Someone can help me whit this? I have the whole document too.

Answer:

1a. Metalloids have properties that are between metals and non-metals, they are alo known as semi-metals.

b.) The yellow border consisting of silicon, boron, Ge As, etc., are metalloid elements

2a.) Non-metals are on the right side of the periodic table.

B.) Non-metals have poor conductivity, are not malleable or ductile, are not sonorous. They are basically the opposite of metals.

Why does an object with less mass move faster after a collision with an object with more mass?

A scientist measures the total kinetic energy of the particles of matter in an object.Which term describes what the scientist is measuring

What is a phyiscal and chemical change

Ricardo and Maria conducted an experiment to test if the mass of a ball affects how fast it would roll down a ramp. They set up the experiment using a ramp and three balls of different masses. They tested each ball once and recorded their results. They concluded that the more mass a ball has, the faster it will roll down the ramp. Why is this experiment not reliable?


Their experiment was not controlled.


Their experiment did not test enough variables.


Their experiment was not performed multiple times.


Their experiment was not performed by multiple people.

What is common among elements in the same group?

Why does the Earth experience two high and two low tides each day?

The moon orbits the Earth twice as fast as the sun.

The moon orbits the Earth completely once per day.

The moon and the sun create their own high and low tides.

The moon passes over the same location above the Earth's surface twice per day.

What happens to the atoms that make up hydrogen fuel as it burns?

Electrical resistance is a measure of resistance to the flow of _?____
pleasee help

1. Using D10W and a vial of NaCl 4 mEq/mL, how many mL of NaCl are needed to prepare 250 mL of a
D10/NS solution?
a. 4.8mL
b. 9.6ml
c. 19.6mL
d. 154mL

True or false? Tornadoes can form when the air in a strong thunderstorm or a supercell begins to rotate.

Where is the DNA stored in a cell?

please answer this question quickly

Which two of the following organisms are omnivores in this food web?
A) rotifer
B) black
C) golden algae
D) copepod

Please do asap! ITS LATE

If two objects have different temperatures, heat will flow from the warmer object to the cooler one until _________________________.
A. one reaches a temperature of zero
B. one runs out of energy
C. they reach the same or equal temperature
D. one is absorbed into the other

If colder or drier air presses forward and warmer or more humid air draws back, the boundary is called a cold front
true or false?
(6th grade science class)

Where does most fresh water exist?

Regarding the formula AI2O3 which of the following is accurate

Write the roman numeral atomic name from the chemical formula.​

Which statement explains why scientists classify organisms into groups based on shared characteristics?

Group of answer choices

Classification helps scientists understand the relationships between different species.

Classification helps scientists understand how the parts of a cell work together.

Classification helps scientists understand the chemical reactions that are necessary for organisms to live.

Classification makes it easier for scientists to study certain groups of organisms.

How does an atom change if all of its electrons are removed?
p.s. I'll mark the first answer the brainliest if it is correct! ;)

a. The atom’s volume increases.

b. The atom’s mass increases.

c. The atom becomes positively charged.

d. The atom becomes negatively charged.

Please help me por favor :'(

I need help quickly, this assignment is due in a few hours. I have a few 8th grade science questions I need help with. These is not need to explain your answer, just tell me if the answer is a,b, or c. Also, please answer all of the questions listed not just some of them. I will be giving 20 points if you answer, and brainly to the first person to answer. The questions look really complicated but it is mainly just a long description. The questions themselves seem simple.

QUESTION ONE : Miranda was learning to bake bread at home. Her first few batches of dough did not rise, or expand, as much as they should have. Miranda's mother noted that the kitchen was cold and suggested that the dough might not be warm enough to rise. Miranda decided to test her mother's suggestion. She made a large batch of dough and divided it into six equal-sized balls. Then, she put each ball into a bowl. She left three bowls on the counter in the kitchen, where the temperature was 63oF. She left the other three bowls on her desk in her upstairs bedroom, where the temperature was 80F. After one hour, Miranda measured the size of each dough ball.

