Which of the following best describes an exothermic reaction?

A reaction that releases heat to the surroundings

A reaction that absorbs heat from the surroundings

A reaction that neither absorbs nor releases heat

A reaction that only occurs at high temperatures

What is the primary difference between mass and weight?

Mass is constant, weight varies with gravity

Mass is measured in kilograms, weight in newtons

Mass varies with location, weight is constant

Mass is a force, weight is a measure of matter

Which of the following best describes an atom?

The smallest unit of an element that retains its properties

Which of the following is TRUE about acids?

$$\fracundefinedundefined$$ They have a sour taste

$$\fracundefinedundefined$$ They have a pH greater than 7

$$\fracundefinedundefined$$ They turn litmus paper blue

$$\fracundefinedundefined$$ They feel slippery

What is the primary function of a circuit breaker in an electrical system?

To prevent overloading $$\fracundefinedundefined$$

$$\fracundefinedundefined$$ To increase voltage

$$\fracundefinedundefined$$ To store electricity

Which of these is NOT a method of heat transfer?

$$\fracundefinedundefined$$ Evaporation

$$\fracundefinedundefined$$ Conduction

$$\fracundefinedundefined$$ Convection

$$\fracundefinedundefined$$ Radiation

What is the SI unit for pressure?

$$\fracundefinedundefined$$ Pascal

$$\fracundefinedundefined$$ Newton

Joule $$\fracundefinedundefined$$

$$\fracundefinedundefined$$ Watt

Which of the following best describes a compound?

$$\fracundefinedundefined$$ A substance made of two or more elements chemically combined

$$\fracundefinedundefined$$ A mixture of two or more elements

$$\fracundefinedundefined$$ A pure substance made of only one type of atom

$$\fracundefinedundefined$$ A heterogeneous mixture of substances

Which of the following is an example of a physical change?

$$\fracundefinedundefined$$ Freezing of water

$$\fracundefinedundefined$$ Rusting of iron

$$\fracundefinedundefined$$ Burning of paper

$$\fracundefinedundefined$$ Digestion of food

Students are conducting an investigation to determine the amount of force needed to move a 10 kg mass. Their teacher instructed them to conduct the investigation 3 times and record their data with each trial. Why would the teacher want the students to do the investigation more than one time?

To increase the reliability of their results

To help them understand their results

So they could practice their procedure

Class time was too long to only do the investigation once

Ezra, Amelia, and Tripp are at a science fair. Ezra sets up an experiment to see how the weight of a soccer ball affects the distance it rolls off a slide. Amelia and Tripp are curious to know which variable is dependent in this experiment. Can you help them identify it?

Distance traveled by the soccer ball

When you try to slide a heavy box across the floor, what force are you overcoming?

Force that opposes the sliding motion between the box and the floor.

Force that attracts the box and the floor towards each other

Force that causes the box to move in a circular path

Force that acts on the box while it is not moving

Jennifer left her bike outside, buried in snow. In the spring, when the snow melted, she found her bike covered in rust. Which best describes the change to the bike?

It was a chemical change, because rust is a new substance on the metal.

It was a chemical change, because the bike was a different color.

It was a chemical change, because the rubber tires were deflated.

It was a chemical change, because rust can be removed from the metal.

Which statement best describes the relationship between atoms & molecules.

Molecules are made of atoms that are chemically bonded together.

Atoms are made of molecules that are chemically bonded together.

Molecules are made of a mixture of atoms and compounds.

Atoms are made of protons, neutrons & electrons.

What is specific heat?

The amount of energy required to raise 1 kg of a substance by 1 k or 1 c

Process by which heat is transferred by movement of a heated fluid such as air or water

The stored energy within an object that exists as a result of the object's position, state, or arrangement

Transfer of energy (heat) arising from temperature differences between adjacent parts of a body

Physical Science Baseline 24-25

Authored by Kimberly Beck

Science

9th Grade

NGSS covered

Used 5+ times

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60 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the SI unit for force?

Watt

Newton

Joule

Pascal

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of a chemical change?

Ice melting

Sugar dissolving in water

Rusting of iron

Cutting paper into pieces

What is the process by which a liquid changes into a gas at the surface?

Condensation

Evaporation

Sublimation

Freezing

Which of the following is NOT a type of chemical bond?

Ionic Bond

Covalent Bond

Metallic Bond

Gravitational Bond

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the term for the amount of matter in an object?

Volume

Density

Mass

Weight

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of a vector quantity?

Temperature

Time

Velocity

Mass

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the pH of a neutral solution?

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Physical Science Baseline 24-25

What is the SI unit for force?

Which of the following is an example of a chemical change?

What is the process by which a liquid changes into a gas at the surface?

Which of the following is NOT a type of chemical bond?

What is the term for the amount of matter in an object?

Which of the following is an example of a vector quantity?

What is the pH of a neutral solution?

Which of the following is NOT a state of matter?

What is the process of changing a solid directly to a gas called?

Which of the following is a unit of electrical resistance?

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