Ms. Liao is teaching Ms. Lopez about simple circuits and how they work. Which of the following elements should she use to build a model to show Ms. Lopez how circuits work?

A student found different items around the classroom and identified them as conductors and insulators by testing them out on a circuit. The results from their experiment are in the table shown.

Based on the data, what can the student conclude about the mystery items?

The students in Mr. Nguyen's class constructed simple circuits. They placed different items in the gap between the wires. Which of the following materials will conduct electricity?

The manager at a construction site needs a way to move heavy steel beams from one location to another. His employees offered the following arguments about what might help him.

Which arguments from the employees will be helpful for the manager to use to make his decision?

True or False: Mixtures and Solutions are both examples of physical changes.

Which of the following is LEAST LIKELY an example of static electricity?

Sand and gravel may be separated from each other by using

Which one of the following solids is insoluble (can't dissolve) in water?

The separation technique that involves heating a solution until the liquid changes into a gaseous state, leaving behind a solid is known as

A combination of two or more substances that CAN be easily separated is called

A combination of two or more substance that CANNOT be easily separated

If I added 27 grams of salt to water and separated the solution with a hot plate (heating it up and evaporating the liquid), what amount of salt would be left behind?

Which of the following is a method of separating solutions?

A solution is a mixture of one or more substances ___________ evenly into another substance.

Lemonade is a special mixture called a

To separate the sugar and lemonade, what method should you use?

To separate trail mix, what method should you use?

How would you separate the ingredients of Mixture Z?

How would you separate a mixture of sand and salt? (Read all of the steps)

A solution is a special type of mixture.

When sand and water are combined, they create a

A combination of two or more substances where each substance keeps its own properties and both can be easily separated

Which mixture can the students separate most easily using the strainer?

When you add sugar to tea some of sugar's properties change. Which properties of sugar remain the same?

A student made a mixture of salt and pepper. How could the student separate the mixture of salt and pepper?

A magnet that loses all or most of their magnetic strength quickly

To push away from a magnet

To push away from a magnet

to draw to a magnet

A magnet created by running an electric current through it

A naturally occurring magnet: also known as lodestone

The end of the magnet that attracts the south pole and repels the north pole

the end of the magnet that attracts the north pole and repels the south pole.

Which of the following items is NOT attracted to a magnet?

Device that uses a magnet to point in the direction of earth's magnetic poles.

Area around a magnet where its magnetic force exists

Smashing cookies

Frying eggs

Slicing apples

Baking a cake

A firework display

Food digestion

The water cycle

Melting butter

Burning wood

Getting a haircut

Chopping food

Mixing Mentos and Coke

Making popcorn

Smashing a can

A bike rusts

This is a type of change in which matter remains the same.

This is a change in which matter changes to a different type.

In which of the following actions does a physical change occur to separate a mixture?

In which of the following examples is a mixture separated by using physical properties?

A mixture of sand and gravel can be separated by putting in a container with holes only the sand can pass through. This method works to separate the mixture because sand and gravel differ in which physical property?

Which of the following means to make different without changing what the material is made of, such as cutting, folding, melting?

Which of the following means a combination of two or more substances where each keeps its own properties and can be easily separated?

Which of the following means particular types of matter with specific properties?

Which of the following means moving or changing the position of an object?

Which of the following means to make different?

Students heat a white solid in a test tube over a flame. What observation would tell the students that the solid has become a new substance?

A liquid and a solid are combined to form a mixture. Which procedure would most likely produce evidence that a chemical change occur?

Two clear substances are combined inside a plastic bag. The plastic bag is tightly sealed. What observation would indicate that mixing the chemical produced a new substance?

Which of the following means when a new substance is formed?

Which of the following is an example of a chemical change?

Which of the following can be released during a chemical change?

Which of the following means to make different without changing what the material is made of, such as cutting, folding, or melting?

A ______________________ causes the formation of a new substance.

Rain can cause _______ to form on a metal swing set.

Rust occurs because of the ______ being exposed to moisture over a long period of time.

