Science Bowl (19-21, No Pic)

Which of the following explains how water undergoes a change of state in one stage of the water cycle in order to move from the ocean’s surface into the air?

• Liquid water that is heated by the sun becomes a gas and rises.

• Gaseous water rises as it is cooled by the ocean.

• Liquid water that is heated by the sun condenses into rain.

• Gaseous water collects in drops of fog above the ocean’s surface.

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

Which change occurs when lemon juice is mixed with water?

• The mass of the lemon juice decreases.

• The water becomes a solid.

• The lemon juice dissolves and spreads out evenly in the water.

• The volume of the water decreases.

Which statement correctly describes how a landform is formed?

• A lake is formed when flowing water carves out the sides of a canyon.

• A mountain range is formed when glaciers slowly move across the landscape.

• A delta is formed at the mouth of a river when flowing water slows and deposits sediment.

• A U-shaped valley is formed when winds pick up and move sediment away from the landscape.

Tags

NGSS.MS-ESS2-2

A zookeeper sets up a habitat for a certain species of rabbit. Which answer choice describes the rabbit as it interacts with two nonliving parts of the rabbit’s habitat?

• The rabbit breathing air while running down a rocky path

• The rabbit licking its fur while feeding its young

• The rabbit hiding under plants from loud noises

• The rabbit nibbling on vegetation inside the habitat

Tags

NGSS.MS-LS2-3

The moon, the sun, and Earth have different physical characteristics. Which of these best describes a physical characteristic of the sun?

• It is solid and has many layers.

• It rotates on its axis every 24 hours.

• It is mostly made of hydrogen and helium.

• It is smaller and has less gravity than Earth or the moon.

Tags

NGSS.MS-PS1-1

Which landform is a result of rapid changes to Earth’s surface?

• U-shaped valley

• Limestone cave

• Mountain range

• Volcanic island

Tags

NGSS.MS-ESS2-2

Unlike humans, otters have special flaps that close off their nostrils and ears. These flaps help otters survive in an environment that is —

• terrestrial

• snowy

• windy

• aquatic

A student raises a parrot from the time it hatches. Which of these behaviors did the parrot most likely learn from living in the student’s home?

• The parrot flaps its wings while sitting on a perch.

• The parrot has a loud scream that hurts the student’s ears.

• The parrot imitates the family dog barking.

• The parrot tucks its head under its wing when it sleeps.

A student recorded the time it took for all the water in a puddle on a sidewalk to evaporate after a rain. Which kind of energy causes water to evaporate?

• Light energy from streetlights

• Sound energy from passing cars

• Thermal energy from the environment

• Mechanical energy from nearby streets

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Earth continuously rotates on its axis while also moving in an orbit. About how much time does it take for Earth to make one complete rotation on its axis?

• 24 hours

• 30 days

• 60 minutes

• 365 days