It is difficult to see the surface of Venus through a telescope. Which feature of Venus best explains why its surface is difficult to observe from Earth?

While looking at the sky one night, Patric saw a streak of light. Patric’s father told him that the light was produced by a small chunk of rock passing through Earth’s atmosphere. Which of these terms best describes what Patric saw?

A meteoroid is a chunk of rock traveling through the solar system. How is a meteorite related to a meteoroid?

The diagram below shows a planet and the sun.

What does the arrow on the diagram show?

Why is the sun considered the center of the solar system?

Omar created a poster showing the solar system. Omar’s poster is shown below.

Which of these details in Omar’s poster is most accurate?

A student’s model of the solar system is shown below.

Which of these objects would most likely be found between Mars and Jupiter?

Ganymede is a moon of Jupiter. It is larger than Mercury and has a metallic core similar to Earth’s core. Which of these statements best explains why Ganymede is classified as a moon rather than a planet?

During a visit to an observatory, David observed the moon, Venus, the sun, and the star Sirius. Which of these objects is outside of the solar system?

Which of these characteristics distinguishes the outer planets from the inner planets?

Earth and Saturn are both planets orbiting the sun. Which of these other features do the two planets have in common?

The masses of objects in the solar system can be reported by comparing them to the mass of Earth. Which of these planets in the solar system most likely has a mass more than 300 times greater than the mass of Earth?

The diagram below is a model of part of the solar system.

Which three types of objects are shown in the model?

Pluto was once called a planet. In 2006 it was reclassified with other nearly round bodies whose objects cross the orbits of other bodies. Which of the terms describes Pluto?

A comet is a chunk of frozen gases, rock, ice, and dust. When does a comet form a visible tail?

The......................... are also called the gas giants.

..............................is the first planet in order in our solar system.

Venus and Mercury have ........ moons.

........................is also known as the "Red Planet".

A.................. is made up of a star and the planets and other space objects that revolve around it.

The number of the inner planets is......................., and they are the closest to the sun.

............... is the largest planet in our solar system.

The................ of the planets in our solar system are oval-shaped or elliptical.

...................... are small natural objects that revolve around other objects.

..............................is the last planet in order in our solar system.

What are 2 characteristics of the inner planets?

What are 3 characteristics of the outer planets?

Pluto is an example of a

The ____________ is made up of a star and the planets that revolve around it.

_________ are a small rocky body orbiting the sun. Large numbers of these, ranging in size from nearly 600 miles (1,000 km) across (Ceres) to dust particles, are especially between the orbits of Mars and Jupiter, though some have more eccentric orbits, and a few pass close to the earth or enter the atmosphere.

A ____________ is a chunk of frozen gases, rock, ice, and dust.

A ____________ a fixed luminous point in the night sky which is a large, remote incandescent body made of burning gases.

A ______ a small body of matter from outer space that enters the earth's atmosphere, becoming incandescent as a result of friction and appearing as a streak of light.

a meteor that survives its passage through the earth's atmosphere such that part of it strikes the ground.

____________ is a small body moving in the solar system that would become a meteor if it entered the earth's atmosphere.

____________ is the fifth planet from the Sun and the largest in the Solar System.

__________________ is one of the four terrestrial planets in the Solar System, meaning that it is a rocky body like Earth. It is similar to Earth in size and mass, and is often described as Earth's "sister" or "twin".

__________ is the smallest and innermost planet in the Solar System. Its orbit around the Sun takes 87.97 days, the shortest of all the planets in the Solar System.

_____________ is the curved path of a celestial object or spacecraft around a star, planet, or moon, especially a periodic elliptical revolution.

____________ is the sixth planet from the Sun and the second-largest in the Solar System, after Jupiter. It is a gas giant with an average radius about nine times that of Earth.

______________ is the seventh planet from the Sun. It has the third-largest planetary radius and fourth-largest planetary mass in the Solar System.

What are the Rocky Planets?

What are the gas giants?

I am a state of matter: my molecules are very close together and hardly move. I am ____________.

I am a state of matter: my molecules are jumping all over the place. I must be a _________.

I am a state of matter: my molecules move past each other easily, but they are pretty close together.

If the molecules in a substance are arranged in a tight, patterned kind of way, the matter must be in which state?

Matter is anything that has mass and occupies space.

