Daniel, Ava, and Harper are in a science class. Their teacher explains that an atom is

David, Avery, and Mason are in a science class. Their teacher explains that a compound is

Harper, Lily, and Michael were helping Aiden, William, and Hannah with their science project. They were experimenting with different activities: Harper was cutting a piece of paper, Lily was boiling water, and Michael was burning wood. Which of these activities is not a physical change?

Anika, Emma, and Aiden were discussing their science project on chemical changes. They were considering rusting of an old bicycle, melting of ice cream, and burning of a paper as examples. Which of these examples does not represent a chemical change?

During a science experiment, Maya observed a leaf changing color in the fall. Abigail suggested that this is a chemical change. Is Abigail correct?

Benjamin, Anika, and Evelyn were at a party. Benjamin poured some juice into a glass for Anika. How would you describe the juice in the glass that Benjamin poured for Anika?

William, Michael, and Abigail are in a science class discussing about units of measurement. They are given a list of terms: mass, kilometer, and gram. They all agree that these are units of measurement except one. Which one is it?

William is working on a science project and he needs to measure the thickness of a paper. He sees the symbol "mm" on his ruler. What does "mm" represent?

William, Liam, and Kai are participating in a race. They are asked to measure the race track using different units of length. Arrange the units of length they used from largest to smallest.

Aiden, Emma, and Abigail are in a science class. They are asked to measure the mass of a pencil. Which of these metric units should they use?

Jackson, Arjun, and Abigail are participating in a science experiment. They are asked to determine the quantity of matter per unit volume in different substances. This property is known as what?

Aria, Elijah, and Lily are in a science class. They are given a task to find the density of a material. They know the mass 'm' of the material and its volume 'V'. Which formula should they use to find the density 'D' of the material?

Olivia is studying physics and she came across a measurement of 0.000305 kg in her textbook. She is curious to know the number of significant figures in this measurement. Can you help her?

Isla is learning about significant figures in her science class. She came across the following weights in her textbook. Which of these weights has been expressed to 3 significant figures?

Mason, Olivia, and Ethan are at a grocery store. Mason picked up a can of beans and asked, 'Which of the following describes this can of beans that I'm holding?'

During a science fair, Daniel, David, and Elijah are presenting a project on pure substances. They are asked to explain the two sub-categories of pure substances in their presentation. What should they say?

Rohan, Mason, and Elijah are in a chemistry lab. They are given a task to identify a sample. Rohan asks, 'Which of the following is made up of only one type of atom?'

Maya, Elijah, and Benjamin are making a lemonade for their school project. They want to ensure that the lemonade is a UNIFORM MIXTURE. Which of the following should they aim for?

Ethan, Aria, and Ava are in a science class learning about the periodic table. Their teacher explains that the elements on the periodic table are arranged by their ..... What did the teacher say?

Isla, Arjun, and Noah are in a science class learning about the periodic table. They learned that the family of elements found in the first group in the periodic table, like in a real-world scenario where a family only has one child, also only have 1 valence electron. What is the name of this family?

Daniel, Abigail, and James are participating in a science quiz. They are asked to identify the 3 different groups of the periodic table. What should be their answer?

During a science fair, Mia, Lily, and Emma were discussing the periodic table. They were particularly interested in the very last family of elements on the right side of the periodic table. Emma referred to this family as 8A. What is this family also known as?

Anika, William, and David are studying chemistry. They are discussing whether the number of protons and electrons are equal to each other in any given element. What do you think?

Scarlett is studying chemistry and she comes across an element. She wants to find out the number of neutrons in that element. Hannah suggests that it is equal to.....

Mia, Sophia, and Ethan are conducting a science experiment. They have three materials: a metal spoon, a wooden stick, and a gas balloon. They want to know which of these materials would be the best conductor of heat and electricity. What should they choose?

Scarlett, Maya, and Arjun are in a science class. Their teacher asks them to identify the group of elements where the majority are a gas at room temperature. What is the correct answer?

During a school project, Harper, Emma, and Rohan were asked to identify the most abundant metal in the earth's crust. They came up with three options. Which one is correct?

Avery, James, and Michael are working on a science project about the Earth's atmosphere. They are debating about which gas is the most abundant in our atmosphere. Avery thinks it's hydrogen, James thinks it's nitrogen, and Michael thinks it's helium. Who is correct?

Maya, Harper, and William are in a science class. Their teacher explains that there is an element known as the "basis of life". Which element is the teacher referring to?

Henry, Luna, and Abigail are in a chemistry class. Their teacher asks them, 'Which of the following elements has 19 protons?'

Kai, Aria, and Sophia are studying chemistry. They are discussing about Carbon(C). They found out that Carbon(C) has ______ Protons and Electrons. Can you help them with the correct answer?

In a science class, Mia, Noah, and Elijah are studying the atomic structure of Sodium(Na). They found that Sodium(Na) has ______ Neutrons.

Samuel, Ethan, and Zoe are in a science class. Their teacher asks them, 'How many protons, neutrons, and electrons does an Oxygen(O) atom have?'

David, Aiden, and Avery are working on a science project about the periodic table of elements. They are specifically looking at the 2nd period. Which of the following elements did they find in the 2nd period?

Noah, Aria, and Isla are working on a science project about the periodic table of elements. They are specifically looking at Silver(Ag). In which period of the periodic table do they find Silver(Ag)?

Benjamin, Charlotte, and Liam are in a chemistry class. Their teacher asks them to determine how many valance electrons the element Sulfur (S) has in its outermost shell. What is their answer?

In a science class, Mia, Aria, and Rohan are studying the periodic table. They learned that the noble gases have ______ valance electrons. Can you help them fill in the blank?

Liam, Arjun, and Zoe are studying chemistry. They learned that the alkaline earth metals they are studying have _____ valance electrons. Can you help them figure it out?

Liam and Arjun are studying atomic structure for their science project. They learned that the nucleus of an atom contains two types of particles. Can you help them identify these particles? (choose 2)

Harper, Emma, and Olivia are studying atomic structure. They learned that protons and neutrons are found in the nucleus of an atom. Which of the following particles are NOT found in the nucleus according to their study?

Evelyn, Benjamin, and Zoe are conducting an experiment in their physics class. They are asked to identify the relative charge of a proton. What would be their answer?

Michael and Grace are studying basic physics. They learned that electrons have a certain charge. What is the relative charge of an electron that David told them?

Isla, Noah, and James are studying atomic particles. They are discussing the relative charge of a neutron. What do they conclude?

Rohan, Mia, and Grace are studying chemistry and they come across the term 'isotope'. Mia explains it as 'an element with the same number of protons but different number of electrons', while Grace explains it as 'an element with the same number of protons but different number of neutrons'. Rohan is confused and thinks both are incorrect. Who is correct?

Avery and Aiden were studying chemistry and they came across a term 'ion'. Jackson explained to them that an ion has lost or gained what?

Abigail, Luna, and Anika are studying atomic structure in their chemistry class. They learned that every atom has protons in its nucleus. Can you tell them the relative mass of a proton?

Mia, Nora, and Aria are studying atomic structure in their science class. They learned that electrons are part of an atom. Can you help them understand what is the relative mass of an electron?

Emma, Ethan, and Aiden are studying chemistry. They learned that atoms with fewer electrons than protons are called what?

James, Anika, and Aiden are in a science class. Their teacher explains that atoms with MORE electrons than protons are called what?

Atoms want to have ____ valence electrons to be happy.