Unit 1 Review: Science Skills

(0001) What part of the scientific method is this?

Susan said, “If I fertilize my geranium plants, they will blossom.”

• recognize a problem

• test the hypothesis with an experiment

• form a hypothesis

• draw a conclusion

(0001) What part of the scientific method is this?

Jose saw bats catching insects after dark. He asked, “How do bats find insects in the dark?”

• recognize a problem

• test the hypothesis with an experiment

• form a hypothesis

• draw a conclusion

(0001) Which part of the scientific method is this?

Michael's experiment showed that guinea pigs need vitamin C and protein in their diets.

• recognize a problem

• test the hypothesis with an experiment

• form a hypothesis

• draw a conclusion

(0002) An experiment is performed to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil and sunlight. In this investigation, the independent variable is ...

• The type of plant

• The amount of sunlight

• The type of music

• The type of liquid

(0002) A student wants to test the effects of type of exercise on heart rate. What is the dependent variable?

• heart rate

• type of exercise

• amount of exercise

• time of day exercise occurs

(0002) Squidward found new reeds to try for his clarinet. He used an APPLAUSOMETER to measure applause after playing the song Under the Sea with each reed. The results were put in the table.

What was a constant/controlled variable?

• The Song

• The Reed

• The Applause

(0003) Anthony designed an experiment to see how the temperature affects the time it takes for a sugar cube to dissolve.

Which factor should Anthony CHANGE in his experiment with the sugar cubes?

• the amount of water he uses

• the size of the sugar cubes

• the temperature of the water

• the time it takes for the sugar to dissolve

(0003) Anthony designed an experiment to see how the temperature affects the time it takes for a sugar cube to dissolve.

Which things should Anthony keep the same in his experiment? Multiple answers!!!

• the amount of water

• the size of the sugar cubes

• the temperature of the water

• the time it takes the sugar cube to dissolve

(0003) Anthony designed an experiment to see how the temperature affects the time it takes for a sugar cube to dissolve.

What tool should Anthony use to measure how much time it takes for the sugar to dissolve?

• ruler

• stopwatch

• graduated cylinder

• thermometer

(1501) What is the calibrated interval of the beaker?

• 10 mL

• 1 mL

• 20 mL

• 100 mL