Only living things are matter.

what is matter made up of?

Air occupies space.

When solids reach their melting points they become what?

The particles of a gas are packed tightly together.

Solid particles are able to...

liquid particles are able to

Gas particles move in random direction and at...

Which state of matter is able to be compressed?

Which state of matter is able change to the shape of the container but not be compressed?

What is the name given to a substance changing state from a liquid to a gas?

The attraction between particles gives solids a definite

The temperature at which a solid begins to liquefy is its ______ point.

The amount of energy required for a liquid at its boiling point to become a gas is _____________.

_______________ is an increase in the size of a substance when the temperature is increased.

_____ is a law that states that matter cannot be made or destroyed; however, matter can be changed into a new form.

Changes in one or more substances, caused by a reaction, that form new and different substances are ______.

Changes in which the form or shape of a substance changes but the substance still has the same chemical makeup is a ________.

The process through which new substances are formed during a chemical change is _____.

When water is being boiled, the water was changed into a different state during a physical change

How does cutting a whole pizza pie into eight slices affect its mass?

Students in a class made a list of activities that involve a chemical change. Which of these changes should be included on the list?

Which of the following examples represents a physical change?

Which is the best description of what happens during a chemical reaction?

Identify the following as an example of a Physical or Chemical Change: Burning Leaves

Identify the following as an example of a Physical or Chemical Change: Tearing paper

Identify the following as an example of a Physical or Chemical Change: Sharpening a pencil

Identify the following as an example of a Physical or Chemical Change: Toasting a bagel

Identify the following as an example of a Physical or Chemical Change: Pouring milk into a glass

Identify the following as an example of a Physical or Chemical Change: freezing water into ice cubes

Identify the following as an example of a Physical or Chemical Change: Baking a cake

Identify the following as an example of a Physical or Chemical Change: Crumpling aluminum foil into a ball

Identify the following as an example of a Physical or Chemical Change: A moldy strawberry

Adan used a steel shovel to plant some flowers in his garden. When he finished, he stuck the shovel into the damp soil. A few weeks later, Adan took the shovel out of the ground. The surface of the shovel had a reddish color. What happened to the shovel?

Ari makes six star-shaped cookies out of dough. He puts all of the cookies on a balance and measures the total weight as 36 g. He then pushes the cookies into one big ball and measures the weight. What is the weight of the entire ball?

Water can change from one state to another. What happens when water changes states?

A glass is filled half full of water and half full of ice. The weight of the ice and water is 250 milligrams. Which sentence describes the weight of the water when the ice melts in the glass?

a change in which the shape or form of the substance changes, but the substance still has the same chemical makeup. (a change in which no new matter is created)

the temperature at which matter changes from a solid to a liquid

the point in which matter changes from a liquid to a gas.

The change from a liquid to a solid.

the change of one or more substances, caused by a reaction that forms new and different substances.

A half-eaten apple is left on a counter and turns brown. Which of these is evidence a chemical change took place?

Which is a physical change?

Which is a chemical change?

Which phrase describes a physical change?

What would happen to the amount of matter in a piece of wood if it were cut into pieces, and then burned?

How quickly a changes occurs at different temperatures is called the _____________.

____________________________ are changes to matter that do not affect the type of matter.

___________________________ result in a change in the identity of matter.

A chemical _______________________ is the process in which new substances are formed during a chemical change.

Most matter expands when temperature goes ________________ and contracts when temperature goes _________________.

Water is special it _____________________ when it freezes, making ice less dense than liquid water.

Physical changes to matter can happen _______________________ or ___________________________ at different temperatures

Name the change: Slicing a loaf of bread.

Name the change: Rust on a car.

Name the change: Rotten banana

Name the change: Water evaporates.

Name the change: Cracking eggs.

Name the change: Eating and digesting apples.

Which one of the following would you use to separate sand from iron filings?

A Mixture is a combination of substances where the original substances keep their original properties

A solution is a special mixture formed when one substance is _____________evenly throughout the other.

What happens when water mixes with sugar?

A tablespoon of a substance is added to warm water and stirred. The result was that the substance could no longer

be seen.

We can conclude from the results that the substance –

What tool would best help you sort iron bolts from aluminum bolts?

Which physical property of salt would stay the same in a mixture of salt particles and water?