Grade 6 NAFS Science Quiz

What happens to a metal spoon when placed in hot soup?

• It shrinks

• It loses its mass

• It expands slightly due to heat

• It melts completely

What type of energy is stored in food?

• Mechanical energy

• Chemical energy

• Electrical energy

• Light energy

Which of the following is an example of friction at work?

• A ball rolling faster on an icy surface

• A car stopping when brakes are applied

• A rocket moving through space

• A lightbulb producing light

If an object is not moving, what can you say about the forces acting on it?

• No forces are acting on it

• The forces are unbalanced

• The forces are balanced

• The object has no mass

What is the function of the lungs in the human body?

• To digest food

• To remove waste from the body

• To exchange oxygen and carbon dioxide

• To pump blood

What is the role of the Sun in a food chain?

• It provides energy for plants

• It eats producers

• It creates oxygen

• It breaks down dead organisms

Which characteristic is inherited and NOT learned?

• Riding a bicycle

• Speaking a language

• The color of a person's eyes

• Writing your name

What type of organism breaks down dead plants and animals in an ecosystem?

• Producers

• Consumers

• Decomposers

• Herbivores

What causes the different phases of the Moon?

• The Moon changing shape

• The Earth’s shadow covering parts of the Moon

• The Moon reflecting sunlight from different angles

• The Moon moving closer to and farther from the Sun

What causes the seasons on Earth?

• The Earth’s changing distance from the Sun

• The Earth’s tilted axis and revolution around the Sun

• The Moon’s gravitational pull on Earth

• The Sun moving closer and farther from the Earth