TEST 1 REVIEWLab Safety, Scientific Inquiry, and Properties of the Atmosphere

WHAT DOES THIS SYMBOL REPRESENT?

Poison safety

WHAT DOES THIS SYMBOL REPRESENT?

Thermal Safety

WHAT DOES THIS SYMBOL REPRESENT?

Disposal Alert

WHAT DOES THIS SYMBOL REPRESENT?

Chemical Safety

WHAT DO SCIENTISTS CALL A “A STATEMENT THAT DESCRIBES WHAT ALWAYS SEEMS TO HAPPEN IN A GIVEN SITUATION”?

A scientific law

WHAT IS A THEORY?

A well-tested explanation.

IN THE PENNY LAB, WHICH WOULD BE AN APPROPRIATE HYPOTHESIS?

A) If the water is soapy, the penny will become slippery.

B) If the water is soapy, more water will stay on the penny.

C) If the water is not soapy, the penny will not get clean.

B

IN AN EXPERIMENT, WHAT IS THE MANIPULATED VARIABLE?

A) What the scientist is measuring. B) What the scientist is testing or changing. C) The item that responds.

B

AFTER YOU HAVE ANALYZED YOUR DATA, WHAT SHOULD YOU DO?

Draw a conclusion

FILL IN THE BLANKS

Oxygen is important because most animals 1) ___________ it, 2) ___________ consumes it, and it is in 3) ______________, which protects us from harmful radiation.

1) breathe 2) fire 3) ozone

WHAT THREE THINGS MAKE UP MOST OF OUR DRY AIR?

Nitrogen, oxygen, and other gases

WHAT IS THE SCIENTIFIC WORD FOR EVAPORATION FROM PLANTS?

Transpiration

WHAT IS THIS PROCESS DESCRIBING?

As humid air gets colder, the water vapor turns back into liquid water. When the water contacts a solid surface (such as glass or a particle of dust), it becomes a droplet.

Condensation

FILL IN THE BLANK

Warm air is _________ dense than cold air.

Less

DRAW A CUMULUS CLOUD

WRITE THE EQUATION FOR DENSITY

LAST QUESTION!Make your bids: Bid all, none, or a specific number of points. If you get it right, you gain the points. If you get it wrong, YOU LOSE THE POINTS.

AS ALTITUDE INCREASES, WHAT THREE THINGS DECREASE? Density Pressure Temperature