5.p.2.1-2.3

Jane took a 1 ounce slice of bread and cut it into 2 pieces. On one side, she put 2 ounces of peanut butter. On the other side she put 1 ounce of jelly. Which will most likely be the weight of the finished sandwich? 

• 7 ounces
• 3 ounces
• 6 ounces
• 4 ounces

Jennifer left her bike outside, buried in snow. In the spring, when the snow melted, she found her bike covered in rust. Which best describes the change to the bike? 

• It was a chemical change, because the bike was a different color. 
• It was a chemical change, because the rubber tires were deflated. 
• It was a chemical change, because rust can be removed from the metal. 
• It was a chemical change, because rust is a new substance on the metal. 

Tags

NGSS.MS-PS1-2

A piece of wood is sawed into several small pieces. This is an example of what kind of change? 

• physical
• chemical
• electrical
• mechanical

Dry ice immediately becomes a gas at room temperature. How much will the contents of 500 g of dry ice, placed in a closed container at room temperature, weigh after half the dry ice turns into a gas? 

• 250 g
• 350 g
• 500 g
• 600 g

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

When Maria went for a walk early in the morning, she noticed the ground was wet. It had not rained overnight, but there were water droplets on the grass.
What best explains why the water droplets formed on the grass?

• Clouds formed.
• The Sun went down.
• Winds became stronger.
• The air temperature became cooler.

Tags

NGSS.MS-PS1-4

Which would most likely cause more runoff?

• decrease in transpiration
• increase in precipitation
• decrease in precipitation

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-1

After a rain, a puddle of water remains on a sidewalk. After a day of sunshine, the puddle is gone. Which process is most responsible for the disappearance of the puddle?

• condensation
• evaporation
• transpiration
• precipitation

Tags

NGSS.MS-ESS2-4

In which way are evaporation and condensation similar?

• Both are caused by changes in heat energy.
• Both are caused by the warming of the atmosphere.
• Both cause increases in air temperature.
• Both cause decreases in air temperature.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which experiment would most resemble the complete water cycle?

• watering plants
• burning wet wood
• water flowing from a faucet
• boiling a pot of water with a lid on it

Tags

NGSS.MS-ESS2-4

A family goes camping and creates a fire to roast marshmallows. The next morning, the kids notice that the logs are no longer there, and all that remains are ashes. Which best explains why the ashes from a log are evidence of a chemical change?

• The color of the wood changed from brown to gray. 
• The wood breaks down into smaller matter when burned.
• The ashes cannot be put back together to create a log again.
• Something was added to the log, and it cannot be removed. 

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5