G5 Science Assessment

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Chlorine is a green gas, while sodium is a soft, silver solid. Together they create a new substance of salt which is a white, brittle solid with other new properties. Why would this be considered a chemical change? *

2 points

Both substances increased in mass.

A new substance is formed.

No new substances are formed.

Chlorine and sodium can be easily separated by a physical change.

Rod Stewart dropped apples from a tree and recorded the direction they moved. Every time he dropped an apple, it went straight down. What was he testing? *

2 points

Shapes of Apples

Chemical Changes

Gravity's Push

Gravity's Pull

A sheep ate the plants above and then walked around. What is the original source of energy for the sheep? *

2 points

Sun

Plants

The Air

Water

Which of the following allows a flower to create sugars? *

2 points

Animals, Water, and Wind

Moonlight, Stones, and Air

Sunlight, Water, and Air

Sunlight, Stones, and Air

Why is the Sun brighter than other stars in the sky? *

2 points

The Sun has more mass than all the other stars in the sky.

The Sun has more gravity than all the other stars in the sky.

The Sun is much hotter than every other star in the sky.

The Sun is much closer to Earth than all the other stars.

Where is the largest amount of freshwater located? *

2 points

Estuaires

Polar Ice Caps

Oceans on Earth

All the Seas on Earth

Which of the following allows a farm to reduce the amount of toxins which is washed away from a farm? *

2 points

Increase the use of fertilizers on the crops.

Depositing animal waste in local streams.

Planting grass, bushes, and trees at the edges of crop fields.

Increase pesticides on areas where the animals roam.

Which of the following are non-organic matter needed for plants to produce food? *

2 points

Nutrients, Water, & Sunlight

Decomposed Plants & Water

Bacteria, Light, & Water

Light, Water, and Moss

For a week, Tia placed three exact types of rose plants in the exact same type of soil, in the exact type of flowerpot, with the same amount of water. She placed one next to a window, one in the middle of the room, and one in a closet. What term describes the locations of the plants for her experiment? *

2 points

Independent Variable

Hypothesis

Dependent Variable

Control

Which of the following would best dissolve in water? *

2 points

Sand

Vegetable Oil

Salt

Pebbles

Sea otters eat sea urchins, while sea urchins eat kelp forests. Fishing over the kelp forests scares away many of the sea otters, which cause the sea urchins to eat a large portion of the kelp forest. Which of the following would help regrow the kelp forest? *

2 points

Introduce predators of the sea otters to the kelp forest.

Stop fishing over the kelp forest and add more sea otters.

Stop fishing over the kelp forest and add more sea urchins.

Increase fishing over the kelp forest.

Which of the following would reduce the erosion of an ocean beach in a tropical area? *

2 points

Increase the wave activity on the beach.

Removing coral reefs by the beach.

Take away all plants on or by the beach.

Plant mangrove trees and other plants on and near the beach.

Which is the best example of erosion? *

2 points

Lava cooling over land and forming igneous rock.

Over millions of years a river deposits sediments in a large body of water and forms a delta fan.

Over millions of years a stream forms a canyon.

Over millions of years depositing stones and forming sedimentary rock.

Which best displays the cycle of matter in an ecosystem? *

2 points

Seeds are eaten by a mouse, the mouse is eaten by a snake, the snake is eaten by an eagle, and after the eagle dies, it is decomposed by fungus.

Seeds are eaten by a mouse, the mouse is eaten by a snake, the eagle eats rabbits, and after the eagle dies, it is frozen and does not decompose.

Seeds are eaten by a mouse, the mouse is eaten by a snake, an eagle avoids the snake, and after the eagle dies, it is found by scientists and is preserved in a museum.

Seeds are eaten by mice, rabbits are eaten by snakes, and fish are eaten by eagles.

Which best describes the force of gravity on a soccer ball on top of the roof of a house? *

2 points

Gravity pushes up on the soccer ball.

Gravity pushes on the soccer ball in a west direction.

Gravity pulls on the gravity east towards the ocean.

Gravity pulls the soccer ball down towards the ground.

Which of the following best provides nutrients to plants? *

2 points

Animals eating plants.

Fungi and bacteria breaking down organic materials.

Insects pollinating flowers.

Animals eating the fruits of plants.

Which of the following would have a common characteristic for most examples of being shiny, a solid, can be drawn into wires, and can be hammered into thin sheets? *

2 points

Rocks

Metal

Glass

Wood

Which is the term for when the moon is in the Earth’s shadow? *

2 points

Lunar Eclipse

Solar Eclipse

Full Moon

Last Quarter

Jeff Spicoli wanted to know what would cause mold to grow fastest on bread. He placed one piece drenched in water on a plate in a closet, one piece drenched with water on a plate in his refrigerator, and one piece drenched with water on a plate on a table in direct sunlight. After a week, why would the bread drenched with water on a table in direct sunlight have the least amount of mold? *

2 points

Mold needs direct sunlight to grow fast.

