Category 2 Science

Which is an SI metric unit measurement that is used to record the heat transfer of a solution in a classroom investigation?

• Liter

• Newton

• Volt

• Degree Celsius

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Expansion joints such as these are put on bridges because the concrete expands and contracts. This happens when -

• chemicals get on the concrete

• the temperature changes

• the amount of light changes

• the concrete gets wet

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A mixture of iron filings and sulfur can easily be separated by--

• placing the mixture in water

• performing a chemical reaction

• heating the mixture

• using a magnet

Tags

NGSS.MS-PS1-2

Which organelle functions as a place to store extra water?

• Vacoule

• Chloroplasts

• Nucleus

• Cell membrane

Tags

NGSS.MS-LS1-2

DNA is essential to living organisms because it---

• carries the genetic code

• is a spiral helix

• can prevent diseases

• can break apart

Tags

NGSS.MS-LS3-1

Which instrument would most accurately and precisely determine the mass of a toy car?

• An electronic light meter

• A spring scale

• A triple-beam balance

• A graduated cylinder

Abiotic or Biotic: Water

• Abiotic

• Biotic

Tags

NGSS.MS-ESS2-4

What should you do at the lab station when you are finished?

• clean and dry the table

• clean the equipment and put it away

• unplug and turn things off

• all of these answers

When do you need to wear goggles?

• if you are measuring the length of a string

• if you are weighing a book

• when you are using chemicals

• if you are finding the volume of an object

Tags

NGSS.MS-PS1-2

What do you need to wear to protect yourself from chemical splashes and other dangerous objects?

• goggles

• goggles and apron

• apron