Science4 Matatag (Chemical Properties of Materials)

Front

Flammability

Back

The ease with which a material can catch fire and burn

Front

What is an example of a flammable material?

Back

Paper

Front

Which activity shows a bad effect of chemical change to humans?

Back

Spoiling of food

Front

Which of the following materials is biodegradable?

• Plastic drinking straw
• Nylon fishing line
• Banana peel
• Styrofoam packaging

Back

Banana peel

Front

Which situation helps our environment?

Back

Decaying vegetable peelings in a compost pit

Front

Sarah wants to dispose of her plastic water bottle. Plastic is harmful to the environment, so she wants to choose a more eco-friendly option. Which of the following materials should Sarah choose if she wants a biodegradable option? Options: Plastic water bottle, Glass bottle, Aluminum can, Biodegradable paper cup

Back

Biodegradable paper cup

Front

Which material is most likely to produce bubbles when mixed with vinegar?

Back

Plastic drinking straw

Front

What can Emily do to prevent metal nails from rusting when decorating her room?

Back

Paint the nails with a waterproof sealant

Front

What happens to marble when lemon juice is spilled on it over time?

Back

The marble will develop stains and discoloration.

Front

Material for sandwich wrapper that breaks down easily when discarded.

Back

Biodegradable wax paper