Fast Science Review

The circuit has three lightbulbs and a bell. Which procedure will result in the green bulb operating, the bell producing a sound, and only one blue lightbulb operating?

• Close Switch 1 and leave Switches 2 and 3 open

• Close Switches 2 and 3, and leave Switch 1 open

• Close Switches 1, 2, and 3

• Leave Switches 1, 2, and 3 open

The picture below shows a spoon in a glass of water. Why does the spoon appear bent?

• the light waves are refracted as they change speed when they pass from the water to the air

• the light waves are reflected as they change speed when they pass from the water to the air

• the light waves are absorbed when they pass from the water to the air

• the light waves bounce off of the water

Tags

NGSS.MS-PS4-2

Which object has the main function of reflecting light.

• mirror

• window

• eyeglasses

• camera

Tags

NGSS.MS-PS4-2

Which of these BEST describes the change in salt grains as they dissolve in water?

• The grains change their chemicals until they become water.

• The grains get higher in temperature until they melt into a liquid.

• The grains get smaller in size until they can no longer be seen.

• the grains are washed clean until they are perfectly clear.

Tags

NGSS.MS-PS1-2

Propose a method to test the effectiveness of different insulating materials in preventing heat loss.

• Place different materials in the sun and measure temperature changes.

• Wrap hot water bottles with different materials and measure temperature over time.

• Burn the materials to see which one lasts the longest.

• Submerge the materials in cold water and measure how quickly they heat up.

Tags

DOK Level 3: Strategic Thinking

Which of the following is an example of a chemical property of matter?

• Density

• Reactivity with vinegar

• Mass

• Volume

Tags

DOK Level 3: Strategic Thinking

How fast does light travel?

• 100 miles per hour

• 1,000,000 meters per second

• 750 miles per hour

• 186,000 miles per second

Answer explanation

Light travels faster than anything in the universe!

Which of the following best defines science?

• A collection of unchangeable facts about the natural world

• The study of the natural world through observation, identification, description, experimental investigation, and theoretical explanations

• A belief system based on assumptions about the natural world

• A method for proving theories beyond doubt

Tags

DOK Level 1: Recall

What is a hypothesis?

• A guess about the outcome of an experiment.

• A statement that can be tested and is based on observations and previous knowledge.

• A summary of the results of an experiment.

• A law that explains a natural phenomenon.

Tags

NGSS.HS-PS1-2

What is a testable idea or explanation that leads to scientific investigation called?

• Law

• Theory

• Hypothesis

• Frequency

Tags

NGSS.MS-ETS1-4

NGSS.MS-LS1-5