2013 Science STAAR

The diagram shows a view of a ball from above a table. The ball is rolling across the table. A student lightly taps the rolling ball in the direction shown in the picture. In which direction does the ball most likely move after the student taps the ball? (3.6B)

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which of these is the best conductor of electricity? (5.5A)

• Glass rod

• Cotton string

• Plastic tubing

• Copper penny

Tags

NGSS.5-PS1-3

Some beetles break down the remains of dead animals. Some mushrooms break down the remains of dead trees. How do these actions most benefit plants? (5.9A)

• By returning nutrients to the soil

• By releasing oxygen into the air

• By making space for new animals

• By decreasing the population of herbivores

Which of these best demonstrates the reflection of light? (5.6C)

• Looking through the glass of a large window

• Looking at an image formed on a silver spoon

• Looking at a lightbulb that is glowing

• Looking at a star on a clear night

Tags

NGSS.MS-PS4-2

Which of these cycles is a direct result of Earth's rotation? (5.8C)

• Day and night

• Moon phases

• Rainfall and evaporation

• Seasons

Water flows through turbines in dams like the one shown in the picture. The flowing water makes the turbines spin. What type of energy is used to make the turbines spin in this type of dam? (5.6A)

• Light energy

• Thermal energy

• Sound energy

• Mechanical energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

The graph shows changes in the length of the shadow of a tree during part of a day. If this day continues to be sunny, what will most likely happen to the length of the shadow from 2 pm to 4 pm? (4.8C)

• The length of the shadow will stay the same.

• The length of the shadow will decrease and then increase.

• The length of the shadow will increase.

• The length of the shadow will decrease.

Tags

NGSS.MS-ESS1-1

This food web represents organisms in a field. What role do raccoons play in this food web? (5.9B)

• Prey

• Producer

• Decomposer

• Consumer

Tags

NGSS.MS-LS2-2

The picture shows rock layers next to a road. Layer 3 contains many plant fossils. Layer 3 most likely formed in which of these environments? (5.9D)

• Desert

• Forest

• Ocean

• Tundra

A teacher mixes a 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? (5.5A)

• Solubility

• Relative density

• Conductivity

• Mass

Tags

NGSS.MS-PS1-4