Which of the following is an unsafe lab practice
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Which of the following is an unsafe lab practice? PowerPoint PPT Presentation


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Which of the following is an unsafe lab practice?. Tie your hair back Rinse hands after an experiment Wear goggles Heat chemicals in a closed beaker.

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Which of the following is an unsafe lab practice?

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Which of the following is an unsafe lab practice

Which of the following is an unsafe lab practice?

Tie your hair back

Rinse hands after an experiment

Wear goggles

Heat chemicals in a closed beaker


Which of the following is an unsafe lab practice

A teacher wants to test the effects citrus air freshener has on class performance. Which of the following would be the BEST test for her investigation?

Measure the amount of air freshener

Look at students previous grades

Compare grades before and after the use of air freshener

Look at students grades on new test


Which of the following is an unsafe lab practice

Greg is testing the effect fertilizer has on pumpkin growth. His experiment requires 20 pumpkins. 10 pumpkins were given the 10 mL of water and 10 mL of fertilizer. How can this experiment be strengthened?

By increasing amount of sun

By adding a control

By measuring all the pumpkins

By using different fertilizers


Which of the following is an unsafe lab practice

Greg is testing the effect fertilizer has on pumpkins. His experiment requires 20 pumpkins. 10 pumpkins were given the 10 mL of water and 10 mL of fertilizer. What should be done with the other 10 pumpkins?

Add 10 mL of a different fertilizer

Add 10 mL of water

Don’t water them

Give them 10 mL of sugar and water


Water pumpkin growth fertilizer the amount of fertilizer

Greg is testing the effect fertilizer has on pumpkin growth. His experiment requires 20 pumpkins. 10 pumpkins were given the 10 mL of water and 10 mL of fertilizer. What is the independent variable in this experiment?

water

Pumpkin growth

fertilizer

The amount of fertilizer


Which of the following is an unsafe lab practice

Greg is testing the effect fertilizer has on pumpkin growth. His experiment requires 20 pumpkins. 10 pumpkins were given the 10 mL of water and 10 mL of fertilizer. If Greg’s results are valid then what should other students be able to do?

Perform the same experiment and get different results.

Repeat the experiment with a different fertilizer.

Repeat the same experiment with the same results.

Perform the same experiment with squash.


Which of the following is quantitative data

Which of the following is quantitative data?

10 pumpkins grew larger

Pumpkin 10 and 11 are orange

Pumpkins are orange

Pumpkins have seeds.


Which macromolecule is described below part of the cell membrane

Which macromolecule is described below:Part of the cell membrane

Carbohydrates

Lipids

Nucleic acids

Proteins


Which macromolecule is described below built using amino acids

Which macromolecule is described below:Built using amino acids

Carbohydrates

Lipids

Nucleic acids

Proteins


Which macromolecule is described below tested using the brown paper bag test

Which macromolecule is described below:Tested using the brown paper bag test

Carbohydrates

Lipids

Nucleic acids

Proteins


Which macromolecule is described below supply energy

Which macromolecule is described below:supply energy

Carbohydrates

Lipids

Nucleic acids

Proteins


Which macromolecule is described below breaks down glucose

Which macromolecule is described below:breaks down glucose

Carbohydrates

Lipids

Nucleic acids

Enzymes


Which of the following is not a factor that causes enzymes to not work properly

Which of the following is NOT a factor that causes enzymes to not work properly.

temperature

Concentration

pH

color


Which of the following are elements not found in macromolecules

Which of the following are elements not found in macromolecules?

Carbon

Phosphorus

Nitrogen

Helium


Which of the following would happen if the active site changed shape

Which of the following would happen if the active site changed shape?

Protein/

enzyme

The protein (enzyme) will work faster

The protein (enzyme) will work slower or not at all.

The nucleic acid will work faster

The nucleic acid will work slower or not at all


Which of the following is an unsafe lab practice

The picture below shows a cell with membrane bound organelles and a nucleus. Which of the following describes this cell?

Prokaryotic

Eukaryotic

Bacteria

Viral


Which of the following organelles converts sugar into energy

Which of the following organelles converts sugar into energy?

Structure 3

Structure 6

Structure 7

Structure 5


Which of the following organelles digest old cell parts

Which of the following organelles digest old cell parts?

Structure 3

Structure 1

Structure 7

Structure 5


Which of the following organelles makes proteins

Which of the following organelles makes proteins?

Structure 3

Structure 1

Structure 7

Structure 5


Which of the following organelles contain the information that passes from parent to offspring

Which of the following organelles contain the information that passes from parent to offspring?

Structure 3

Structure 1

Structure 7

Structure 5


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