PCS 5th Let's Go Vex Go

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

• conclusion
• procedures
• materials
• data collection

What is an observation?

• A scientific statement based on ideas

• Using your senses to notice what is going on around you

• To be unaware of your surroundings

• The question that you want an answer to.

A series of steps used by scientists to solve a problem or answer a question. 

• scientific method
• recipe
• data collection
• metric system

Tags

NGSS.MS-LS2-1

NGSS.MS-PS2-2

Why do we need repeated experimental trials?

• We like to perform more trials.

• It supports more valid data.

• To throw out the data that does not match the prediction.

• We do not need repeated experimental trials.

Tags

NGSS.MS-ETS1-3

NGSS.MS-ETS1-4

The information you collect while doing your experiment is called

• conclusions

• data

• hypotheses

• procedures

Tags

NGSS.MS-PS1-2

NGSS.MS-PS3-4

Something that you keep the same throughout the experiment is called a _________________.

• variable

• control group

• procedure

• conclusion

Tags

NGSS.MS-PS2-2

What is an independent variable?

• What a scientist changes in an experiment to test their hypothesis

• What scientist measure to see if it responded to a change

• What happens when you do an experiment

• What you keep the same throughout all experimental groups

Tags

NGSS.MS-PS2-2

What is a control group?

• What a scientist changes in an experiment to test their hypothesis.

• What scientist measure to see if it responded to a change.

• What happens when you do an experiment.

• What you keep under normal conditions.

An experiment is performed on plants 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, sunlight, and listens to the same music. In this investigation, the independent variable is ...

• The type of plant
• The amount of sunlight
• The type of music
• The type of liquid

Tags

NGSS.MS-LS1-5

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