Whats the matter? Q1

Make three observations, an inference and a prediction about the picture below.

Answer explanation

Example:

There are buildings, the man is on the ground, a person is wearing a red coat.

The man slipped on the ice and fell on the ground. I predict he's gonna get up.

1. Identify which of the following is a quantitative observation and which is a qualitative observation.

• The plant is 15 cm tall (quantitative), the leaves are green (qualitative)

• The plant is tall (quantitative), the leaves are 15 (qualitative)

• The plant is green (quantitative), the leaves are tall (qualitative)

• The plant is 15 cm tall (qualitative), the leaves are green (quantitative)

A student dips squares of nylon, polyester and cotton into water and then times them to see how long they dry. Based on the data table which are the best kind of socks to wear on a fishing trip are:

• Wool socks

• Nylon socks

• No-show socks

• Polyester socks

The positively charged part of the atom.

• Proton

• Neutron

• Electron

• Atom

What is an example of diatomic molecule?

• Chlorine (Cl₂)

• Water (H₂O)

• Aluminum (Al)

• Copper (Cu)

Based on the table below what factor is the independent variable?

• Temperature

• Speed of sound

• C. Neither

Based on the table below what factor is the dependent variable?

• Temperature

• Speed of sound

• C. Neither

Predict what the speed of sound will be at 75 degrees celsius.

• 376 m/s

• 600 m/s

• 750 m/s

• 200 m/s

Pseudoscience is an attitude of doubt.

• True

• False

Evan and his friends are working on a group project on matter. Michelle says that matter is anything that has mass. Ricky says matter must have mass and also be touchable. Evan thinks matter must have mass and also be visible. Leon disagrees and says that matter has both mass and takes up space. Who is correct?

• Michelle

• Ricky

• Evan

• Leon