Science PM

Which testable question could be used to investigate the effects of force on an object?

• Why do toy cars move?
• Which type of battery lasts the longest?
• Where can magnets be purchased?
• Do balls roll faster on rough or smooth surfaces?

Tags

NGSS.MS-PS2-2

The force of friction is caused by:

• surfaces rubbing against one another
• objects heating or cooling
• rough surfaces
• smooth surfaces

What would take the most force?

• Rolling a rock down a hill
• Pushing a rock on ice
• Pushing a rock on a gravel road
• Pulling a rock on wheels

Tags

NGSS.MS-PS2-2

Some students paint the inside of several boxes. They paint each box a different color. They observe that the inside of the box painted white looks brighter than the others. What is the most likely reason this box looks brighter?

• More light is reflected off white paint
• More is refracted by white paint
• More light passes through white paint
• More light is absorbed by white paint

Tags

NGSS.MS-PS4-2

Which property of light makes it possible to produce hand shadows?

• Light travels in straight lines.
• Light is a form of energy.
• Light can be refracted.
• Light can be separated into different colors.

Arissa looks into a mirror and sees an image of an object. Which diagram shows an X where the object is most likely located?

• F
• G
• G
• J

Tags

NGSS.MS-PS4-2

A group of students built the circuit shown below. The light bulb does not glow. Which statement explains this observation?

• The bell uses most of the energy from the battery.
• The light bulb is not part of a complete circuit.
• The battery is not charged.
• The circuit does not have a switch.

Most cars have lights, power locks, radios, and other equipment that use electricity. Electric circuits power this equipment. Each circuit has a fuse that completes it.  Which of these describes one thing that could happen if the wire in a car fuse burns out?

• The car’s lights will burn brighter.
• The car’s radio will not work.
• The car’s turn signal will blink too slowly.
• The car’s power windows will open faster.

What kind of energy?

• Thermal
• Electrical
• Mechanical
• Radiant

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

What kind of energy does this device use?

• Chemical
• Electrical
• Thermal
• Chemical

Tags

NGSS.MS-PS1-6