Set 1
Set 2
Set 3
Set 4
Set 5
100

In a chemical reaction, what do you call the substances you start with?

Reactants

100

What number on the pH scale represents a neutral substance?

7

100

What is the unit for measuring force?

Newton

100

Which particle in an atom has no electrical charge?

Neutron

100

Which of Newton’s laws explains the relationship between force, mass, and acceleration?

Second Law

200

Which body system is responsible for transporting blood throughout the body?

Circulatory system

200

Which part of the urinary system is responsible for filtering waste from the blood?

Kidneys

200

Which of the following is responsible for pumping blood throughout the body?

Heart

200

What is the term for the amount of space an object occupies?

Volume

200

If a 5 kg object is accelerated at 3 m/s², what is the force applied to it?

15 N

300

What is the primary function of the lymphatic system?

To help fight infections

300

What is the rate at which speed changes called?

Acceleration

300

What are the tiny air sacs in the lungs where gas exchange takes place?

Alveoli

300

Which of the following is NOT a function of the skeletal system?
A. Producing red blood cells
B. Storing minerals
C. Generating body heat
D. Protecting internal organs

C. Generating body heat

300

An object of mass 10 kg is moving at a speed of 4 m/s. What is its kinetic energy?

80 J

400

Which group of elements on the periodic table is the most reactive?
 

Alkali metals

400

Which type of blood vessel carries blood away from the heart?

Arteries

400

During a reflex action, which part of the nervous system directly controls the response before the brain is involved?

Spinal cord

400

Which system produces hormones that help regulate growth and metabolism?

Endocrine system

400

The process by which oxygen and nutrients are exchanged between the blood and tissues is called

Diffusion

500

Which part of the digestive system is mainly responsible for absorbing nutrients?

Small intestine

500

Why are noble gases considered stable and unreactive?

They have a full outer electron shell

500

Which subatomic particles are responsible for forming chemical bonds?

Electrons

500

Which system includes skin, hair, and nails and acts as a barrier to protect the body?

Integumentary system

500

Which group the periodic table contains elements that are all gases at room temperature?

Noble gases