The mold converted sunlight, water, and gases into sugars.

The direct sunlight dried the bread and slowed the growth of the mold.

The mold did not obtain the anti-fungal materials needed to grow fast.

Plants absorb sunlight to make sugar. A rabbit eats these plants to obtain energy. A wolf eats this rabbit to obtain energy. What is the original source of energy for this situation? *

2 points

Sun

Plants

Rabbit

Wolf

How do plants absorb most of the carbon it needs? *

3 points

From eating other plants.

From absorbing sunlight in leaves.

From absorbing carbon dioxide directly from soil.

From absorbing carbon dioxide from air.

Gravitational force directed on all objects on Earth is directed in which direction? *

3 points

Left

Right

Down

Animals obtain nitrogen through eating plants. Fungus returns the nitrogen to the soil by decomposing the animals. Plants absorb the nitrogen with help from lightning and bacteria. Which cycle best describes this process? *

3 points

Nutrient Cycle

Water Cycle

Carbon Cycle

Life Cycle

Where would you expect to find the most saltwater? *

3 points

Streams

Lakes

Seas

Ponds

Which of the following would best protect a home from an earthquake? *

3 points

Wood homes with very stiff foundations.

Houses built on sand and constructed from concrete.

Stiff foundations of homes made of concrete.

Flexible foundations of homes made of wood.

Vinnie Barbarino was testing how a slope of a hill changes the speed of a tire rolling down it. Which would best display his results? *

3 points

Increasing the slope of the hill will decrease the speed.

Increasing the slope of the hill will increase the speed.

Decreasing the slope of the hill will increase the speed.

The change of slope of the hill will not change the speed.

Wood was burned, and after the fire was out, only a small pile of ashes remained. Which of the following is true? *

3 points

The matter of most of the wood is now gone forever.

The matter of the wood was converted into ashes and gases.

The fire destroyed most of the matter, so now there is less matter.

The wood was physically changed to small wooden chips.

Which is true about the gravitational force on Earth? *

3 points

It pulls objects towards its center.

It pushes objects away from its center.

It causes objects to always move in a western direction.

It causes objects to always move in an eastern direction.

In which environment will a plant grow the best? *

3 points

Plenty of shade and plenty of nutrients.

Plenty of nutrients, low sunlight, and very little water.

Plenty of water, sunlight, and nutrients.

Plenty of shade, water, and nutrients.

A student used a scale to compare two objects. What was this student comparing? *

3 points

Volume

Area

Mass

Temperature

On Earth all the stars in the sky give Earth less light energy than the Sun. Why is this true? *

3 points

The Sun is much bigger than the other stars.

The Sun has more mass than the other stars.

The Sun is closer to Earth than the other stars.

The Sun has more volume than the other stars.

Which are the two best examples of saltwater bodies of water? *

3 points

Ponds and streams

Streams and rivers

Oceans and lakes

Oceans and seas

Which is the main source of energy of all life on Earth? *

3 points

Light

Sound

Electrical

Magnetic

Which area would allow the most growth for plants? *

3 points

Dry Desert

Temperate Forest

Arctic Tundra

Polar Desert

Which of the following would best be used with an experiment with sound? *

3 points

Magnet

Weight Scale

Tuning Fork

Microscope

Which of the following is a non-organic material used by all life on Earth? *

3 points

Plants

Fungus

Water

Bacteria

When warm air at a beach rises, cold air comes in replacing the warm air, causing _____ *

3 points

Transpiration

Condensation

Snow

Wind

Which of the following would best protect natural resources in a town? *

3 points

Allow factories to dump their wastes in the streams.

Draining water from swamps and building homes.

Cutting down trees and building farms.

Protecting specific areas of woods in town, and preventing the construction of buildings in these areas.

David Lee Roth is wearing safety goggles while experimenting on various acids. Which other item would best help protect him while completing his experiments? *

3 points

Tongs

Safety Gloves

Magnet

Tuning Fork

Professor Boswell calculated the amount of mass in a piece of wood. He then burned the wood in a container until it was only ashes and gases. The masses of the ashes and gases combined ___ *

3 points

are less than the original mass of the wood.

are equal to the original mass of the wood.

are greater than the original mass of the wood.

have greater weight than the original mass of the wood.

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