Question 1

The sun shines down on a wheat field on a warm, summer day. Which process will be most affected by the heat?

Accepted Answer

transpiration

Answer

precipitation

Answer

condensation

Answer

runoff

Question 2

Water on a plate dries faster than the same amount of water in a small cup. The plate and the small cup are made of the same type of material. Which statement best explains why this occurred?

Accepted Answer

A larger surface area of water touches the air on the plate than in the cup.

Answer

The small cup allows the water to stick to it more than the plate.

Answer

The plate allows the water to move more than the cup.

Answer

The small cup keeps the water colder than the plate.

Question 3

Which shows an example of convection?

Accepted Answer

Jose cooks an egg in a pot of boiling water.

Answer

Lucy wraps herself in an electric blanket to keep warm.

Answer

Ben holds the end of a metal road in fire to cook hot dogs.

Answer

Clara burns her hand by touching a light bulb.

Question 4

An  ice cube is placed in a glass of water. The total weight of the ice cube and water is 0.5 pounds. After the ice cube melts, what will most likely be the total weight of the water?

Accepted Answer

0.5 pounds

Answer

0.8 pounds

Answer

1.0 pound

Answer

0.4 pounds

Question 5

What happens when ice is added to warm soda?

Accepted Answer

The heat transfers from the soda to the ice by conduction, causing the ice to melt.

Answer

The heat transfers from the ice to the soda by radiation, causing the soda to cool.

Answer

The heat transfers from the ice to the soda by conduction, causing the soda to cool.

Answer

The heat transfers from the soda to the ice by radiation, causing the ice to melt.

Question 6

Solar radiation has a part in the water cycle by....

Accepted Answer

changing water into vapor

Answer

affecting ocean tides

Answer

determining the type of clouds formed

Answer

helping in absorption of groundwater

Question 7

The graphic shows a greenhouse in Raleigh, North Carolina during the winter. It is 85 degrees inside the greenhouse, but only 40 degrees outside. Which best explains why the temperature inside the greenhouse is higher than the temperature outside the greenhouse?

Accepted Answer

The sun’s rays radiate heat into the greenhouse, and then the warmed air is convected inside the greenhouse.

Answer

The cool air outsides passes into the greenhouse by radiation, and then the cool air is conducted inside the greenhouse.

Answer

The sun’s rays conduct heat into the greenhouse, and then the warmed air is radiated inside the greenhouse.

Answer

The warm air outside passes into the greenhouse by convection, and then the warm air is conducted inside the greenhouse.

Question 8

Which type of heat transfer is most responsible for creating global winds on Earth?

Accepted Answer

radiation from the sun

Answer

conduction from the ocean

Answer

convection from the sun

Answer

convection from the ocean

Question 9

James measured the temperature outside his house everyday for 2 months. He observed that on days the sky was mostly cloudy, the temperature was an average of 9 degrees cooler than days the sky was mostly sunny. Which best describes the reason for this pattern?

Accepted Answer

The clouds blocked radiation from the sun, causing cooler temperatures.

Answer

The clouds allowed more radiation from the sun to reach Earth’s surface.

Answer

The clouds blocked conduction from the sun, causing cooler temperatures.

Answer

The clouds allowed more conduction from the sun to reach Earth’s surface.

Question 10

Olivia made lemonade by mixing 150g of water, 40g of lemon juice, and 10g of sugar. Which will most likely result?

Accepted Answer

The mass of the lemonade will be 200g.

Answer

The mass of the lemonade will be less than 150g.

Answer

The mass of the lemonade will be 150g.

Answer

The mass of the lemonade will be more than 200g.

Question 11

One type of cold remedy is an effervescent tablet that breaks down in water. When the tablet is placed in the water, it forms bubbles. In this example, the formation of gas

Accepted Answer

is a sign of a chemical change.

Answer

occurs when adding water to acid.

Answer

occurs when water boils.

Answer

is a physical property.

Question 12

Which best describes what happens when water condenses on a glass?

Accepted Answer

A physical change occurs, because the water changes form.

