Science Assessment Study Guide

Hernan dissolves 30 g of salt in 600 g of water. What is the mass of the salt that is in the solution after it has been completely dissolved in the water?

• 0g

• 630g

• 30g

• 605g

Tags

NGSS.MS-PS1-5

Oldrin placed a cup of ice water on his desk and went to breakfast. When he returned to his desk after breakfast, he noticed that the cup had drops of water on the outside. Which of the following BEST explains why there were water drops on the outside of the cup?

• The cup started to sweat as the temperature of the ice in the cup increased.

• The lights in the room caused the water to evaporate and move to the outside of the cup.

• The water vapor in the room condensed into liquid water on the outside of the glass.

• The water in the glass froze and melted on the outside of the glass.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Ms. Connelly’s fifth-grade class mixed salt and pepper in a bowl. The salt and pepper grains were the same size. Which one of the following tools would you use to separate the mixture?

• Water and Filter Paper

• Tweezers

• Strainer

• Magnet

A student has a mixture of rocks, sand, and iron nails. The student wants to separate the mixture into three piles: rocks, sand, and nails. Which tools should be used to separate the mixture into the three piles?

• sieve and funnel

• sieve and magnet

• magnet and filter paper

• filter paper and funnel

A student is classifying a sphere by its physical properties. He used a triple beam balance to determine its mass. The mass of the sphere is _________ grams?

• 130g

• 567g

• 137g

• 127g

Gerald has a boiling pot of water. What would happen to the boiling pot if a large amount of cold water were added to it?

• The water would increase in temperature

• The water would stop boiling

• There would be no change in temperature.

• The water would boil faster because there was more liquid.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Ms. Connelly wears protective gloves to lift a metal pan filled with boiling water from a hot plate. Why are protective gloves necessary?

• The metal pan creates thermal energy

• The metal pan reduces thermal energy

• The metal pan insulates thermal energy

• The metal pan conducts thermal energy.

Tags

NGSS.MS-PS3-3

Belen combines a solid and liquid to make a solution and notices that the solid is no longer visible. Based on the conservation of matter, what happened to the solid?

• It was destroyed and then was created again.

• It turned into energy but is still present in the solution

• It dissolved but is still present in the solution.

• It turned into a gas and then was destroyed.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Why is it easier to squeeze the bottle filled with air than the one filled with water?

• A. Water particles cannot move.

• B. Air particles are close together and difficult to compress

• C. Air particles are far apart and can be pushed closer together

• D. Water particles are close together but can be compressed easily.

A class is observing a lake environment. They record the following observations. Which observed objects would be less dense than water?

• Rock and Sand

• Leaf and Wood log

• Sand and Leaf

• Wood log and Rock