A _______ change is a sign of a chemical change. One example of this is when a half- eaten apple turns brown.

What is a destructive force?

What is a constructive force?

Mountains are an example of a _________ force.

Volcanoes are an example of a _________ force.

Wind is an example of a _________ force.

Nature’s change agents have been both _____________and _____________by building up and carving Earth’s surface for billions of years, creating slow and rapid changes to landforms that resulted in an amazing diversity of landscapes.

Constructive processes build surface features. Several forces have been in action to alter the landscape of Earth for billions of years. Some are _________processes like the deposition of soil and the gradual uplifting of blocks of land along fault zones.

_______ processes quickly change the surface, such as earthquakes and volcanic eruptions.

River deltas, beaches, dunes, sandbars, floodplains, Glacial moraines, and Alluvial fans are all examples of soil deposition and

Can a process that alters the Earth’s surface be both destructive and constructive, such as earthquakes and volcanic eruptions?

________ breaks down land as it carries away weathered material.

The Hawaiian Islands are an example of a ____________ process.

The hot spot volcanoes that are the Hawaiian Islands formed through _____________ processes of repeated lava outflows building up layer upon layer until an entire island resulted.

Below are examples of __________ processes: 1. Erosion 2. Earthquakes 3. Volcanoes 4. Organism impact

Huge hills of sand formed by wind in the desert

A large group of islands close to each other

Steep cliffs with a narrow valley running between them

Lower than mountains but higher than their surrounding areas

Areas of flat land

Low-lying areas between mountains or hills

The highest landform on earth is usually found to be wide at the bottom and narrow at the top with steep rocky sides

Piece of land that is surrounded by water on only THREE sides

Piece of land surrounded by water on ALL sides

Area of raised land that is flat on top, WIDE, and has steep sides

Area of land that is flat on top and has steep sides, but it is medium- sized

What instrument is used to predict a Tsunami?

What instrument is used to predict volcanoes?

What 2 types of technology is used to predict and follow tornadoes?

What are the two scales that scientist use to measure magnitude of earthquakes?

What could a city build to help prevent rivers and coastal areas from flooding?

How are dams and levees alike?

How do storm drains help prevent flooding?

How can a town stop beach erosion without causing erosion in other places?

A seismologist is a scientist who studies ____________

Where are you most likely to encounter levees?

Coastal erosion is reducing the size of a town's beach. Town leaders want to understand how to use technology to control the erosion. Which question should the leaders ask?

A state builds a dam across a river. How will the dam MOST LIKELY affect the region?

Scientists place several seismographs along a mountain chain. Which question will the scientists MOST LIKELY answer with information they collect from the seismographs?

The leaders of a coastal town want to slow the erosion of a nearby beach. Which technology should they research?

Which are possible effects of beach nourishment? Select the best TWO answers.

Which device or devices could be removed without breaking an electric circuit?

Which device or devices could be removed without breaking an electric circuit?

The shock you sometimes feel when you touch a metal doorknob on a dry day is electric _______.

Which of the following is an example of an insulator?

Which of the following is an example of a conductor?

Which of the following is the BEST insulator?

Which of the following is a circuit that has only ONE path for electricity?

Which of the following is a circuit that has MORE than one path for electricity?

A closed pathway through which electrons are conducted is called:

Materials that allow electric current to flow through easily are called:

A form of energy from moving electrons is called:

A material that stops current from flowing is called:

When electrons quickly move, it is called:

When two objects rub against each other, it is called:

The build up of an electric charge on an object is called:

Which of the following is an example of human harnessed electricity?

Which of the following is NOT an example of natural electricity?

Which of the following is needed to make an electric circuit work? Choose ALL that apply.

The electric current in a closed circuit always flows from the ____ terminal of the electric cell to the _____ terminal.

Only one of the circuits below would work to light the light bulb. Choose the circuit below that would make the light bulb light up.

closed pathway that electricity flows through

the power source that pushes electricity around a circuit

Bulb glows only in

Why is a switch used in a circuit?

What are the two places on the battery to which the wires can be attached called?