Scientific Investigation

The instrument pictured is used to measure the volume of a liquid...

• graduated cylinder

• thermometer

• flask

• beaker

A graduated cylinder is used to measure the __________ of a liquid.

• temperature

• mass

• volume

• length

A student set up an experiment to test how much bean plants will grow in soil with salt in it. The student grew 50 plants in one group and 50 plants in the other group. The only thing that can be different in the two groups is the amount of -

• soil in each plant pot

• salt in the soil in each plant pot

• water given to each plant

• fertilizer given to each plant

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

A student is investigating the time it takes for different objects to reach the ground after they are dropped. The constant in this investigation is the -

• weight of each object

• object being dropped

• distance to the ground

• time to reach the ground

Series of steps followed by scientists to answer questions.

• Graph

• scientific method

The factor that is deliberately changed or manipulated is

• A theory

• The dependent variable

• The data

• The independent variable

Tags

NGSS.MS-PS2-2

Using your POGIL packet, choose the 3 conditions that were kept the same during the researcher's experiment with the Rhinoceros Beetle.

• Body Length

• Light Exposure

• Temperature

• Amount of Food

• Type of Containers

Answer explanation

Be careful when reading the Models and the little notes at the bottom of each model. Also, be sure to read through each 'box' in the passages.

Which type of investigation does not have a hypothesis? (a)  

• Descriptive

• Comparative

• Experimental

A student wants to compare the masses and volumes of three marbles. Which two instruments should be used?

• thermometer and balance

• graduated cylinder and centimeter ruler

• centimeter ruler and thermometer

• balance and graduated cylinder

Students collect pond water in their beakers. Which is the best unit of measurement for the volume of water they collect?

• grams

• meters

• centimeters

• milliliters