STAAR REVIEW

A student helped his father prepare soup for dinner. His father asked him to use a wooden spoon to stir the soup as it heated.

Why would the student's father ask him to use a wooden spoon?

• The wooden spoon is able to float in the soup

• the wooden spoon is able to sink in the soup

• the wooden spoon is a good conductor of thermal energy

• The wooden spoon is a good insulator of thermal energy

When using a solar-powered calculator, what source of energy is being used to power the calculator?

• Electrical Energy

• Light Energy

• Mechanical Energy

• Sound Energy

Over a period of 40 years, the amount of rain that fell in the central Texas area was measured and recorded. Monitoring and tracking rainfall over a long period gives the most accurate information about--

• amount of humidity

• weather

• climate

• high temperature

Tags

NGSS.MS-ESS2-6

What is one difference between weather and climate?

• weather describes conditions near the ground, but climate does not.

• Climate describes energy from the sun, but weather does not.

• weather includes precipitation, but climate does not.

• Climate describes long-term conditions over an entire region, but weather does not.

Which event best describes an example of evaporation?

• Water flows downhill after a storm

• Dark clouds form in the sky

• Rain water oaks into the ground

• Solar energy heats water at the ocean's surface.

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

In the water cycle, the Sun's energy is directly responsible for causing the process at location---

• A

• B

• C

• D

Tags

NGSS.MS-ESS2-4

Which of the following best illustrates the direction of energy flow through the food web above?

• Spider to Grasshopper to Grass

• Hognose snake to toad to grasshopper

• Grass to rabbit to hawk

• mouse to spider to toad

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

A student puts four objects in a bucket filled with water. the objects are listed below.
∎Plastic ball
∎Glass Marble
∎Metal paper clip
∎Wood block
Which two objects are most likely less dense than water?

• Wood block and metal paper clip
• Plastic ball and glass marble
• Metal paper clip and glass marble
• Wood block and plastic ball

Which of these is not soluble in water?

• Oil
• Salt
• Honey
• Sugar

A teacher mixes white powder into a beaker of water. The powder cannot be seen in the water. The teacher then heats the mixture until the water evaporates and the powder can be seen again. Which property of the powder is the teacher demonstrating?

• Solubility
• Density
• Conductivity
• Mass

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4