Science first term G7

Distance between molecules are very small in …………….

• Water

• copper

• hydrogen

• oil

The diatomic liquid element is ………………

• Hydrogen chloride

• Water

• Mercury

• Bromine

……………. reproduce by forming spores.

• Cycas

• Vougheir

• Pine

• bean

A substance is solid and can’t be soften by heating ………….

• Copper

• Wood

• Aluminum

• iron

Chemical energy can be stored in ……….

• Pendulum

• Car battery

• Stretched spring

• Solar cell

The symbol of mercury is ………..

• Mg

• Hg

• Mc

• Ag

An alloy used in making heating coils is ……………

• Copper gold

• Stainless steel

• Aluminum

• Nickel chrome

All the following solutions conduct electricity except ………..

• Salt

• Alkaline

• Acidic

• Sugary

The nucleus has ………….. charge.

• neutral

• Positive

• Negative

• No charge

Vertebrates has ……….. support.

• Internal

• external

• No support

• Both internal and external