#1/ 5th Science

Which set of items is less dense than water?

• Plastic paper clip, penny, and cork

• Toothpick, metal spoon, and plastic paper clip

• Metal spoon, vegetable oil, and penny

• Toothpick, cork, and vegetable oil

A student is classifying objects. Answering which question will provide the best evidence that an object is a metal?

• What is its mass?

• What is its physical state?

• Does it conduct thermal energy?

• How quickly does it dissolve in water?

Tags

NGSS.MS-PS3-3

A student pours 14 grams of sugar into a jar filled with 500 milliliters of water. The student thoroughly stirs the sugar and water to make a solution. Which change most likely occurs to the sugar when it is added to the water?

• The sugar breaks down to form a new substance in the solution.

• The sugar changes water into a new substance in the solution.

• The sugar floats on the surface of the water in the solution.

• The sugar completely dissolves in the solution.

The students are trying to determine the presence of which substance in the cereal?

• Sugar

• Iron

• Salt

• Wheat

Tags

NGSS.MS-PS1-2

Which conclusion best compares a property of cooking oil and water shown in this investigation?

• Cooking oil is less dense than water.

• Water is less dense than cooking oil.

• Water dissolves in cooking oil.

• Cooking oil dissolves in water.

Tags

NGSS.MS-PS1-2

Based on their common properties, how should these objects be classified?

• 
• 
• 
• 

Water in the gas state can be cooled into a liquid by which of the following?

• Freezing

• Condensing

• Melting

• Boiling

Tags

NGSS.MS-PS1-4

What can you observe about water on a hot summer day?

• Heat evaporates water.

• Heat has no effect on water.

• Heat causes water to melt.

• Heat makes the water more salty.

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

What causes the popsicle to drip?

• Light from the Sun changed the popsicle from a liquid to a gas.

• Heat from the Sun evaporated the popsicle into the air.

• Wind caused the popsicle to change shape.

• Heat from the Sun changed the popsicle from a solid to a liquid.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What will most likely happen to the liquids in the graduated cylinder?

• The oil will remain on the bottom because there is more of it.

• The oil will remain on the bottom because it was poured in first.

• The oil will rise to the top because it is less dense than water.

• The oil will mix with the water and form a solution.

Tags

NGSS.MS-PS1-2