Which of the following was the dependent variable in the experiment?
a. the temperature where the dough was left to rise
b. the ingredients used to make the dough
c. the size of each dough ball

QUESTION TWO: Jada liked to make guacamole, but she could often find only unripe avocados at the grocery store. In biology class, Jada learned that ripe fruits produce a gas called ethylene that can cause other fruits to ripen. Jada wondered whether storing ripe bananas with unripe avocados would make the avocados ripen faster. Jada prepared four paper bags with five unripe avocados in each bag. She added on ripe banana to two of the bags. Then, Jada sealed all four bags. After three days, she opened each bag and counted the number of ripe avocados in each bag.

Which of the following was the independent variable in this experiment?
a. the type of paper bag used
b. the number of bags with a ripe banana
c. the number of ripe avocados

QUESTION THREE: Colette was using steel to make rusted sculptures. After building each sculpture, she caused the steel in the sculpture to rust by placing it into tub filled with salt water for eight hours. Colette wondered if steel would rust faster submerged in vinegar instead of salt water. To find out, Colette cut ten squares of steel sheet metal and split them into two equal groups. She put one group of squares into a tub filled with salt water and the other group of squares into a tub filled with vinegar. Once an hour for eight hours, Colette counted the number of rusted steel squares in each group.

Which of the following was a variable that was held constant (control variable) in this experiment?
a. the type of liquid used
b. the size of the squares of steel sheet metal
c. the number of rusted steel squares

QUESTION FOUR: David divided 40 unripe bananas evenly among eight paper bags and sealed the bags. He poked 20 small holes in four of the bags and left the other four without holes. He kept the bags at room temperature for three days. Then, David opened the bags and counted the number of brown spots on each banana. He compared the average number of brown spots on bananas from bags with holes to the average number of brown spots on bananas from bags without holes.

Identify the question that David's experiment can best answer.
a. Do bananas develop more brown spots when they are kept at room temperature compared to in a cold refrigerator?
b. Do bananas develop more brown spots if they are kept in bags with holes compared to bags without holes?
c. Do bananas develop more brown spots when they are kept in brown paper bags compared to in a plastic bag?

QUESTION FIVE: Ten groups of chemistry students combined three solutions that, when mixed, chemically reacted and turned blue. Before mixing, five groups of students heated the solutions to 25C, and five other groups heated the solutions to 50C. The students recorded how many seconds it took for the mixtures to turn blue. Then, the groups shared their results, and the class compared the time it took for the mixtures to turn blue at 25C and at 50C.

Identify the question that the students' experiment can best answer.
a. Does the type of color the mixture produces depend on the temperature of the solutions?
b. Does the mixture of solutions release more gas when they are mixed at 25C compared to 50C?
c. Does the mixture's color change faster when the solutions are mixed at 25C or 50C?

Suppose you throw a ball with a force of 2 N. The ball has a mass of 0.4 kg. At what rate will the ball accelerate?

When the speed of the bottle is 2 m/s, the KE is kg m2/s2. When the speed of the bottle is 3 m/s, the KE is kg m2/s2. When the speed of the bottle is 4 m/s, the KE is kg m2/s2. When the speed of the bottle is 5 m/s, the KE is kg m2/s2. When the speed of the bottle is 6 m/s, the KE is kg m2/s2.
instructions
In this part of the experiment, you will be changing the speed of the bottle by dropping it from different heights. You will use the same mass, 0.250 kg, for each trial, so record this mass in Table B for each velocity. Then, calculate the expected kinetic energy (KE) at each velocity. Use the formula KE = mv2,
where m is the mass and v is the speed. Record your calculations in Table B of your Student Guide.

Occurs when the particles in one part of an object _____________ more and ____________ with ______________ particles, making them ______________ ______________.
Different _______________ conduct ___________ at different ___________. ____________ are generally good conductors of heat compared to ______________ (paper, wood, plastics).
____________ are better conductors then liquids because _________________ in solids are ______________ _______________.

Room temperature water for 20 sec and 30 sec and 1 min iced water 20 sec 30 sec 1 min warm water 20 sec 30 sec 1 min

HELPPP
DId I match all of these correctly?

What purpose does air conditioning serve?

If an atom gives away or transfers an electron, it becomes a/an _____.

A anion
B cation
C neutral
D negative