STEM QUIZ

What is the first step in conducting a scientific investigation?

• Making a hypothesis

• Collecting data

• Identifying a problem

• Drawing a conclusion

Plants need _____to carry out photosynthesis.

• carbon dioxide, water and sunlight

• oxygen and water

• carbon dioxide and soil

• sunlight and fertilizer

A magnet only attracts objects made of:

• rubber

• plastic

• iron

• glass

How can sound be heard?

• Sound needs light

• Sound travels through air

• Sound needs heat

• Sound travels through fire

Which of the following animals is most similar to a fish in how it breathes?

• Frog

• Lizard

• Snake

• Octopus

What is the main function of the respiratory system?

• To digest food

• To circulate blood

• To absorb nutrients

• To supply oxygen to the body

Which property makes metal suitable for cooking pots?

• It is elastic

• It is a good heat conductor

• It is waterproof

• It floats on water

You are building a go-kart. What should you change to make it move faster?

• Use rough wheels

• Add more weight

• Reduce friction between wheels and surface

• Use thicker tyres

A school wants a bench for the garden. Which material is the best and why?

• Wood-its soft and rots easily

• Meal- it rusts in rain

• Plastic-waterproof and durable

• Cloth-soft and warm

A simple circuit is built, but the bulb doesn't light up. What could be the cause?

• Wire is made of metal

• Bulb is working

• Battery is inserted wrongly

• Circuit is connected properly