Physical Science STAAR Review

Front

What is the most reasonable conclusion that can be made? Options: Cork has the lowest density, Water is less dense than oil, Cork is less dense than water but more dense than oil, Water is less dense than both the cork and the oil

Back

Cork is less dense than water but more dense than oil

Front

What makes Material 4 different from the other materials? Options: Crystals are smaller, Mass is greater, Denser than water, Is not magnetic

Back

Denser than water

Front

A student observed an ice cube physically changing to liquid. This process is called -

Back

Melting

Front

A beaker containing a solution of 10 grams of salt and 50 mL of water is placed on hot plate. How much salt will remain in the beaker after all of the water has evaporated?

Back

10 grams

Front

A student adds sand to a beaker containing water. Which statement is true?

Back

The sand will sink to the bottom.

Front

A student has a mixture of pepper flakes and iron filings. She wants to separate them. Which method would be the fastest and easiest?

Back

Use a magnet to pull out the iron filings.

Front

A student wants to measure the mass of an object. Which tool should he use? (Options: Beaker, Balance scale, graduated cylinder, spring scale)

Back

Balance scale

Front

What are the main forms of energy involved with the system shown? Options: chemical, solar, thermal, electric, mechanical, light, sound, electric, thermal, solar, thermal, light

Back

electric, mechanical, light

Front

All of these are true about sound EXCEPT: sound travels fastest through solids, sound is a type of energy, sound is vibrations, sound travels fastest through gas

Back

sound travels fastest through gas

Front

A battery is attached to a buzzer as shown. The buzzer will only work when- the battery is replaced, another wire connects the buzzer to the positive part of the battery, a switch is added to turn on the circuit, a light bulb is added to the circuit

Back

another wire connects the buzzer to the positive part of the battery