Scientific Investigations Review

Most scientific investigations/ methods begin with this

• variable

• conclusion

• question

• science

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
• Using tools to find out the answer

Tags

NGSS.MS-LS1-8

Which of the following should be done first in a scientific investigation/method?

• Propose a hypothesis

• Analyze data

• Conduct an experiment

• Identify a question or problem

Commonly conducted to test a hypothesis

• variable

• science

• data

• experiment

Tags

NGSS.MS-PS3-4

A student is investigating the time it takes for different objects to reach the ground after they are dropped. What is the variable in this investigation ?

• weight of each object

• object being dropped

• distance to the ground

• time to reach the ground

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

This tool measures temperature.

• Graduated cylinder

• Triple beam balance

• Thermometer

• Ruler

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of the following is an observation about grasshoppers that a science class could have made on their nature walk?

• The grasshoppers are green with long back legs and antennae.

• The grasshoppers will live longest in a container filled with plants.

• The grasshoppers will probably eat more grass than tree leaves.

• The grasshoppers all hatched from eggs laid the year before.

We used these units when measuring volume.

• Milliliters (mL)

• Centimeters (cm)

• Degrees Celsius (°C)

• Grams (g)

This tool measures length.

• Graduated cylinder

• Triple beam balance

• Thermometer

• Ruler

This tool measures volume.

• Graduated cylinder

• Triple beam balance

• Thermometer

• Ruler