In an activity, 20 grams of salt are dissolved in 70 grams of pure water. The water is then heated on a hot plate. When the water evaporates completely, how much salt will be left?

A student has puts 4 objects in a bucket filled with water. The objects are listed above. Which two objects are most likely less dense than water?

What is the BEST tool to separate gravel from sand?

In order to find out which towel brand holds the most water, we should do an ____________________.

Which of these is the best conductor of electricity? (5.5A)

A teacher sets up an experiment using five jars. The teacher keeps one jar unwrapped, and the other four jars are wrapped with equal thicknesses of four different materials. Which property of the materials wrapping the jars are the students most likely investigating? (5.5A)

A student reads the label on the bottle of salad dressing shown here. Why would the student shake the salad dressing well before using it? (5.5A)

A cook uses the ingredients listed to prepare a meal. Which table correctly show the physical properties of these ingredients when placed in hot water? (5.5A)

A teacher gives a student four clear sealed containers. Each container holds a different substance. The student records some observations about the substance in each container. Based on these observations, which container most likely holds only gas? (5.5A)

Some students investigate the properties of four objects using a hand lens, a magnet, and a beaker containing water. Their observations are recorded in the table. Which statement identifies a property that could be used to classify these objects into two different groups? (5.5A)

A student classifies the objects shown based on their physical properties. Which property cannot be used to classify these objects into more than one group? (5.5A)

A science class tested three properties of different materials. The results are shown in the table. Based on the table, which material would be best to use to insulate electrical wires? (5.5A)

A student puts four objects in a bucket filled with water. Which two objects are most likely less dense than the water? (5.5A)

A student was asked to compare the masses of four blocks that were all the same size but made of different materials. The student used a balance to compare the masses of two blocks at a time. The student repeated this process three more times with different pairs of blocks and recorded observations. Which list shows the blocks in order from least to greatest mass? (5.5A)

The table lists some properties of four different samples of matter. Which two samples could be glass and saltwater? (5.5A)

A student is asked to design a sleeve for a cup that will insulate thermal energy and not feel hot to the touch when the cup is filled with hot liquid. The student has four materials to choose from. Which of these materials is least useful as an insulator? (5.5A)

For an investigation a teacher dropped a bolt into a container of maple syrup and asked students to remove it without touching the syrup. The students first tried to use a strong magnet to remove the bolt, but it remained on the bottom of the container. They finally poured the syrup into another container to get the bolt out. Which of these best describes some of the bolt's physical properties? (5.5A)

The table lists some physical properties of two objects. Based on their properties, which of the objects is most likely a metal? (5.5A)

Students are investigating properties of objects. They observe four objects and record observations for each object in the table. Based on the students' observations, which of these tables properly identifies the objects? (5.5A)

A student measured out 10 mL of four clear liquids and added one drop of a different-colored dye to each liquid. One of the liquids was water. The student then carefully poured each liquid into a graduated cylinder and let the mixture settle for 30 minutes. The student observed that the liquids had separated into layers, as shown in the diagram. Which of these procedures would help the student identify the layer of water? (5.5A)

Which diagram shows compaction which leads to the formation of sedimentary rock?

Plants are growing on the surface of this pond. How do plants like these form fossil fuels?

The model below shows layers of sediment on the floor of an ocean. Which is the best explanation of how these layers can become rock over years?

The shape of a delta can change over time. The size and shape of this delta over time are NOT likely to be changed by -

The picture below shows a canyon in Northern Arizona. Which best describes how this canyon was most likely formed?

This wide U-shaped valley is shown in the picture. It was most likely formed by -

Which shows a person using an alternative energy source to perform a task?

Citizens in a community were surveyed about the type of energy resource they like for a new power plant. The results are shown below. How many citizens chose alternative energy resources?

The 3 physical states of matter are:

A liquid does not have a definite____ but does have definite____.

A ______ is a type of mixture in which the particles of one or more substances are dissolved.

When a substance spreads out uniformly in a liquid it means that the substance can _______.

Look at the examples of physical changes. Which combination below is a physical change?

Boiling point is at

Look at the items listed and their physical properties.

Which item can be cardboard?

Look at the items listed and their physical properties. Which item can be glass?

The process of changing from gas to liquid is called

You fill 3 graduated cylinders with 50ml of water in each and place them in 3 different places- fridge, desk, and by sunny window. Which one will have the water evaporate quicker?

You're going to the beach and want to separate different mixtures. Which will you be able to separate using your strainer.

Which column headings should the students use for their table?

In which mixtures do all the ingredients maintain their physical state?

A student filled each of four beakers with 100 mL of water at 25 °C. The student added an equal amount of a different substance to each of the beakers of water.

Based on the student’s observations in the table, how many of the substances did NOT dissolve in the water?

A student wants to classify four different objects based on physical properties. The student uses the questions shown in the table to test each object.

Which statement correctly identifies two of the materials based on the classification of properties in the table?

The table lists some physical properties of two objects...

Based on their properties, which of the objects is most likely a metal?

Students are investigating properties of objects. They observe four objects and record observations for each object in the table. Based on the students’ observations, which of these tables properly identifies the objects?

The picture shows a cumulonimbus cloud forming over an ocean. Which statement best explains how the sun and the ocean interact to form a cumulonimbus cloud?

Dylan measured out 10 mL of four clear liquids and added one drop of a different-colored dye to each liquid. One of the liquids was water. Bryan then carefully poured each liquid into a graduated cylinder and let the mixture settle for 30 minutes. Bryan then observed that the liquids had separated into layers, as shown in the diagram.

Yohana stirs 15 grams of each substance listed below into 200 milliliters of water to form four different mixtures. Yohana then tries to separate the water from each mixture by pouring the mixture through a kitchen tea strainer. Which mixture can Yohana separate most easily with the strainer?

A student places objects in a bucket of water to determine if they will float.

Which set of items is less dense than water?

Students conduct an investigation with breakfast cereal. The first four steps of the students’ investigation are in the table shown.

The students are trying to determine the presence of which substance in the cereal?

A student poured equal amounts of water and cooking oil into a jar. The student placed a lid on the jar and shook the mixture for five seconds and then let the jar sit for ten minutes. The results of this investigation are shown.

Which conclusion best compares a property of cooking oil and water shown in this investigation?

Students observe some objects on a lab tray. The students will classify the objects based on physical properties common to all of the objects.

Based on their common properties, how should these objects be classified?