the water. The fish appears to be closer to the surface than it really is. What causes this difference?

• light is reflected

• light is refracted

• light is focusesd

• light is blocked

Tags

NGSS.MS-PS4-2

Claire has salt, gravel, shampoo, and sugar. She stirs 15 g of each into 200 mL of water to create four different mixtures. She then tries to separate the water from each mixture by pouring the mixture through a tea strainer. Which mixture can Claire separate most easily with the strainer?

• salt and water

• sugar and water

• gravel and water

• shampoo and water

Students measure the amount of an unknown substance that dissolved in water at different temperatures. What was the independent variable in this investigation?

• Amount of substance dissolved

• Unknown substance used

• Water temperature

• Water volume

Tags

NGSS.MS-PS3-4

A student made the model above which shows the particles in a solid. To improve the model, the student should -

• put the beads in a square container

• take out some beads so the particles can move more easily

• shake the container gently to show how the particles vibrate

• use different-colored beads to make the particles easier to see

Tags

NGSS.MS-PS1-1

When water evaporates, it changes from a __ to a gas.

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

What kind of energy do all moving objects have?

• Light energy

• Solar energy

• Kinetic energy

• Renewable energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4