Clear Creek Science Bowl

A student is looking for evidence that Earth is always rotating on its axis. Which of the following would provide the best evidence? (5.8C)

• The different amount of rain that falls each day

• The appearance of shadows changing throughout the day

• The presence of other planets in the night sky

• The different phases of the moon in a month

Tags

NGSS.MS-ESS1-1

When a bat searches for prey at night, it makes sounds as it flies, and it uses the sounds' echoes to find its prey. When the bat flies and listens to echoes to locate prey, it is using---(5.6A)

• thermal energy and light energy

• sound energy and thermal energy

• mechanical energy and sound energy

• light energy and mechanical energy

Tags

NGSS.4-PS3-2

NGSS.4-PS4-1

A wide U-shaped valley is shown in the photograph. This valley was most likely formed by-- (5.7B)

• flash flooding

• a glacier

• a hurricane

• melting snow

Tags

NGSS.MS-ESS2-2

A group of students made the observations listed in the table about the size, shape, and appearance of their hands. Which of the students' observations describe inherited traits? (5.10B)

• Observations 2 and 5 only

• Observations 1, 3, and 4 only

• Observations 2, 3, and 5 only

• All the observations

Tags

NGSS.MS-LS3-2

NGSS.MS-LS4-4

Some students make a model to show one of the first steps in the formation of sedimentary rock. The students pour 2 centimeters of light-colored sand into a clear plastic box. Then they add 1 centimeter of gravel. Finally they pour 2 centimeters of dark-colored sand on top of the gravel. Which characteristic of sedimentary rock does this model best show? (5.7A)

• Sedimentary rock is made of layers.

• Sedimentary rock is cemented bits of rock.

• Sedimentary rock is often limestone.

• Sedimentary rock is common in Texas.

Some characteristics of objects in the solar system are listed in the table. Which of the listed characteristics describe both Earth and the moon? (5.8D)

• 
• 
• 
• 

The table lists the preferred diet of several types of birds. Based on this information, which two types of birds do not compete for food resources? (5.9A)

• Purple martin and yellow warbler

• Eastern bluebird and purple martin

• Lesser goldfinch and eastern bluebird

• American goldfinch and lesser goldfinch

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

A science class tested three properties of different materials. The results are shown in the table. Based on the table, which material would be best to use to insulate electrical wires? (5.5A)

• Wood

• Plastic

• Copper

• Steel

Tags

NGSS.MS-PS2-3

Two wires carrying electricity can create a spark if they come too close together. This spark can start a fire. Wires carrying electricity are usually covered with plastic to keep them from starting a fire. Why does the plastic keep the electricity from starting a fire?

• Plastic is a good insulator.

• Plastic is softer than wire.

• Plastic can melt when heated.

• Plastic conducts electricity.

Which of these is the best conductor of electricity?

• Glass rod

• Cotton string

• Plastic tubing

• Copper penny