SCIENCE REVIEW 2023

When an object vibrates, causing air particles to move and vibrate, sound is produced. If the vibrations are fast, what feature of sound is heard?

• low pitch

• high pitch

• soft sound

• loud sound

Tags

NGSS.HS-PS4-1

An electrical component which includes a path that electrical energy flows on is called

• a closed circuit

• an open circuit.

• filament

• battery

Which statement correctly describes the difference between the revolutions of planets and moons in the solar system?

• Planets revolve around Earth, and moons revolve around planets.

• Planets revolve around the Sun, and moons revolve around Earth.

• Planets revolve around moons, and moons revolve around the Sun.

• Planets revolve around the Sun, and moons revolve around planets

Tags

NGSS.MS-PS2-4

John wants to compare how fast water (H₂O) will drain through three different types of soil. He gets three soil samples of equal size and puts each into a Styrofoam cup. Six equal-sized holes are punched into the bottom of each cup. One at a time, John adds 50 milliliters of water to each soil. He measures and records the amount of time required for the water to completely drain through each type of soil.

Carefully read the description of John’s experiment above. Which of the following is a variable in this experiment?

• the type of soil

• the amount of water poured into the soil

• the number of holes in the bottom of the cup

• the amount of soil in each sample

What is the Milky Way?

• our solar system

• our home galaxy

• our constellation

• our universe

Tags

NGSS.MS-ESS1-2

The Moon does not make its own light. It is lit by the Sun. Which statement explains why we are able to see the Moon?

• The Moon is larger than the Sun.

• The Moon bends light from the Sun.

• The Moon reflects light from the Sun.

• The Moon absorbs light from the Sun.

Tags

NGSS.MS-PS4-2

A student tested different items to determine which items conduct electricity. 

Which list of items includes only items that did NOT conduct electricity?

• copper wire, glass rod, steel paper clip

• rubber eraser, glass rod, plastic button

• steel paper clip, plastic button, glass rod

• rubber eraser, plastic button, copper wire

When a person looks into a mirror, how do light rays behave to allow the person to see the image?

• The light rays are bent by the mirror.

• The light rays are stopped by the mirror.

• The light rays are reflected by the mirror.

• The light rays are absorbed by the mirror

Tags

NGSS.MS-PS4-2

Which material BEST conducts heat and electricity?

• metal

• plastic

• rubber

• wood

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

A student wants to test how music affects plant growth. She places one plant in a quiet sunny room and one plant in a sunny room with classical music playing. She waters both plants the same amount. What is the variable being tested in her investigation?

• Amount of water given

• Classical music playing

• Amount of sunlight received

• Plant growth

Tags

NGSS.MS-LS1-5