Science DCA #1 Review

Which among objects will float on water?

• a 5-peso coin

• steel ball

• plastic ball

• big stone

This is a type of mixture where one substance dissolves into another

• Solution

• Miscibility

• Compound

• Solubility

This is an example of a

• Solution

• Mixture

A combination of two or more substances that can be easily separated.

• dissolve
• mixture
• solution
• physical property

Which list includes only objects that are conductors?

• Paper clip, rubber, glass, copper penny
• Rubber, glass, wood, plastic
• Rubber, glass, copper penny, wood
• Paper clip, iron nail, copper penny, aluminum foil

Why do we measure mass?

• To see if the object is crazy.

• To find out how heavy or light something is.

• To count how much we have.

• To find out if an object is big or small.

Which tool helps us to measure mass?

• scale
• triple beam
• ruler
• magnifying glass

What types of energy can you find in this picture?

• Light and mechanical energy

• Thermal, light and mechanical energy

• Thermal and light energy

• Electrical, mechanical, thermal and light

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

This form of energy means heat.

• Mechanic
• Light
• Thermal
• Sound

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

What kinds of energy are needed in this investigation to change the state of matter of the candle?

• Thermal and mechanical

• Mechanical, light, and electrical

• Electrical and thermal

• Light, mechanical, and thermal

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4