Christmas Quiz Year 4

The state of matter that has no definite shape and no definite volume is a ________

• liquid

• gas

• solid

You notice the water on the road is becoming a SOLID! What is happening?

• Melting

• Freezing

• Sublimation

• Respiration

How many sides do all snowflakes have?

• 6

• 12

• 8

• They have different number of sides

Anything that has mass and volume is _______

• density

• substance

• matter

• solid

Which festive gift has the chemical symbol Au?

• Myrrh

• Silver

• Frankincense

• Gold

True or False? All snowflakes are unique.

• Yes

• No

Which of the following is a solid?

• Hot candle wax

• Santa's beard

• Chimney smoke

How does a metal cookie sheet help with baking holiday cookies?

• metal is a good conductor of heat

• metal prevents burning

• metal helps block radiation

• metal is a good insulator of heat

When Santa is travelling very quickly which force stops him from flying off into space?

• Friction

• Weight

• Gravity

• Mass

Snowflakes are formed when cloud temperatures reach freezing point allowing ice crystals to form around dust particles

• yes

• no

• not always