Science Test Prep

Which of the following best explains why piece of wood is a solid and not a liquid.

• It is white in color

• It takes the shape of its container

• You can weigh it on a scale

• It has molecules more tightly packed than a liquid.

Tags

NGSS.MS-PS3-4

Water vapor can be cooled into a liquid by which of the following

• Freezing

• Condensing

• Boiling

• Melting

Tags

NGSS.MS-PS1-4

Which term means “ a combination of two or more substances that maintain their properties?”

• Solution

• Mixture

• Matter

• Dissolve

Which of these best describes the change in sugar grains as they dissolve in water.

• The grains get hotter until they melt into a liquid

• The grains are washed until they are clear.

• The grains dissolve and get smaller in size until they can no longer be seen.

• The grains change their chemical and become water?

Tags

NGSS.MS-PS1-2

Which of the following best defines science?

• A collection of unchangeable facts about the natural world

• The study of the natural world through observation, identification, description, experimental investigation, and theoretical explanations

• A belief system based on assumptions about the natural world

• A method for proving theories beyond doubt

Tags

DOK Level 1: Recall

Create a plan to investigate whether the phase of the moon affects the behavior of nocturnal animals.

• Observe animals during the day over different moon phases.

• Compare animal behavior during full moon and new moon nights.

• Study animal behavior only during full moons.

• Ignore moon phases and focus on seasonal changes.

Tags

DOK Level 4: Extended Thinking

What happens to the physical properties of a spoonful of salt when mixed with water?

• The salt no longer tastes salty

• The salt evaporates into the water.

• The salt dissolves and can no longer be seen as a solid.

• The physical properties of the salt do not change.

Tags

NGSS.MS-PS1-2

Bamboo is a type of tree that has many uses from flooring to decoration. Johnathan puts a quarter and a piece of bamboo in a beaker. Why would the piece of bamboo float and quarter sink?

• The bamboo and quarter are different states of matter

• The bamboo and quarter are different shapes

• The bamboo and quarter have different densities

• The bamboo and quarter are different sizes.

Leah adds a cup of dried beans to a cup of dried rice in a bowl. Which does not happen?

• The beans and rice will be able to be separated.

• The beans and rice will maintain their physical properties

• The rice and beans will be together in the bowl

• The rice and beans combine to make a new substance.

Nancy added a spoon of salt to a glass of water. Which statement is not true about the solution?

• The salt evaporated from the water.

• The salt dissolved in the water.

• The salt caused the water to become a solution.

• The salt particles became smaller in size.

Tags

NGSS.MS-PS1-2