IntSci I NGSS Pre-Test

Grace and Benjamin are exploring the mysteries of the atom in science class. They wonder: Which subatomic particles are found in the nucleus of an atom?

• Electrons

• Protons and neutrons

• Neutrons and electrons

• Protons and electrons

Evelyn and Daniel are curious about what really happens during a chemical reaction. Can you help them figure it out?

• Atoms are destroyed

• New atoms are created

• Atoms are rearranged

• Electrons are converted into protons

Tags

NGSS.MS-PS1-5

Mia, Aiden, and Mason are conducting a science experiment. Which of the following would show them that a chemical reaction has taken place?

• Dissolving sugar in water

• Water evaporating

• A color change and gas production

• Melting ice

Tags

NGSS.MS-PS1-2

Imagine Anika gives a gentle push to a skateboard, and then steps back. According to Newton’s First Law, what will happen to the skateboard if no external force acts on it?

• It will speed up

• It will slow down

• It will stop

• It will keep moving at constant speed

During a friendly baseball game, Luna swings her bat and hits a fast pitch from Priya. Which situation below best demonstrates Newton’s Third Law?

• A ball rolling downhill speeds up

• A bat hitting a baseball

• A satellite orbiting Earth

• A car accelerating forward

Tags

NGSS.MS-PS2-1

Harper and Noah are tossing apples in the air during recess. What force is responsible for making the apples fall back toward Earth?

• Friction

• Magnetism

• Gravity

• Electricity

Tags

NGSS.5-PS2-1

Benjamin and Abigail are curious about what form of energy is stored in chemical bonds. Can you help them figure it out?

• Kinetic energy

• Nuclear energy

• Chemical energy

• Thermal energy

Imagine Liam and Mia are watching a pendulum swing back and forth in science class. When the pendulum reaches the lowest point of its swing, what transformation is happening?

• Potential to kinetic

• Kinetic to potential

• Mechanical to chemical

• Electrical to thermal

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Zoe and Luna are conducting an experiment in their science class with a closed system. What happens to the total energy inside their system?

• It increases

• It decreases

• It stays the same

• It disappears

Tags

NGSS.MS-PS3-4

Samuel accidentally leaves his metal spoon in a bowl of hot soup. After a while, the spoon gets hot! Which of these is an example of energy transfer through conduction, just like Samuel's spoon?

• A microwave heating food

• The sun warming Earth

• A spoon heating up in hot soup

• A fan blowing air