Physical Science Review: First 9 Weeks

Which of the following is the first step in the scientific method?

• Forming a hypothesis

• Making an observation

• Conducting an experiment

• Drawing a conclusion

What is the smallest unit of an element that retains the properties of that element?

• Molecule

• Atom

• Proton

• Electron

Which piece of laboratory equipment is used to measure the volume of a liquid most accurately?

• Beaker

• Graduated cylinder

• Test tube

• Erlenmeyer flask

Which element is located in Group 1, Period 2 of the periodic table?

• Lithium

• Sodium

• Potassium

• Hydrogen

What type of bond is formed when two atoms share electrons?

• Ionic bond

• Covalent bond

• Metallic bond

• Hydrogen bond

Which of the following is a correct balanced equation for the reaction of hydrogen and oxygen to form water?

Tags

NGSS.MS-PS1-5

Which of the following is a single replacement reaction?

Tags

NGSS.MS-PS1-2

Which of the following is NOT a lab safety rule?

• Wear safety goggles at all times

• Eat and drink in the lab

• Tie back long hair

• Report spills immediately

Which subatomic particle has a negative charge?

• Proton

• Neutron

• Electron

• Nucleus

Tags

NGSS.MS-PS2-3

Which trend increases as you move from left to right across a period in the periodic table?

• Atomic radius

• Metallic character

• Electronegativity

• Reactivity of metals