OpenSciEd 6.2

What path of light causes you to see the child in this image?

• Sun reflects off car to window, reflects off glass into your eye

• Sun transmits through window, reflects off child, transmits through window into your eye

• Sun transmits through window, transmits through child.

Tags

NGSS.MS-PS4-2

Jenny poured some hot chocolate into a cup and stirred it with a metal spoon.  She noticed the spoon was really warm.  What is the best explanation for this?

• The spoon is a conductor.

• The spoon reflects heat.

• The spoon is an insulator.

• She touched the spoon first and waited to touch the cup.

Tags

NGSS.MS-PS3-3

What observation can you make about what happened to the snowman?

• It changed from a liquid to a solid

• It changed from a liquid to a gas.

• It changed from a gas to a solid.

• It changed from a solid to a liquid.

Tags

NGSS.MS-PS1-4

When you leave your cold drink outside, the glass may have water drops on it.  This is an example of...

• condensation

• evaporation

• precipitation

• estuary

Tags

NGSS.MS-ESS2-4

The heat from a hot burner to a pot is transferred by ______.

• convection

• insulation

• radiation

• conduction

Tags

NGSS.MS-PS1-4

Which of the following images would represent the water in the cup?

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1

The gold marbles represent water particles. The colorful marbles represent plastic particles. What will eventually happen to the water particles if there is no lid?

• Since this represents and open system, the water particles will eventually evaporate.

• Since this represents a closed system, the water particles will stay in the cup.

• There is enought space for the water particles to slip through the side of the plastic particles.

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

Which one of these containers represents an OPEN system (matter can get in and out)?

• 
• 
• 

The independent variable is the ONE thing you change in an experiment. Why do you only change on thing at a time in an experiment?

• Because you want to know what is responsible for the change in your investigation.

• Because it's too expensive to test more than one thing at a time.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-5

Andy stirred a hot drink in a styrofoam cup with a  metal spoon.  In what order did the thermal energy reach Andy's hand?

• cup-hot chocolate-hand

• hand-spoon-hot chocolate

• hot chocolate-spoon-hand

• hot chocolate-spoon-hand-cup