Answer

A physical change occurs, because the water forms a new substance.

Answer

A physical change occurs, because the water gives off light.

Answer

A physical change occurs, because the water changes color.

Question 13

Which best demonstrates a chemical change?

Accepted Answer

limestone dissolving in acid rain.

Answer

wind blowing sand at a stone, causing the sides to smooth.

Answer

water freezing and expanding, forcing cement to break apart.

Answer

extreme heat causing a boulder to split apart.

Question 14

In which ecosystem would Royce most likely be able to survive on his own in the wilderness?

Accepted Answer

The deciduous forest because the temperatures are mild, there is a large variety of plants, and a few animals that are dangerous.

Answer

The ocean because it is wet and has few animals that are dangerous.

Answer

The desert because it is hot, dry, and has few animals that are dangerous.

Answer

The tundra because it is cold, has few plants, and few animals that are dangerous.

Question 15

Which best describes one of the jobs of the muscular system?

Accepted Answer

The muscular system works with the skeletal system to produce locomotion in animals.

Answer

The muscular system products your brain from damage.

Answer

The muscular system transports oxygen to your body by way of the heart.

Answer

The muscular system produces blood cells in bone marrow.

Question 16

What time are owls most likely to be active?

Accepted Answer

Owls are most likely to be active at midnight because they are nocturnal.

Answer

Owls are most likely to be active at sunset because they are just waking up.

Answer

Owls are most likely to be active at sunrise because they are getting ready to roost for the day.

Answer

Owls are most likely to be active at noon because they are diurnal.

Question 17

Which body system sends messages to the brain?

Accepted Answer

the nervous system.

Answer

a. the circulatory system.

Answer

the digestive system.

Answer

the respiratory system.

Question 18

When the weather becomes colder and food becomes scarcer, which behavior will some bears use to survive?

Accepted Answer

hibernate

Answer

change color

Answer

migrate

Answer

eat only meat

Question 19

Which is an example of heat transfer by radiation?

Accepted Answer

Chris basking in the sun’s rays to warm up.

Answer

Terrance boiling eggs on a stove.

Answer

Mitch burning his hand in a campfire.

Answer

Ricky roasting a turkey in the oven.

Question 20

Why are the parent and offspring alike?

Accepted Answer

they share genetic material

Answer

they live in the same environment

Answer

they have the same predators

Answer

they eat the same food

Question 21

How does the Sun impact Earth’s water cycle?

Accepted Answer

It heats water on the surface causing liquid water to change to gas.

Answer

It heats water deep below the surface causing solid water to change to a liquid.

Answer

It heats water deep below the surface causing liquid water to change to gas.

Answer

It heats water on the surface causing gaseous water to change to liquid.

Question 22

A student observes and records cloud cover throughout the day. Which event could the student most likely predict if they observe increasing cumulonimbus clouds?

Accepted Answer

The area will have precipitation.

Answer

The area will have warmer temperatures.

Answer

The area will have cooler temperatures.

Answer

The area will have sunny skies.

Question 23

Cody takes a metal rod and attaches wax and thumbtacks to it. He places the rod into the flame as shown in the image.                                                                                                                               
 The thumbtacks begin to drop off the metal rod. Which type of heat transfer is demonstrated?

Accepted Answer

conduction

Answer

convection

Answer

radiation

Answer

emission

Question 24

In a reaction, 20 g of chemical A reacts with a few grams of chemical B to give 13 g of chemical C and 14 g of chemical D in a closed container. How much of chemical B was used in the reaction?

Accepted Answer

7 g

Answer

14 g

Answer

13 g

Answer

9 g

Question 25

Why is evaporation a significant process in the water cycle?

Accepted Answer

It is the process through which water gains thermal energy to form water vapor and enter the atmosphere.

Answer

It is the process that returns liquid or frozen water by the force of gravity from the atmosphere to Earth

Answer

It is the process through which plants return water vapor to the atmosphere.

Answer

It is the process in which water vapor loses thermal energy to form water droplets creating clouds.

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