Unit 1 Review 6th Science

​Follow all lab procedures

• ​Read all directions BEFORE starting the lab

• ​Write procedures in clear and understandable steps

• ​Make sure you have all of your materials BEFORE you start

• ​Complete all tasks in order

​​General Lab Safety

• ​Follow all instructions carefully

• Tell the teacher immediately if you have a problem

• If you don't understand what to do ask the teacher

• Do not touch any equipment until you are instructed to do so

• ​Keep your area clean

Multiple Choice

Report any accidents to your teacher ______________.

• later

• immediately

• tomorrow

• October 13th

Multiple Choice

Long hair should be ____________ in the laboratory

• tied back

• cut

• down

• curled

Multiple Choice

You should never ______ chemicals in the lab. 

• taste

• touch

• take

• all of the above

Multiple Choice

The proper technique for smelling chemicals is ______________

• keeping your nose close to the glassware

• wafting

• to sniff only a small amount

• Trick question; you never are allowed to smell chemicals in class

​Wear protective gear

• ​Goggles

• ​Gloves

• ​Close-toed shoes

​

​All of these things keep you safe from spills, dangerous powders and liquids, and broken materials

Multiple Choice

You are required to wear goggles when ________.

• chemicals are used.

• heated glass is used.

• working with fire.

• chemicals, heated glass, using acids or fire are being used.

• using an acid in the lab

Multiple Choice

If you get a chemical in your eyes ___________

• rub your eyes six times

• blink really fast

• rinse them using the eyewash station

• call your mom

Multiple Choice

Where should you dispose of any waste materials after the lab is over?

• Garbage

• In the appropriate waste container as directed by the teacher

• Down the drain

• leave them on the table

Explanation Slide...

There are times we will pour things down the drain or throw things in the garbage, but you need to listen to directions to know where everything goes.

Multiple Choice

You are heating a substance in a test tube. Always point the open end of the test tube ________.

• Toward yourself.

• Toward your lab partner.

• Toward another classmate.

• Away from all people.

Match

Match the following lab equipment

test tube

beaker

beaker tongs

pipette

graduated cylinder

• test tube

• beaker

• beaker tongs

• pipette

• graduated cylinder

​Scientific Method

1. ​Question

2. ​Research

3. ​Hypothesis

4. ​Experiment

5. ​Analyze Data

6. ​Conclusion

Multiple Choice

Which of these contains steps in the right order?

• Ask a question, state your hypothesis, research, experiment, analyze, make a conclusion

• State your hypothesis, ask a question, research, experiment, analyze, make a conclusion

• Ask a question, research, state your hypothesis, experiment, analyze, make a conclusion

• State your hypothesis, ask a question, research, make a conclusion, experiment, analyze

Multiple Choice

What is the first step in the scientific method?

• draw conclusions

• ask a question/make an observation

• make a hypothesis

• test the experiment

Multiple Choice

What is the first step in the scientific method?

• Make an observation --> Question

• Design and conduct an experiment

• Make an hypothesis

• Share your results

Multiple Choice

The summary at the end of an experiment that explains the results is... 

• conclusion

• procedures

• materials

• responding variable

Manipualted

Measured

​SAME or UNCHANGED

​COMPARE

Multiple Choice

the variable that the scientist changes OR manipulates.

• constants

• control

• dependent variable

• independent variable

Multiple Choice

Which variables remain the SAME throughout the entire experiment?

• constant variable

• independent variable

• dependent variable

Multiple Choice

you COMPARE the results to this variable or group

• constants

• control

• dependent variable

• independent variable

Multiple Choice

the variables that do not change in an experiment.

• constants

• control

• dependent variable

• independent variable

Multiple Choice

Which variable is the "measured variable"? In other words, what is measured as an outcome of the experiment?

• constants

• control

• dependent variable

• independent variable

Multiple Choice

A plant receives the same amount of sunlight and water at the same time each day. What is the CONSTANT (unchanged)?

• different amount of sunlight

• different plant

• same amount of sunlight, water and same time

Multiple Choice

Jerry believed that fertilizer will make the plant grow faster, so he treated one plant with fertilizer and the other plant did not receive fertilizer. What is the experimental group?

• plant receiving fertilizer

• plant not receiving fertilizer

• plant receiving water because it needs water to grow

Multiple Choice

Michael believed that fertilizer will make the plant grow faster, so he treated one plant with fertilizer and the other plant did not receive fertilizer. What is the control group?

• plant receiving fertilizer

• plant not receiving fertilizer

• Michael believing the plant will grow faster

Multiple Choice

Which brand of paper towel will absorb the most liquid? What is the DEPENDENT variable?

• brand of paper towel

• amount of water absorbed

Multiple Choice

Which brand of paper towel will absorb the most liquid? What is the INDEPENDENT variable?

• Brand of paper towel

• Amount of water absorbed

Multiple Choice

  Pick the control from the following variables..
vanilla ice cream
vanilla ice cream with sprinkles
vanilla ice cream with hot fudge & caramel

• Vanilla ice cream

• vanilla ice cream with sprinkles

• vanilla ice cream with hot fudge & caramel

• I like it all

Multiple Choice

Fact or opinion?

Humans need air to breathe

• Fact

• Opinion

Multiple Choice

Fact or Opinion?

Springtime air smells better than winter air.

• Fact

• Opinion

Multiple Choice

Mars is a planet in our solar system.

• Fact

• Opinion

Multiple Choice

What is this and its use?

• beaker measure volume

• Triple beam balance measure mass

• scale measure weight

• Graduated cylinder measure volume

Multiple Choice

What is the best tool use to measure accurate volume of liquids?

• Anemometer

• Barometer

• Graduated cylinder

• Beaker

Multiple Choice

What tool can you use to find out how the mass of a pencil compares to the mass of a pen?

• Triple beam balance

• meter stick

• thermometer

• spring scale

Multiple Choice

What measurement would you record for this liquid?

• 20.5 g

• 24 mL

• 25 mL

• 24 g

Multiple Choice

What units are used to the record the volume of a liquid measured with a graduated cylinder?

• grams

• meters

• centimeters

• milliliters

Multiple Select

A student gets a sample of resaca water to investigate what is in it. What lab equipment would be best to use to conduct his investigation? Choose all the correct options.

• Microscope

• eye dropper

• measuring tape

• microscope slide

• calculator

Multiple Choice

If hypotheses are not supported, the experimental results are still useful.

• True

• False

What is a Model?

A model is used by scientists to REPLICATE a real thing.

Why do Scientists use Models?

​

Scientists use models to study things that are too big, too small, or too dangerous to study in real life.

Multiple Choice

Models can be helpful in scientific investigations because

• It may not be possible to work safely with the real thing.

• They can be smaller and easier to study than the real thing.

• They can be larger and easier to examine than the real thing.

• all of these answers are correct.

Multiple Choice

Which of these is not a model?

Multiple Choice

What is the advantage of creating a model of a dinosaur?

• they are too large to easily study

• they are too complicated to study

• Real dinosaurs cannot be studied because they are extinct

• The model is safer to work with.

Multiple Choice

Which symbol tells you to wash your hands?

Multiple Choice

Which piece of equipment is a flask?

Multiple Choice

Which person is reading the graduated cylinder correctly?

• Person 1

• Person 2

• Person 3

• Person 4

Multiple Choice

What is the measurement on this triple beam balance?

• 545.7

• 545.5

• 545

• 545.2

Multiple Choice

Which picture below shows proper lab attire and behavior?