REVIEW SCIENCE FINAL TEST SEMESTER 1 | Baamboozle - Baamboozle

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When a candle burned, wax reacts with oxygen to form carbon dioxide and water vapor. The .... are wax and oxygen

Reactant

A melting ice cube is an example of (physical/chemical) change that is (reversible/ irreversible)

physical, reversible

A ray of light changes in direction when it bounces off a surface. Is the statement true or false?

true

Lift force shown by....

R

Weight is a measure of the amount of matter. Is the statement true or false?

false

Three evidence that chemical reactions have taken place are....

A gas being produced, a change in colour, a change in temperature

The picture shows the process of....

boiling

The picture shows example of...

Refraction

An object with mass 100 kg stand on earth (gravity 9.8 N/kg). The weight of the objec

980 N

The force showed by Y is...

Friction

The image shows that light travel from ... to ...

air to water

Weight will change if the gravity change. Is the statement true or false?

true

Making a cake is an example of chemical change that is reversible. True or false?

False

Any material that does not allow electric current to pass through it called ....

Electrical insulator

We can see our image on a mirror because of....

reflection

Its happens because water ... than air

denser

If the surface area of an object INCREASE, the upthrust will INCREASE and the object is likely to float. Is the statement true or false?

true

When light falls on a smooth surface, all the light is refracted in one direction. Is the statement True or False

False

Boiling occurs at all temperatures, while evaporation occurs when liquid reaches a certain temperature. Is the statement true or false?

False

In REFRACTION light ray change in ... and ....

speed and direction

The force gravity showed by ... and drag showed by ...

gravity : P, Drag : S

The egg was put in a glass of vinegar. It produces some bubbles. The product of its chemical reaction is....

bubbles